diff --git a/Documentation/dev-plugins.txt b/Documentation/dev-plugins.txt
index 35ff40b..505d4b7 100644
--- a/Documentation/dev-plugins.txt
+++ b/Documentation/dev-plugins.txt
@@ -2734,7 +2734,7 @@
 [source, java]
 ----
 import com.google.gerrit.extensions.annotations.ExtensionPoint;
-import com.google.gerrit.server.mail.receive.MailMessage;
+import com.google.gerrit.mail.MailMessage;
 
 public class MyPlugin implements MailFilter {
   public boolean shouldProcessMessage(MailMessage message) {
diff --git a/java/com/google/gerrit/acceptance/AbstractDaemonTest.java b/java/com/google/gerrit/acceptance/AbstractDaemonTest.java
index abb28ce..36b0a65 100644
--- a/java/com/google/gerrit/acceptance/AbstractDaemonTest.java
+++ b/java/com/google/gerrit/acceptance/AbstractDaemonTest.java
@@ -68,6 +68,8 @@
 import com.google.gerrit.extensions.restapi.BinaryResult;
 import com.google.gerrit.extensions.restapi.IdString;
 import com.google.gerrit.extensions.restapi.RestApiException;
+import com.google.gerrit.mail.Address;
+import com.google.gerrit.mail.EmailHeader;
 import com.google.gerrit.reviewdb.client.Account;
 import com.google.gerrit.reviewdb.client.AccountGroup;
 import com.google.gerrit.reviewdb.client.BooleanProjectConfig;
@@ -108,8 +110,6 @@
 import com.google.gerrit.server.index.change.ChangeIndexCollection;
 import com.google.gerrit.server.index.change.ChangeIndexer;
 import com.google.gerrit.server.index.group.GroupIndexer;
-import com.google.gerrit.server.mail.Address;
-import com.google.gerrit.server.mail.send.EmailHeader;
 import com.google.gerrit.server.notedb.ChangeNoteUtil;
 import com.google.gerrit.server.notedb.ChangeNotes;
 import com.google.gerrit.server.notedb.MutableNotesMigration;
diff --git a/java/com/google/gerrit/acceptance/AbstractNotificationTest.java b/java/com/google/gerrit/acceptance/AbstractNotificationTest.java
index 2336f2f..f2d0f70 100644
--- a/java/com/google/gerrit/acceptance/AbstractNotificationTest.java
+++ b/java/com/google/gerrit/acceptance/AbstractNotificationTest.java
@@ -34,10 +34,10 @@
 import com.google.gerrit.extensions.client.GeneralPreferencesInfo.EmailStrategy;
 import com.google.gerrit.extensions.client.InheritableBoolean;
 import com.google.gerrit.extensions.client.ReviewerState;
+import com.google.gerrit.mail.Address;
+import com.google.gerrit.mail.EmailHeader;
+import com.google.gerrit.mail.EmailHeader.AddressList;
 import com.google.gerrit.server.account.ProjectWatches.NotifyType;
-import com.google.gerrit.server.mail.Address;
-import com.google.gerrit.server.mail.send.EmailHeader;
-import com.google.gerrit.server.mail.send.EmailHeader.AddressList;
 import com.google.gerrit.testing.FakeEmailSender;
 import com.google.gerrit.testing.FakeEmailSender.Message;
 import java.io.IOException;
diff --git a/java/com/google/gerrit/acceptance/BUILD b/java/com/google/gerrit/acceptance/BUILD
index 25e1d7c..efca382 100644
--- a/java/com/google/gerrit/acceptance/BUILD
+++ b/java/com/google/gerrit/acceptance/BUILD
@@ -19,6 +19,7 @@
         "//java/com/google/gerrit/index",
         "//java/com/google/gerrit/launcher",
         "//java/com/google/gerrit/lucene",
+        "//java/com/google/gerrit/mail",
         "//java/com/google/gerrit/metrics",
         "//java/com/google/gerrit/pgm",
         "//java/com/google/gerrit/pgm/init",
@@ -99,6 +100,7 @@
         "//java/com/google/gerrit/httpd",
         "//java/com/google/gerrit/index",
         "//java/com/google/gerrit/lucene",
+        "//java/com/google/gerrit/mail",
         "//java/com/google/gerrit/metrics",
         "//java/com/google/gerrit/pgm/init",
         "//java/com/google/gerrit/reviewdb:server",
diff --git a/java/com/google/gerrit/acceptance/TestAccount.java b/java/com/google/gerrit/acceptance/TestAccount.java
index 094e8b0..5ce44ff 100644
--- a/java/com/google/gerrit/acceptance/TestAccount.java
+++ b/java/com/google/gerrit/acceptance/TestAccount.java
@@ -17,8 +17,8 @@
 import static java.util.stream.Collectors.toList;
 
 import com.google.common.net.InetAddresses;
+import com.google.gerrit.mail.Address;
 import com.google.gerrit.reviewdb.client.Account;
-import com.google.gerrit.server.mail.Address;
 import java.net.InetSocketAddress;
 import java.util.Arrays;
 import java.util.List;
diff --git a/java/com/google/gerrit/server/mail/Address.java b/java/com/google/gerrit/mail/Address.java
similarity index 95%
rename from java/com/google/gerrit/server/mail/Address.java
rename to java/com/google/gerrit/mail/Address.java
index e91f3f3..24ab353 100644
--- a/java/com/google/gerrit/server/mail/Address.java
+++ b/java/com/google/gerrit/mail/Address.java
@@ -12,9 +12,9 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-package com.google.gerrit.server.mail;
+package com.google.gerrit.mail;
 
-import com.google.gerrit.server.mail.send.EmailHeader;
+import com.google.gerrit.common.Nullable;
 
 public class Address {
   public static Address parse(String in) {
@@ -50,8 +50,8 @@
     }
   }
 
-  final String name;
-  final String email;
+  @Nullable private final String name;
+  private final String email;
 
   public Address(String email) {
     this(null, email);
@@ -62,6 +62,7 @@
     this.email = email;
   }
 
+  @Nullable
   public String getName() {
     return name;
   }
diff --git a/java/com/google/gerrit/mail/BUILD b/java/com/google/gerrit/mail/BUILD
new file mode 100644
index 0000000..90bb82c
--- /dev/null
+++ b/java/com/google/gerrit/mail/BUILD
@@ -0,0 +1,18 @@
+java_library(
+    name = "mail",
+    srcs = glob(["*.java"]),
+    visibility = ["//visibility:public"],
+    deps = [
+        "//java/com/google/gerrit/common:annotations",
+        "//java/com/google/gerrit/reviewdb:server",
+        "//lib:guava",
+        "//lib/auto:auto-value",
+        "//lib/auto:auto-value-annotations",
+        "//lib/flogger:api",
+        "//lib/jsoup",
+        "//lib/log:jsonevent-layout",
+        "//lib/log:log4j",
+        "//lib/mime4j:core",
+        "//lib/mime4j:dom",
+    ],
+)
diff --git a/java/com/google/gerrit/server/mail/send/EmailHeader.java b/java/com/google/gerrit/mail/EmailHeader.java
similarity index 97%
rename from java/com/google/gerrit/server/mail/send/EmailHeader.java
rename to java/com/google/gerrit/mail/EmailHeader.java
index 29354f2..69d5fcd 100644
--- a/java/com/google/gerrit/server/mail/send/EmailHeader.java
+++ b/java/com/google/gerrit/mail/EmailHeader.java
@@ -12,12 +12,11 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-package com.google.gerrit.server.mail.send;
+package com.google.gerrit.mail;
 
 import static java.nio.charset.StandardCharsets.UTF_8;
 
 import com.google.common.base.MoreObjects;
-import com.google.gerrit.server.mail.Address;
 import java.io.IOException;
 import java.io.Writer;
 import java.text.SimpleDateFormat;
@@ -183,7 +182,7 @@
       list.add(addr);
     }
 
-    void remove(java.lang.String email) {
+    public void remove(java.lang.String email) {
       list.removeIf(address -> address.getEmail().equals(email));
     }
 
diff --git a/java/com/google/gerrit/server/mail/receive/HtmlParser.java b/java/com/google/gerrit/mail/HtmlParser.java
similarity index 98%
rename from java/com/google/gerrit/server/mail/receive/HtmlParser.java
rename to java/com/google/gerrit/mail/HtmlParser.java
index d68f076..9821599 100644
--- a/java/com/google/gerrit/server/mail/receive/HtmlParser.java
+++ b/java/com/google/gerrit/mail/HtmlParser.java
@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-package com.google.gerrit.server.mail.receive;
+package com.google.gerrit.mail;
 
 import com.google.common.base.Strings;
 import com.google.common.collect.ImmutableSet;
diff --git a/java/com/google/gerrit/server/mail/receive/MailComment.java b/java/com/google/gerrit/mail/MailComment.java
similarity index 84%
rename from java/com/google/gerrit/server/mail/receive/MailComment.java
rename to java/com/google/gerrit/mail/MailComment.java
index 8571e12..fd8198c 100644
--- a/java/com/google/gerrit/server/mail/receive/MailComment.java
+++ b/java/com/google/gerrit/mail/MailComment.java
@@ -12,14 +12,14 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-package com.google.gerrit.server.mail.receive;
+package com.google.gerrit.mail;
 
 import com.google.gerrit.reviewdb.client.Comment;
 import java.util.Objects;
 
 /** A comment parsed from inbound email */
 public class MailComment {
-  enum CommentType {
+  public enum CommentType {
     CHANGE_MESSAGE,
     FILE_COMMENT,
     INLINE_COMMENT
@@ -42,6 +42,22 @@
     this.isLink = isLink;
   }
 
+  public CommentType getType() {
+    return type;
+  }
+
+  public Comment getInReplyTo() {
+    return inReplyTo;
+  }
+
+  public String getFileName() {
+    return fileName;
+  }
+
+  public String getMessage() {
+    return message;
+  }
+
   /**
    * Checks if the provided comment concerns the same exact spot in the change. This is basically an
    * equals method except that the message is not checked.
diff --git a/java/com/google/gerrit/server/mail/MailHeader.java b/java/com/google/gerrit/mail/MailHeader.java
similarity index 97%
rename from java/com/google/gerrit/server/mail/MailHeader.java
rename to java/com/google/gerrit/mail/MailHeader.java
index cf145e5..2f31a9c 100644
--- a/java/com/google/gerrit/server/mail/MailHeader.java
+++ b/java/com/google/gerrit/mail/MailHeader.java
@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-package com.google.gerrit.server.mail;
+package com.google.gerrit.mail;
 
 /** Variables used by emails to hold data */
 public enum MailHeader {
diff --git a/java/com/google/gerrit/server/mail/receive/MailHeaderParser.java b/java/com/google/gerrit/mail/MailHeaderParser.java
similarity index 92%
rename from java/com/google/gerrit/server/mail/receive/MailHeaderParser.java
rename to java/com/google/gerrit/mail/MailHeaderParser.java
index d176095..8eb4d97 100644
--- a/java/com/google/gerrit/server/mail/receive/MailHeaderParser.java
+++ b/java/com/google/gerrit/mail/MailHeaderParser.java
@@ -12,14 +12,12 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-package com.google.gerrit.server.mail.receive;
+package com.google.gerrit.mail;
 
 import com.google.common.base.Splitter;
 import com.google.common.base.Strings;
 import com.google.common.flogger.FluentLogger;
 import com.google.common.primitives.Ints;
-import com.google.gerrit.server.mail.MailHeader;
-import com.google.gerrit.server.mail.MailUtil;
 import java.sql.Timestamp;
 import java.time.Instant;
 import java.time.format.DateTimeParseException;
@@ -44,7 +42,8 @@
       } else if (header.startsWith(MailHeader.COMMENT_DATE.fieldWithDelimiter())) {
         String ts = header.substring(MailHeader.COMMENT_DATE.fieldWithDelimiter().length()).trim();
         try {
-          metadata.timestamp = Timestamp.from(MailUtil.rfcDateformatter.parse(ts, Instant::from));
+          metadata.timestamp =
+              Timestamp.from(MailProcessingUtil.rfcDateformatter.parse(ts, Instant::from));
         } catch (DateTimeParseException e) {
           logger.atSevere().withCause(e).log(
               "Mail: Error while parsing timestamp from header of message %s", m.id());
@@ -91,7 +90,8 @@
       } else if (metadata.timestamp == null && line.contains(MailHeader.COMMENT_DATE.getName())) {
         String ts = extractFooter(MailHeader.COMMENT_DATE.withDelimiter(), line);
         try {
-          metadata.timestamp = Timestamp.from(MailUtil.rfcDateformatter.parse(ts, Instant::from));
+          metadata.timestamp =
+              Timestamp.from(MailProcessingUtil.rfcDateformatter.parse(ts, Instant::from));
         } catch (DateTimeParseException e) {
           logger.atSevere().withCause(e).log(
               "Mail: Error while parsing timestamp from footer of message %s", m.id());
diff --git a/java/com/google/gerrit/server/mail/receive/MailMessage.java b/java/com/google/gerrit/mail/MailMessage.java
similarity index 96%
rename from java/com/google/gerrit/server/mail/receive/MailMessage.java
rename to java/com/google/gerrit/mail/MailMessage.java
index 0d20464..bb83dfd 100644
--- a/java/com/google/gerrit/server/mail/receive/MailMessage.java
+++ b/java/com/google/gerrit/mail/MailMessage.java
@@ -12,12 +12,11 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-package com.google.gerrit.server.mail.receive;
+package com.google.gerrit.mail;
 
 import com.google.auto.value.AutoValue;
 import com.google.common.collect.ImmutableList;
 import com.google.gerrit.common.Nullable;
-import com.google.gerrit.server.mail.Address;
 import java.time.Instant;
 
 /**
diff --git a/java/com/google/gerrit/server/mail/receive/MailMetadata.java b/java/com/google/gerrit/mail/MailMetadata.java
similarity index 96%
rename from java/com/google/gerrit/server/mail/receive/MailMetadata.java
rename to java/com/google/gerrit/mail/MailMetadata.java
index 04c2add..a311461 100644
--- a/java/com/google/gerrit/server/mail/receive/MailMetadata.java
+++ b/java/com/google/gerrit/mail/MailMetadata.java
@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-package com.google.gerrit.server.mail.receive;
+package com.google.gerrit.mail;
 
 import com.google.common.base.MoreObjects;
 import java.sql.Timestamp;
diff --git a/java/com/google/gerrit/server/mail/receive/MailParsingException.java b/java/com/google/gerrit/mail/MailParsingException.java
similarity index 94%
rename from java/com/google/gerrit/server/mail/receive/MailParsingException.java
rename to java/com/google/gerrit/mail/MailParsingException.java
index b91bb18..7e85a27 100644
--- a/java/com/google/gerrit/server/mail/receive/MailParsingException.java
+++ b/java/com/google/gerrit/mail/MailParsingException.java
@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-package com.google.gerrit.server.mail.receive;
+package com.google.gerrit.mail;
 
 /** An {@link Exception} indicating that an email could not be parsed. */
 public class MailParsingException extends Exception {
diff --git a/java/com/google/gerrit/mail/MailProcessingUtil.java b/java/com/google/gerrit/mail/MailProcessingUtil.java
new file mode 100644
index 0000000..b63189a
--- /dev/null
+++ b/java/com/google/gerrit/mail/MailProcessingUtil.java
@@ -0,0 +1,23 @@
+// Copyright (C) 2018 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package com.google.gerrit.mail;
+
+import java.time.format.DateTimeFormatter;
+
+public class MailProcessingUtil {
+
+  public static DateTimeFormatter rfcDateformatter =
+      DateTimeFormatter.ofPattern("EEE, dd MMM yyyy HH:mm:ss ZZZ");
+}
diff --git a/java/com/google/gerrit/server/mail/receive/ParserUtil.java b/java/com/google/gerrit/mail/ParserUtil.java
similarity index 98%
rename from java/com/google/gerrit/server/mail/receive/ParserUtil.java
rename to java/com/google/gerrit/mail/ParserUtil.java
index e770a3e..6a27ac4 100644
--- a/java/com/google/gerrit/server/mail/receive/ParserUtil.java
+++ b/java/com/google/gerrit/mail/ParserUtil.java
@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-package com.google.gerrit.server.mail.receive;
+package com.google.gerrit.mail;
 
 import com.google.common.base.Splitter;
 import com.google.common.collect.Iterables;
diff --git a/java/com/google/gerrit/server/mail/receive/RawMailParser.java b/java/com/google/gerrit/mail/RawMailParser.java
similarity index 98%
rename from java/com/google/gerrit/server/mail/receive/RawMailParser.java
rename to java/com/google/gerrit/mail/RawMailParser.java
index 57fe21f..00754d3 100644
--- a/java/com/google/gerrit/server/mail/receive/RawMailParser.java
+++ b/java/com/google/gerrit/mail/RawMailParser.java
@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-package com.google.gerrit.server.mail.receive;
+package com.google.gerrit.mail;
 
 import static java.nio.charset.StandardCharsets.UTF_8;
 
@@ -21,7 +21,6 @@
 import com.google.common.collect.ImmutableSet;
 import com.google.common.io.CharStreams;
 import com.google.common.primitives.Ints;
-import com.google.gerrit.server.mail.Address;
 import java.io.ByteArrayInputStream;
 import java.io.IOException;
 import java.io.InputStreamReader;
diff --git a/java/com/google/gerrit/server/mail/receive/TextParser.java b/java/com/google/gerrit/mail/TextParser.java
similarity index 98%
rename from java/com/google/gerrit/server/mail/receive/TextParser.java
rename to java/com/google/gerrit/mail/TextParser.java
index b99c608..1a63599 100644
--- a/java/com/google/gerrit/server/mail/receive/TextParser.java
+++ b/java/com/google/gerrit/mail/TextParser.java
@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-package com.google.gerrit.server.mail.receive;
+package com.google.gerrit.mail;
 
 import com.google.common.base.Splitter;
 import com.google.common.base.Strings;
diff --git a/java/com/google/gerrit/server/BUILD b/java/com/google/gerrit/server/BUILD
index 280a467..a67cccb 100644
--- a/java/com/google/gerrit/server/BUILD
+++ b/java/com/google/gerrit/server/BUILD
@@ -36,6 +36,7 @@
         "//java/com/google/gerrit/index:query_exception",
         "//java/com/google/gerrit/index/project",
         "//java/com/google/gerrit/lifecycle",
+        "//java/com/google/gerrit/mail",
         "//java/com/google/gerrit/metrics",
         "//java/com/google/gerrit/prettify:server",
         "//java/com/google/gerrit/reviewdb:server",
diff --git a/java/com/google/gerrit/server/ReviewerByEmailSet.java b/java/com/google/gerrit/server/ReviewerByEmailSet.java
index c16c9c8..caae45e 100644
--- a/java/com/google/gerrit/server/ReviewerByEmailSet.java
+++ b/java/com/google/gerrit/server/ReviewerByEmailSet.java
@@ -17,7 +17,7 @@
 import com.google.common.collect.ImmutableSet;
 import com.google.common.collect.ImmutableTable;
 import com.google.common.collect.Table;
-import com.google.gerrit.server.mail.Address;
+import com.google.gerrit.mail.Address;
 import com.google.gerrit.server.notedb.ReviewerStateInternal;
 import java.sql.Timestamp;
 
diff --git a/java/com/google/gerrit/server/change/ChangeJson.java b/java/com/google/gerrit/server/change/ChangeJson.java
index 2d69f7b..04b649b 100644
--- a/java/com/google/gerrit/server/change/ChangeJson.java
+++ b/java/com/google/gerrit/server/change/ChangeJson.java
@@ -91,6 +91,7 @@
 import com.google.gerrit.extensions.restapi.AuthException;
 import com.google.gerrit.extensions.restapi.Url;
 import com.google.gerrit.index.query.QueryResult;
+import com.google.gerrit.mail.Address;
 import com.google.gerrit.metrics.Description;
 import com.google.gerrit.metrics.Description.Units;
 import com.google.gerrit.metrics.MetricMaker;
@@ -123,7 +124,6 @@
 import com.google.gerrit.server.git.GitRepositoryManager;
 import com.google.gerrit.server.git.MergeUtil;
 import com.google.gerrit.server.index.change.ChangeField;
-import com.google.gerrit.server.mail.Address;
 import com.google.gerrit.server.notedb.ChangeNotes;
 import com.google.gerrit.server.notedb.ReviewerStateInternal;
 import com.google.gerrit.server.patch.PatchListNotAvailableException;
diff --git a/java/com/google/gerrit/server/change/ReviewerResource.java b/java/com/google/gerrit/server/change/ReviewerResource.java
index 778897e..52f3585 100644
--- a/java/com/google/gerrit/server/change/ReviewerResource.java
+++ b/java/com/google/gerrit/server/change/ReviewerResource.java
@@ -19,10 +19,10 @@
 import com.google.gerrit.common.Nullable;
 import com.google.gerrit.extensions.restapi.RestResource;
 import com.google.gerrit.extensions.restapi.RestView;
+import com.google.gerrit.mail.Address;
 import com.google.gerrit.reviewdb.client.Account;
 import com.google.gerrit.reviewdb.client.Change;
 import com.google.gerrit.server.IdentifiedUser;
-import com.google.gerrit.server.mail.Address;
 import com.google.inject.TypeLiteral;
 import com.google.inject.assistedinject.Assisted;
 import com.google.inject.assistedinject.AssistedInject;
diff --git a/java/com/google/gerrit/server/git/NotifyConfig.java b/java/com/google/gerrit/server/git/NotifyConfig.java
index d2d3a39..d39cf12 100644
--- a/java/com/google/gerrit/server/git/NotifyConfig.java
+++ b/java/com/google/gerrit/server/git/NotifyConfig.java
@@ -16,8 +16,8 @@
 
 import com.google.common.base.Strings;
 import com.google.gerrit.common.data.GroupReference;
+import com.google.gerrit.mail.Address;
 import com.google.gerrit.server.account.ProjectWatches.NotifyType;
-import com.google.gerrit.server.mail.Address;
 import java.util.EnumSet;
 import java.util.HashSet;
 import java.util.Set;
diff --git a/java/com/google/gerrit/server/index/change/ChangeField.java b/java/com/google/gerrit/server/index/change/ChangeField.java
index 405e6fc..3375ce7 100644
--- a/java/com/google/gerrit/server/index/change/ChangeField.java
+++ b/java/com/google/gerrit/server/index/change/ChangeField.java
@@ -44,6 +44,7 @@
 import com.google.gerrit.common.data.SubmitRequirement;
 import com.google.gerrit.index.FieldDef;
 import com.google.gerrit.index.SchemaUtil;
+import com.google.gerrit.mail.Address;
 import com.google.gerrit.reviewdb.client.Account;
 import com.google.gerrit.reviewdb.client.Change;
 import com.google.gerrit.reviewdb.client.ChangeMessage;
@@ -58,7 +59,6 @@
 import com.google.gerrit.server.config.AllUsersName;
 import com.google.gerrit.server.index.RefState;
 import com.google.gerrit.server.index.change.StalenessChecker.RefStatePattern;
-import com.google.gerrit.server.mail.Address;
 import com.google.gerrit.server.notedb.ChangeNotes;
 import com.google.gerrit.server.notedb.NoteDbChangeState.PrimaryStorage;
 import com.google.gerrit.server.notedb.ReviewerStateInternal;
diff --git a/java/com/google/gerrit/server/mail/AutoReplyMailFilter.java b/java/com/google/gerrit/server/mail/AutoReplyMailFilter.java
index 9032932..e18fd42 100644
--- a/java/com/google/gerrit/server/mail/AutoReplyMailFilter.java
+++ b/java/com/google/gerrit/server/mail/AutoReplyMailFilter.java
@@ -15,7 +15,8 @@
 package com.google.gerrit.server.mail;
 
 import com.google.common.flogger.FluentLogger;
-import com.google.gerrit.server.mail.receive.MailMessage;
+import com.google.gerrit.mail.MailHeader;
+import com.google.gerrit.mail.MailMessage;
 import com.google.inject.Singleton;
 
 /** Filters out auto-reply messages according to RFC 3834. */
diff --git a/java/com/google/gerrit/server/mail/ListMailFilter.java b/java/com/google/gerrit/server/mail/ListMailFilter.java
index 5a41c77..eee8c60 100644
--- a/java/com/google/gerrit/server/mail/ListMailFilter.java
+++ b/java/com/google/gerrit/server/mail/ListMailFilter.java
@@ -17,8 +17,8 @@
 import static java.util.stream.Collectors.joining;
 
 import com.google.common.flogger.FluentLogger;
+import com.google.gerrit.mail.MailMessage;
 import com.google.gerrit.server.config.GerritServerConfig;
-import com.google.gerrit.server.mail.receive.MailMessage;
 import com.google.inject.Inject;
 import com.google.inject.Singleton;
 import java.util.Arrays;
@@ -52,7 +52,7 @@
       return true;
     }
 
-    boolean match = mailPattern.matcher(message.from().email).find();
+    boolean match = mailPattern.matcher(message.from().getEmail()).find();
     if (mode == ListFilterMode.WHITELIST && !match || mode == ListFilterMode.BLACKLIST && match) {
       logger.atInfo().log("Mail message from %s rejected by list filter", message.from());
       return false;
diff --git a/java/com/google/gerrit/server/mail/MailFilter.java b/java/com/google/gerrit/server/mail/MailFilter.java
index d50064d..5fff8a3 100644
--- a/java/com/google/gerrit/server/mail/MailFilter.java
+++ b/java/com/google/gerrit/server/mail/MailFilter.java
@@ -15,7 +15,7 @@
 package com.google.gerrit.server.mail;
 
 import com.google.gerrit.extensions.annotations.ExtensionPoint;
-import com.google.gerrit.server.mail.receive.MailMessage;
+import com.google.gerrit.mail.MailMessage;
 
 /**
  * Listener to filter incoming email.
diff --git a/java/com/google/gerrit/server/mail/MailUtil.java b/java/com/google/gerrit/server/mail/MailUtil.java
index 0487cc0..507b53f 100644
--- a/java/com/google/gerrit/server/mail/MailUtil.java
+++ b/java/com/google/gerrit/server/mail/MailUtil.java
@@ -24,7 +24,6 @@
 import com.google.gerrit.server.account.AccountResolver;
 import com.google.gwtorm.server.OrmException;
 import java.io.IOException;
-import java.time.format.DateTimeFormatter;
 import java.util.Collections;
 import java.util.HashSet;
 import java.util.List;
@@ -34,8 +33,6 @@
 import org.eclipse.jgit.revwalk.FooterLine;
 
 public class MailUtil {
-  public static DateTimeFormatter rfcDateformatter =
-      DateTimeFormatter.ofPattern("EEE, dd MMM yyyy HH:mm:ss ZZZ");
 
   public static MailRecipients getRecipientsFromFooters(
       AccountResolver accountResolver, List<FooterLine> footerLines)
diff --git a/java/com/google/gerrit/server/mail/receive/ImapMailReceiver.java b/java/com/google/gerrit/server/mail/receive/ImapMailReceiver.java
index 169b41e..648006d 100644
--- a/java/com/google/gerrit/server/mail/receive/ImapMailReceiver.java
+++ b/java/com/google/gerrit/server/mail/receive/ImapMailReceiver.java
@@ -15,6 +15,9 @@
 package com.google.gerrit.server.mail.receive;
 
 import com.google.common.flogger.FluentLogger;
+import com.google.gerrit.mail.MailMessage;
+import com.google.gerrit.mail.MailParsingException;
+import com.google.gerrit.mail.RawMailParser;
 import com.google.gerrit.server.git.WorkQueue;
 import com.google.gerrit.server.mail.EmailSettings;
 import com.google.gerrit.server.mail.Encryption;
diff --git a/java/com/google/gerrit/server/mail/receive/MailProcessor.java b/java/com/google/gerrit/server/mail/receive/MailProcessor.java
index bf76bde..75053c8 100644
--- a/java/com/google/gerrit/server/mail/receive/MailProcessor.java
+++ b/java/com/google/gerrit/server/mail/receive/MailProcessor.java
@@ -26,6 +26,12 @@
 import com.google.gerrit.extensions.registration.DynamicMap;
 import com.google.gerrit.extensions.restapi.RestApiException;
 import com.google.gerrit.extensions.restapi.UnprocessableEntityException;
+import com.google.gerrit.mail.HtmlParser;
+import com.google.gerrit.mail.MailComment;
+import com.google.gerrit.mail.MailHeaderParser;
+import com.google.gerrit.mail.MailMessage;
+import com.google.gerrit.mail.MailMetadata;
+import com.google.gerrit.mail.TextParser;
 import com.google.gerrit.reviewdb.client.Account;
 import com.google.gerrit.reviewdb.client.Change;
 import com.google.gerrit.reviewdb.client.ChangeMessage;
@@ -283,7 +289,7 @@
 
       comments = new ArrayList<>();
       for (MailComment c : parsedComments) {
-        if (c.type == MailComment.CommentType.CHANGE_MESSAGE) {
+        if (c.getType() == MailComment.CommentType.CHANGE_MESSAGE) {
           continue;
         }
         comments.add(
@@ -301,8 +307,8 @@
     @Override
     public void postUpdate(Context ctx) throws Exception {
       String patchSetComment = null;
-      if (parsedComments.get(0).type == MailComment.CommentType.CHANGE_MESSAGE) {
-        patchSetComment = parsedComments.get(0).message;
+      if (parsedComments.get(0).getType() == MailComment.CommentType.CHANGE_MESSAGE) {
+        patchSetComment = parsedComments.get(0).getMessage();
       }
       // Send email notifications
       outgoingMailFactory
@@ -342,12 +348,12 @@
 
     private ChangeMessage generateChangeMessage(ChangeContext ctx) {
       String changeMsg = "Patch Set " + psId.get() + ":";
-      if (parsedComments.get(0).type == MailComment.CommentType.CHANGE_MESSAGE) {
+      if (parsedComments.get(0).getType() == MailComment.CommentType.CHANGE_MESSAGE) {
         // Add a blank line after Patch Set to follow the default format
         if (parsedComments.size() > 1) {
           changeMsg += "\n\n" + numComments(parsedComments.size() - 1);
         }
-        changeMsg += "\n\n" + parsedComments.get(0).message;
+        changeMsg += "\n\n" + parsedComments.get(0).getMessage();
       } else {
         changeMsg += "\n\n" + numComments(parsedComments.size());
       }
@@ -356,11 +362,11 @@
 
     private PatchSet targetPatchSetForComment(
         ChangeContext ctx, MailComment mailComment, PatchSet current) throws OrmException {
-      if (mailComment.inReplyTo != null) {
+      if (mailComment.getInReplyTo() != null) {
         return psUtil.get(
             ctx.getDb(),
             ctx.getNotes(),
-            new PatchSet.Id(ctx.getChange().getId(), mailComment.inReplyTo.key.patchSetId));
+            new PatchSet.Id(ctx.getChange().getId(), mailComment.getInReplyTo().key.patchSetId));
       }
       return current;
     }
@@ -372,11 +378,11 @@
       // The patch set that this comment is based on is different if this
       // comment was sent in reply to a comment on a previous patch set.
       Side side;
-      if (mailComment.inReplyTo != null) {
-        fileName = mailComment.inReplyTo.key.filename;
-        side = Side.fromShort(mailComment.inReplyTo.side);
+      if (mailComment.getInReplyTo() != null) {
+        fileName = mailComment.getInReplyTo().key.filename;
+        side = Side.fromShort(mailComment.getInReplyTo().side);
       } else {
-        fileName = mailComment.fileName;
+        fileName = mailComment.getFileName();
         side = Side.REVISION;
       }
 
@@ -386,16 +392,16 @@
               fileName,
               patchSetForComment.getId(),
               (short) side.ordinal(),
-              mailComment.message,
+              mailComment.getMessage(),
               false,
               null);
 
       comment.tag = tag;
-      if (mailComment.inReplyTo != null) {
-        comment.parentUuid = mailComment.inReplyTo.key.uuid;
-        comment.lineNbr = mailComment.inReplyTo.lineNbr;
-        comment.range = mailComment.inReplyTo.range;
-        comment.unresolved = mailComment.inReplyTo.unresolved;
+      if (mailComment.getInReplyTo() != null) {
+        comment.parentUuid = mailComment.getInReplyTo().key.uuid;
+        comment.lineNbr = mailComment.getInReplyTo().lineNbr;
+        comment.range = mailComment.getInReplyTo().range;
+        comment.unresolved = mailComment.getInReplyTo().unresolved;
       }
       CommentsUtil.setCommentRevId(comment, patchListCache, ctx.getChange(), patchSetForComment);
       return comment;
diff --git a/java/com/google/gerrit/server/mail/receive/MailReceiver.java b/java/com/google/gerrit/server/mail/receive/MailReceiver.java
index e4ad969..dc99b46 100644
--- a/java/com/google/gerrit/server/mail/receive/MailReceiver.java
+++ b/java/com/google/gerrit/server/mail/receive/MailReceiver.java
@@ -19,6 +19,7 @@
 import com.google.gerrit.extensions.events.LifecycleListener;
 import com.google.gerrit.extensions.restapi.RestApiException;
 import com.google.gerrit.lifecycle.LifecycleModule;
+import com.google.gerrit.mail.MailMessage;
 import com.google.gerrit.server.git.WorkQueue;
 import com.google.gerrit.server.mail.EmailSettings;
 import com.google.gerrit.server.update.UpdateException;
diff --git a/java/com/google/gerrit/server/mail/receive/Pop3MailReceiver.java b/java/com/google/gerrit/server/mail/receive/Pop3MailReceiver.java
index a3ea265..54971c4 100644
--- a/java/com/google/gerrit/server/mail/receive/Pop3MailReceiver.java
+++ b/java/com/google/gerrit/server/mail/receive/Pop3MailReceiver.java
@@ -16,6 +16,9 @@
 
 import com.google.common.flogger.FluentLogger;
 import com.google.common.primitives.Ints;
+import com.google.gerrit.mail.MailMessage;
+import com.google.gerrit.mail.MailParsingException;
+import com.google.gerrit.mail.RawMailParser;
 import com.google.gerrit.server.git.WorkQueue;
 import com.google.gerrit.server.mail.EmailSettings;
 import com.google.gerrit.server.mail.Encryption;
diff --git a/java/com/google/gerrit/server/mail/send/AddKeySender.java b/java/com/google/gerrit/server/mail/send/AddKeySender.java
index ae8ac31..433bd9b 100644
--- a/java/com/google/gerrit/server/mail/send/AddKeySender.java
+++ b/java/com/google/gerrit/server/mail/send/AddKeySender.java
@@ -18,9 +18,9 @@
 import com.google.gerrit.common.errors.EmailException;
 import com.google.gerrit.extensions.api.changes.RecipientType;
 import com.google.gerrit.extensions.restapi.AuthException;
+import com.google.gerrit.mail.Address;
 import com.google.gerrit.server.IdentifiedUser;
 import com.google.gerrit.server.account.AccountSshKey;
-import com.google.gerrit.server.mail.Address;
 import com.google.gerrit.server.permissions.GlobalPermission;
 import com.google.gerrit.server.permissions.PermissionBackend;
 import com.google.gerrit.server.permissions.PermissionBackendException;
diff --git a/java/com/google/gerrit/server/mail/send/ChangeEmail.java b/java/com/google/gerrit/server/mail/send/ChangeEmail.java
index 95ecbba..00a496a2 100644
--- a/java/com/google/gerrit/server/mail/send/ChangeEmail.java
+++ b/java/com/google/gerrit/server/mail/send/ChangeEmail.java
@@ -21,6 +21,7 @@
 import com.google.gerrit.extensions.api.changes.NotifyHandling;
 import com.google.gerrit.extensions.api.changes.RecipientType;
 import com.google.gerrit.extensions.restapi.AuthException;
+import com.google.gerrit.mail.MailHeader;
 import com.google.gerrit.reviewdb.client.Account;
 import com.google.gerrit.reviewdb.client.AccountGroup;
 import com.google.gerrit.reviewdb.client.Change;
@@ -30,7 +31,6 @@
 import com.google.gerrit.reviewdb.client.Project;
 import com.google.gerrit.server.StarredChangesUtil;
 import com.google.gerrit.server.account.ProjectWatches.NotifyType;
-import com.google.gerrit.server.mail.MailHeader;
 import com.google.gerrit.server.mail.send.ProjectWatch.Watchers;
 import com.google.gerrit.server.notedb.ReviewerStateInternal;
 import com.google.gerrit.server.patch.PatchList;
diff --git a/java/com/google/gerrit/server/mail/send/CommentSender.java b/java/com/google/gerrit/server/mail/send/CommentSender.java
index 0095fc1..54176e2 100644
--- a/java/com/google/gerrit/server/mail/send/CommentSender.java
+++ b/java/com/google/gerrit/server/mail/send/CommentSender.java
@@ -23,6 +23,8 @@
 import com.google.gerrit.common.errors.EmailException;
 import com.google.gerrit.common.errors.NoSuchEntityException;
 import com.google.gerrit.extensions.api.changes.NotifyHandling;
+import com.google.gerrit.mail.MailHeader;
+import com.google.gerrit.mail.MailProcessingUtil;
 import com.google.gerrit.reviewdb.client.Account;
 import com.google.gerrit.reviewdb.client.Change;
 import com.google.gerrit.reviewdb.client.Comment;
@@ -32,8 +34,6 @@
 import com.google.gerrit.server.CommentsUtil;
 import com.google.gerrit.server.account.ProjectWatches.NotifyType;
 import com.google.gerrit.server.config.GerritServerConfig;
-import com.google.gerrit.server.mail.MailHeader;
-import com.google.gerrit.server.mail.MailUtil;
 import com.google.gerrit.server.mail.receive.Protocol;
 import com.google.gerrit.server.patch.PatchFile;
 import com.google.gerrit.server.patch.PatchList;
@@ -566,7 +566,7 @@
 
   private String getCommentTimestamp() {
     // Grouping is currently done by timestamp.
-    return MailUtil.rfcDateformatter.format(
+    return MailProcessingUtil.rfcDateformatter.format(
         ZonedDateTime.ofInstant(timestamp.toInstant(), ZoneId.of("UTC")));
   }
 
diff --git a/java/com/google/gerrit/server/mail/send/DeleteReviewerSender.java b/java/com/google/gerrit/server/mail/send/DeleteReviewerSender.java
index c434d06..576d506 100644
--- a/java/com/google/gerrit/server/mail/send/DeleteReviewerSender.java
+++ b/java/com/google/gerrit/server/mail/send/DeleteReviewerSender.java
@@ -16,11 +16,11 @@
 
 import com.google.gerrit.common.errors.EmailException;
 import com.google.gerrit.extensions.api.changes.RecipientType;
+import com.google.gerrit.mail.Address;
 import com.google.gerrit.reviewdb.client.Account;
 import com.google.gerrit.reviewdb.client.Change;
 import com.google.gerrit.reviewdb.client.Project;
 import com.google.gerrit.server.account.ProjectWatches.NotifyType;
-import com.google.gerrit.server.mail.Address;
 import com.google.gwtorm.server.OrmException;
 import com.google.inject.Inject;
 import com.google.inject.assistedinject.Assisted;
diff --git a/java/com/google/gerrit/server/mail/send/EmailSender.java b/java/com/google/gerrit/server/mail/send/EmailSender.java
index 23fa1fe..ce4964d 100644
--- a/java/com/google/gerrit/server/mail/send/EmailSender.java
+++ b/java/com/google/gerrit/server/mail/send/EmailSender.java
@@ -16,7 +16,8 @@
 
 import com.google.gerrit.common.Nullable;
 import com.google.gerrit.common.errors.EmailException;
-import com.google.gerrit.server.mail.Address;
+import com.google.gerrit.mail.Address;
+import com.google.gerrit.mail.EmailHeader;
 import java.util.Collection;
 import java.util.Map;
 
diff --git a/java/com/google/gerrit/server/mail/send/FromAddressGenerator.java b/java/com/google/gerrit/server/mail/send/FromAddressGenerator.java
index 2489063..5baabe9 100644
--- a/java/com/google/gerrit/server/mail/send/FromAddressGenerator.java
+++ b/java/com/google/gerrit/server/mail/send/FromAddressGenerator.java
@@ -14,8 +14,8 @@
 
 package com.google.gerrit.server.mail.send;
 
+import com.google.gerrit.mail.Address;
 import com.google.gerrit.reviewdb.client.Account;
-import com.google.gerrit.server.mail.Address;
 
 /** Constructs an address to send email from. */
 public interface FromAddressGenerator {
diff --git a/java/com/google/gerrit/server/mail/send/FromAddressGeneratorProvider.java b/java/com/google/gerrit/server/mail/send/FromAddressGeneratorProvider.java
index 500eef3..b77909e 100644
--- a/java/com/google/gerrit/server/mail/send/FromAddressGeneratorProvider.java
+++ b/java/com/google/gerrit/server/mail/send/FromAddressGeneratorProvider.java
@@ -17,13 +17,13 @@
 import static java.nio.charset.StandardCharsets.UTF_8;
 
 import com.google.gerrit.common.data.ParameterizedString;
+import com.google.gerrit.mail.Address;
 import com.google.gerrit.reviewdb.client.Account;
 import com.google.gerrit.server.GerritPersonIdent;
 import com.google.gerrit.server.account.AccountCache;
 import com.google.gerrit.server.account.AccountState;
 import com.google.gerrit.server.config.AnonymousCowardName;
 import com.google.gerrit.server.config.GerritServerConfig;
-import com.google.gerrit.server.mail.Address;
 import com.google.gerrit.server.mail.MailUtil;
 import com.google.inject.Inject;
 import com.google.inject.Provider;
diff --git a/java/com/google/gerrit/server/mail/send/InboundEmailRejectionSender.java b/java/com/google/gerrit/server/mail/send/InboundEmailRejectionSender.java
index 5143dc7..65ce128 100644
--- a/java/com/google/gerrit/server/mail/send/InboundEmailRejectionSender.java
+++ b/java/com/google/gerrit/server/mail/send/InboundEmailRejectionSender.java
@@ -18,8 +18,8 @@
 
 import com.google.gerrit.common.errors.EmailException;
 import com.google.gerrit.extensions.api.changes.RecipientType;
-import com.google.gerrit.server.mail.Address;
-import com.google.gerrit.server.mail.MailHeader;
+import com.google.gerrit.mail.Address;
+import com.google.gerrit.mail.MailHeader;
 import com.google.inject.Inject;
 import com.google.inject.assistedinject.Assisted;
 import org.apache.james.mime4j.dom.field.FieldName;
diff --git a/java/com/google/gerrit/server/mail/send/NewChangeSender.java b/java/com/google/gerrit/server/mail/send/NewChangeSender.java
index 9f94fa3..f94f1ca 100644
--- a/java/com/google/gerrit/server/mail/send/NewChangeSender.java
+++ b/java/com/google/gerrit/server/mail/send/NewChangeSender.java
@@ -16,8 +16,8 @@
 
 import com.google.gerrit.common.errors.EmailException;
 import com.google.gerrit.extensions.api.changes.RecipientType;
+import com.google.gerrit.mail.Address;
 import com.google.gerrit.reviewdb.client.Account;
-import com.google.gerrit.server.mail.Address;
 import com.google.gerrit.server.query.change.ChangeData;
 import com.google.gwtorm.server.OrmException;
 import java.util.ArrayList;
diff --git a/java/com/google/gerrit/server/mail/send/NotificationEmail.java b/java/com/google/gerrit/server/mail/send/NotificationEmail.java
index 0cc7a1d..032bcbf 100644
--- a/java/com/google/gerrit/server/mail/send/NotificationEmail.java
+++ b/java/com/google/gerrit/server/mail/send/NotificationEmail.java
@@ -19,11 +19,11 @@
 import com.google.common.flogger.FluentLogger;
 import com.google.gerrit.common.errors.EmailException;
 import com.google.gerrit.extensions.api.changes.RecipientType;
+import com.google.gerrit.mail.Address;
+import com.google.gerrit.mail.MailHeader;
 import com.google.gerrit.reviewdb.client.Account;
 import com.google.gerrit.reviewdb.client.Branch;
 import com.google.gerrit.server.account.ProjectWatches.NotifyType;
-import com.google.gerrit.server.mail.Address;
-import com.google.gerrit.server.mail.MailHeader;
 import com.google.gerrit.server.mail.send.ProjectWatch.Watchers;
 import com.google.gwtorm.server.OrmException;
 import java.util.HashMap;
diff --git a/java/com/google/gerrit/server/mail/send/OutgoingEmail.java b/java/com/google/gerrit/server/mail/send/OutgoingEmail.java
index 0612237..fe9b446 100644
--- a/java/com/google/gerrit/server/mail/send/OutgoingEmail.java
+++ b/java/com/google/gerrit/server/mail/send/OutgoingEmail.java
@@ -26,12 +26,13 @@
 import com.google.gerrit.extensions.api.changes.RecipientType;
 import com.google.gerrit.extensions.client.GeneralPreferencesInfo;
 import com.google.gerrit.extensions.client.GeneralPreferencesInfo.EmailFormat;
+import com.google.gerrit.mail.Address;
+import com.google.gerrit.mail.EmailHeader;
+import com.google.gerrit.mail.EmailHeader.AddressList;
+import com.google.gerrit.mail.MailHeader;
 import com.google.gerrit.reviewdb.client.Account;
 import com.google.gerrit.reviewdb.client.UserIdentity;
 import com.google.gerrit.server.account.AccountState;
-import com.google.gerrit.server.mail.Address;
-import com.google.gerrit.server.mail.MailHeader;
-import com.google.gerrit.server.mail.send.EmailHeader.AddressList;
 import com.google.gerrit.server.permissions.PermissionBackendException;
 import com.google.gerrit.server.validators.OutgoingEmailValidationListener;
 import com.google.gerrit.server.validators.ValidationException;
diff --git a/java/com/google/gerrit/server/mail/send/ProjectWatch.java b/java/com/google/gerrit/server/mail/send/ProjectWatch.java
index 15197ef..9a86fdb 100644
--- a/java/com/google/gerrit/server/mail/send/ProjectWatch.java
+++ b/java/com/google/gerrit/server/mail/send/ProjectWatch.java
@@ -21,6 +21,7 @@
 import com.google.gerrit.common.data.GroupReference;
 import com.google.gerrit.index.query.Predicate;
 import com.google.gerrit.index.query.QueryParseException;
+import com.google.gerrit.mail.Address;
 import com.google.gerrit.reviewdb.client.Account;
 import com.google.gerrit.reviewdb.client.AccountGroup;
 import com.google.gerrit.reviewdb.client.Project;
@@ -30,7 +31,6 @@
 import com.google.gerrit.server.account.ProjectWatches.NotifyType;
 import com.google.gerrit.server.account.ProjectWatches.ProjectWatchKey;
 import com.google.gerrit.server.git.NotifyConfig;
-import com.google.gerrit.server.mail.Address;
 import com.google.gerrit.server.project.ProjectState;
 import com.google.gerrit.server.query.change.ChangeData;
 import com.google.gerrit.server.query.change.ChangeQueryBuilder;
diff --git a/java/com/google/gerrit/server/mail/send/RegisterNewEmailSender.java b/java/com/google/gerrit/server/mail/send/RegisterNewEmailSender.java
index c667026..0dbfb60 100644
--- a/java/com/google/gerrit/server/mail/send/RegisterNewEmailSender.java
+++ b/java/com/google/gerrit/server/mail/send/RegisterNewEmailSender.java
@@ -18,8 +18,8 @@
 
 import com.google.gerrit.common.errors.EmailException;
 import com.google.gerrit.extensions.api.changes.RecipientType;
+import com.google.gerrit.mail.Address;
 import com.google.gerrit.server.IdentifiedUser;
-import com.google.gerrit.server.mail.Address;
 import com.google.gerrit.server.mail.EmailTokenVerifier;
 import com.google.inject.Inject;
 import com.google.inject.assistedinject.Assisted;
diff --git a/java/com/google/gerrit/server/mail/send/SmtpEmailSender.java b/java/com/google/gerrit/server/mail/send/SmtpEmailSender.java
index 10e8b0b..2262b5c 100644
--- a/java/com/google/gerrit/server/mail/send/SmtpEmailSender.java
+++ b/java/com/google/gerrit/server/mail/send/SmtpEmailSender.java
@@ -22,9 +22,10 @@
 import com.google.gerrit.common.TimeUtil;
 import com.google.gerrit.common.Version;
 import com.google.gerrit.common.errors.EmailException;
+import com.google.gerrit.mail.Address;
+import com.google.gerrit.mail.EmailHeader;
 import com.google.gerrit.server.config.ConfigUtil;
 import com.google.gerrit.server.config.GerritServerConfig;
-import com.google.gerrit.server.mail.Address;
 import com.google.gerrit.server.mail.Encryption;
 import com.google.inject.AbstractModule;
 import com.google.inject.Inject;
diff --git a/java/com/google/gerrit/server/notedb/ChangeNotesParser.java b/java/com/google/gerrit/server/notedb/ChangeNotesParser.java
index 5f2593b..5810c64 100644
--- a/java/com/google/gerrit/server/notedb/ChangeNotesParser.java
+++ b/java/com/google/gerrit/server/notedb/ChangeNotesParser.java
@@ -55,6 +55,7 @@
 import com.google.common.primitives.Ints;
 import com.google.gerrit.common.data.LabelType;
 import com.google.gerrit.common.data.SubmitRecord;
+import com.google.gerrit.mail.Address;
 import com.google.gerrit.metrics.Timer1;
 import com.google.gerrit.reviewdb.client.Account;
 import com.google.gerrit.reviewdb.client.Change;
@@ -70,7 +71,6 @@
 import com.google.gerrit.server.ReviewerByEmailSet;
 import com.google.gerrit.server.ReviewerSet;
 import com.google.gerrit.server.ReviewerStatusUpdate;
-import com.google.gerrit.server.mail.Address;
 import com.google.gerrit.server.notedb.ChangeNotesCommit.ChangeNotesRevWalk;
 import com.google.gerrit.server.util.LabelVote;
 import java.io.IOException;
diff --git a/java/com/google/gerrit/server/notedb/ChangeNotesState.java b/java/com/google/gerrit/server/notedb/ChangeNotesState.java
index 3eb06b2..3543202 100644
--- a/java/com/google/gerrit/server/notedb/ChangeNotesState.java
+++ b/java/com/google/gerrit/server/notedb/ChangeNotesState.java
@@ -39,6 +39,7 @@
 import com.google.common.collect.Table;
 import com.google.gerrit.common.Nullable;
 import com.google.gerrit.common.data.SubmitRecord;
+import com.google.gerrit.mail.Address;
 import com.google.gerrit.reviewdb.client.Account;
 import com.google.gerrit.reviewdb.client.Branch;
 import com.google.gerrit.reviewdb.client.Change;
@@ -61,7 +62,6 @@
 import com.google.gerrit.server.cache.proto.Cache.ChangeNotesStateProto.ReviewerSetEntryProto;
 import com.google.gerrit.server.cache.proto.Cache.ChangeNotesStateProto.ReviewerStatusUpdateProto;
 import com.google.gerrit.server.index.change.ChangeField.StoredSubmitRecord;
-import com.google.gerrit.server.mail.Address;
 import com.google.gerrit.server.notedb.NoteDbChangeState.PrimaryStorage;
 import com.google.gson.Gson;
 import java.io.IOException;
diff --git a/java/com/google/gerrit/server/notedb/ChangeUpdate.java b/java/com/google/gerrit/server/notedb/ChangeUpdate.java
index 69fbfe1..903a982 100644
--- a/java/com/google/gerrit/server/notedb/ChangeUpdate.java
+++ b/java/com/google/gerrit/server/notedb/ChangeUpdate.java
@@ -52,6 +52,7 @@
 import com.google.common.collect.TreeBasedTable;
 import com.google.gerrit.common.Nullable;
 import com.google.gerrit.common.data.SubmitRecord;
+import com.google.gerrit.mail.Address;
 import com.google.gerrit.reviewdb.client.Account;
 import com.google.gerrit.reviewdb.client.Change;
 import com.google.gerrit.reviewdb.client.Comment;
@@ -62,7 +63,6 @@
 import com.google.gerrit.server.CurrentUser;
 import com.google.gerrit.server.GerritPersonIdent;
 import com.google.gerrit.server.config.GerritServerConfig;
-import com.google.gerrit.server.mail.Address;
 import com.google.gerrit.server.project.ProjectCache;
 import com.google.gerrit.server.util.LabelVote;
 import com.google.gerrit.server.util.RequestId;
diff --git a/java/com/google/gerrit/server/project/ProjectConfig.java b/java/com/google/gerrit/server/project/ProjectConfig.java
index aa5bcac..44aa83b 100644
--- a/java/com/google/gerrit/server/project/ProjectConfig.java
+++ b/java/com/google/gerrit/server/project/ProjectConfig.java
@@ -41,6 +41,7 @@
 import com.google.gerrit.common.errors.InvalidNameException;
 import com.google.gerrit.extensions.client.InheritableBoolean;
 import com.google.gerrit.extensions.client.ProjectState;
+import com.google.gerrit.mail.Address;
 import com.google.gerrit.reviewdb.client.AccountGroup;
 import com.google.gerrit.reviewdb.client.BooleanProjectConfig;
 import com.google.gerrit.reviewdb.client.Branch;
@@ -55,7 +56,6 @@
 import com.google.gerrit.server.git.ValidationError;
 import com.google.gerrit.server.git.meta.MetaDataUpdate;
 import com.google.gerrit.server.git.meta.VersionedMetaData;
-import com.google.gerrit.server.mail.Address;
 import java.io.IOException;
 import java.util.ArrayList;
 import java.util.Arrays;
diff --git a/java/com/google/gerrit/server/query/change/ChangeQueryBuilder.java b/java/com/google/gerrit/server/query/change/ChangeQueryBuilder.java
index 3113504..5855404 100644
--- a/java/com/google/gerrit/server/query/change/ChangeQueryBuilder.java
+++ b/java/com/google/gerrit/server/query/change/ChangeQueryBuilder.java
@@ -39,6 +39,7 @@
 import com.google.gerrit.index.query.QueryBuilder;
 import com.google.gerrit.index.query.QueryParseException;
 import com.google.gerrit.index.query.QueryRequiresAuthException;
+import com.google.gerrit.mail.Address;
 import com.google.gerrit.reviewdb.client.Account;
 import com.google.gerrit.reviewdb.client.AccountGroup;
 import com.google.gerrit.reviewdb.client.Branch;
@@ -65,7 +66,6 @@
 import com.google.gerrit.server.index.change.ChangeIndex;
 import com.google.gerrit.server.index.change.ChangeIndexCollection;
 import com.google.gerrit.server.index.change.ChangeIndexRewriter;
-import com.google.gerrit.server.mail.Address;
 import com.google.gerrit.server.notedb.ChangeNotes;
 import com.google.gerrit.server.notedb.NotesMigration;
 import com.google.gerrit.server.notedb.ReviewerStateInternal;
diff --git a/java/com/google/gerrit/server/query/change/ReviewerByEmailPredicate.java b/java/com/google/gerrit/server/query/change/ReviewerByEmailPredicate.java
index f4e979c..667c630 100644
--- a/java/com/google/gerrit/server/query/change/ReviewerByEmailPredicate.java
+++ b/java/com/google/gerrit/server/query/change/ReviewerByEmailPredicate.java
@@ -17,8 +17,8 @@
 import static com.google.common.base.Preconditions.checkArgument;
 
 import com.google.gerrit.index.query.Predicate;
+import com.google.gerrit.mail.Address;
 import com.google.gerrit.server.index.change.ChangeField;
-import com.google.gerrit.server.mail.Address;
 import com.google.gerrit.server.notedb.ReviewerStateInternal;
 import com.google.gwtorm.server.OrmException;
 
diff --git a/java/com/google/gerrit/server/restapi/BUILD b/java/com/google/gerrit/server/restapi/BUILD
index ff114fae..1207c71 100644
--- a/java/com/google/gerrit/server/restapi/BUILD
+++ b/java/com/google/gerrit/server/restapi/BUILD
@@ -12,6 +12,7 @@
         "//java/com/google/gerrit/index",
         "//java/com/google/gerrit/index:query_exception",
         "//java/com/google/gerrit/index/project",
+        "//java/com/google/gerrit/mail",
         "//java/com/google/gerrit/metrics",
         "//java/com/google/gerrit/prettify:server",
         "//java/com/google/gerrit/reviewdb:server",
diff --git a/java/com/google/gerrit/server/restapi/change/DeleteReviewerByEmailOp.java b/java/com/google/gerrit/server/restapi/change/DeleteReviewerByEmailOp.java
index fac1003..3231d16 100644
--- a/java/com/google/gerrit/server/restapi/change/DeleteReviewerByEmailOp.java
+++ b/java/com/google/gerrit/server/restapi/change/DeleteReviewerByEmailOp.java
@@ -17,12 +17,12 @@
 import com.google.common.flogger.FluentLogger;
 import com.google.gerrit.extensions.api.changes.DeleteReviewerInput;
 import com.google.gerrit.extensions.api.changes.NotifyHandling;
+import com.google.gerrit.mail.Address;
 import com.google.gerrit.reviewdb.client.Change;
 import com.google.gerrit.reviewdb.client.ChangeMessage;
 import com.google.gerrit.reviewdb.client.PatchSet;
 import com.google.gerrit.server.ChangeUtil;
 import com.google.gerrit.server.change.NotifyUtil;
-import com.google.gerrit.server.mail.Address;
 import com.google.gerrit.server.mail.send.DeleteReviewerSender;
 import com.google.gerrit.server.update.BatchUpdateOp;
 import com.google.gerrit.server.update.ChangeContext;
diff --git a/java/com/google/gerrit/server/restapi/change/ListReviewers.java b/java/com/google/gerrit/server/restapi/change/ListReviewers.java
index 750e74f..46bb33f 100644
--- a/java/com/google/gerrit/server/restapi/change/ListReviewers.java
+++ b/java/com/google/gerrit/server/restapi/change/ListReviewers.java
@@ -16,12 +16,12 @@
 
 import com.google.gerrit.extensions.api.changes.ReviewerInfo;
 import com.google.gerrit.extensions.restapi.RestReadView;
+import com.google.gerrit.mail.Address;
 import com.google.gerrit.reviewdb.client.Account;
 import com.google.gerrit.reviewdb.server.ReviewDb;
 import com.google.gerrit.server.ApprovalsUtil;
 import com.google.gerrit.server.change.ChangeResource;
 import com.google.gerrit.server.change.ReviewerResource;
-import com.google.gerrit.server.mail.Address;
 import com.google.gerrit.server.permissions.PermissionBackendException;
 import com.google.gwtorm.server.OrmException;
 import com.google.inject.Inject;
diff --git a/java/com/google/gerrit/server/restapi/change/ListRevisionReviewers.java b/java/com/google/gerrit/server/restapi/change/ListRevisionReviewers.java
index d0630b7..32c4ea3 100644
--- a/java/com/google/gerrit/server/restapi/change/ListRevisionReviewers.java
+++ b/java/com/google/gerrit/server/restapi/change/ListRevisionReviewers.java
@@ -17,12 +17,12 @@
 import com.google.gerrit.extensions.api.changes.ReviewerInfo;
 import com.google.gerrit.extensions.restapi.MethodNotAllowedException;
 import com.google.gerrit.extensions.restapi.RestReadView;
+import com.google.gerrit.mail.Address;
 import com.google.gerrit.reviewdb.client.Account;
 import com.google.gerrit.reviewdb.server.ReviewDb;
 import com.google.gerrit.server.ApprovalsUtil;
 import com.google.gerrit.server.change.ReviewerResource;
 import com.google.gerrit.server.change.RevisionResource;
-import com.google.gerrit.server.mail.Address;
 import com.google.gerrit.server.permissions.PermissionBackendException;
 import com.google.gwtorm.server.OrmException;
 import com.google.inject.Inject;
diff --git a/java/com/google/gerrit/server/restapi/change/PostReview.java b/java/com/google/gerrit/server/restapi/change/PostReview.java
index 622e06b..20f3d8a 100644
--- a/java/com/google/gerrit/server/restapi/change/PostReview.java
+++ b/java/com/google/gerrit/server/restapi/change/PostReview.java
@@ -64,6 +64,7 @@
 import com.google.gerrit.extensions.restapi.RestApiException;
 import com.google.gerrit.extensions.restapi.UnprocessableEntityException;
 import com.google.gerrit.extensions.restapi.Url;
+import com.google.gerrit.mail.Address;
 import com.google.gerrit.reviewdb.client.Account;
 import com.google.gerrit.reviewdb.client.Change;
 import com.google.gerrit.reviewdb.client.ChangeMessage;
@@ -94,7 +95,6 @@
 import com.google.gerrit.server.change.WorkInProgressOp;
 import com.google.gerrit.server.config.GerritServerConfig;
 import com.google.gerrit.server.extensions.events.CommentAdded;
-import com.google.gerrit.server.mail.Address;
 import com.google.gerrit.server.notedb.ChangeNotes;
 import com.google.gerrit.server.notedb.ChangeUpdate;
 import com.google.gerrit.server.notedb.NotesMigration;
diff --git a/java/com/google/gerrit/server/restapi/change/PostReviewers.java b/java/com/google/gerrit/server/restapi/change/PostReviewers.java
index e816ffb..0df86d1 100644
--- a/java/com/google/gerrit/server/restapi/change/PostReviewers.java
+++ b/java/com/google/gerrit/server/restapi/change/PostReviewers.java
@@ -37,6 +37,7 @@
 import com.google.gerrit.extensions.restapi.BadRequestException;
 import com.google.gerrit.extensions.restapi.RestApiException;
 import com.google.gerrit.extensions.restapi.UnprocessableEntityException;
+import com.google.gerrit.mail.Address;
 import com.google.gerrit.reviewdb.client.Account;
 import com.google.gerrit.reviewdb.client.AccountGroup;
 import com.google.gerrit.reviewdb.client.BooleanProjectConfig;
@@ -56,7 +57,6 @@
 import com.google.gerrit.server.change.RevisionResource;
 import com.google.gerrit.server.config.GerritServerConfig;
 import com.google.gerrit.server.group.SystemGroupBackend;
-import com.google.gerrit.server.mail.Address;
 import com.google.gerrit.server.mail.send.OutgoingEmailValidator;
 import com.google.gerrit.server.notedb.ChangeNotes;
 import com.google.gerrit.server.notedb.NotesMigration;
diff --git a/java/com/google/gerrit/server/restapi/change/PostReviewersOp.java b/java/com/google/gerrit/server/restapi/change/PostReviewersOp.java
index 3cb6136..08b66aa 100644
--- a/java/com/google/gerrit/server/restapi/change/PostReviewersOp.java
+++ b/java/com/google/gerrit/server/restapi/change/PostReviewersOp.java
@@ -30,6 +30,7 @@
 import com.google.gerrit.extensions.api.changes.RecipientType;
 import com.google.gerrit.extensions.client.ReviewerState;
 import com.google.gerrit.extensions.restapi.RestApiException;
+import com.google.gerrit.mail.Address;
 import com.google.gerrit.reviewdb.client.Account;
 import com.google.gerrit.reviewdb.client.Change;
 import com.google.gerrit.reviewdb.client.PatchSet;
@@ -42,7 +43,6 @@
 import com.google.gerrit.server.account.AccountState;
 import com.google.gerrit.server.change.ChangeResource;
 import com.google.gerrit.server.extensions.events.ReviewerAdded;
-import com.google.gerrit.server.mail.Address;
 import com.google.gerrit.server.mail.send.AddReviewerSender;
 import com.google.gerrit.server.notedb.NotesMigration;
 import com.google.gerrit.server.notedb.ReviewerStateInternal;
diff --git a/java/com/google/gerrit/server/restapi/change/Reviewers.java b/java/com/google/gerrit/server/restapi/change/Reviewers.java
index a4cfbd2..f0aef13 100644
--- a/java/com/google/gerrit/server/restapi/change/Reviewers.java
+++ b/java/com/google/gerrit/server/restapi/change/Reviewers.java
@@ -21,12 +21,12 @@
 import com.google.gerrit.extensions.restapi.ResourceNotFoundException;
 import com.google.gerrit.extensions.restapi.RestView;
 import com.google.gerrit.extensions.restapi.TopLevelResource;
+import com.google.gerrit.mail.Address;
 import com.google.gerrit.reviewdb.client.Account;
 import com.google.gerrit.reviewdb.server.ReviewDb;
 import com.google.gerrit.server.ApprovalsUtil;
 import com.google.gerrit.server.change.ChangeResource;
 import com.google.gerrit.server.change.ReviewerResource;
-import com.google.gerrit.server.mail.Address;
 import com.google.gerrit.server.restapi.account.AccountsCollection;
 import com.google.gwtorm.server.OrmException;
 import com.google.inject.Inject;
diff --git a/java/com/google/gerrit/server/restapi/change/RevisionReviewers.java b/java/com/google/gerrit/server/restapi/change/RevisionReviewers.java
index 7cf30e2..b9b7a4f 100644
--- a/java/com/google/gerrit/server/restapi/change/RevisionReviewers.java
+++ b/java/com/google/gerrit/server/restapi/change/RevisionReviewers.java
@@ -22,12 +22,12 @@
 import com.google.gerrit.extensions.restapi.ResourceNotFoundException;
 import com.google.gerrit.extensions.restapi.RestView;
 import com.google.gerrit.extensions.restapi.TopLevelResource;
+import com.google.gerrit.mail.Address;
 import com.google.gerrit.reviewdb.client.Account;
 import com.google.gerrit.reviewdb.server.ReviewDb;
 import com.google.gerrit.server.ApprovalsUtil;
 import com.google.gerrit.server.change.ReviewerResource;
 import com.google.gerrit.server.change.RevisionResource;
-import com.google.gerrit.server.mail.Address;
 import com.google.gerrit.server.restapi.account.AccountsCollection;
 import com.google.gwtorm.server.OrmException;
 import com.google.inject.Inject;
diff --git a/java/com/google/gerrit/server/validators/OutgoingEmailValidationListener.java b/java/com/google/gerrit/server/validators/OutgoingEmailValidationListener.java
index 9f152a5..996ad87 100644
--- a/java/com/google/gerrit/server/validators/OutgoingEmailValidationListener.java
+++ b/java/com/google/gerrit/server/validators/OutgoingEmailValidationListener.java
@@ -16,8 +16,8 @@
 
 import com.google.gerrit.common.Nullable;
 import com.google.gerrit.extensions.annotations.ExtensionPoint;
-import com.google.gerrit.server.mail.Address;
-import com.google.gerrit.server.mail.send.EmailHeader;
+import com.google.gerrit.mail.Address;
+import com.google.gerrit.mail.EmailHeader;
 import java.util.Map;
 import java.util.Set;
 
diff --git a/java/com/google/gerrit/testing/BUILD b/java/com/google/gerrit/testing/BUILD
index 43aa978..55565ad 100644
--- a/java/com/google/gerrit/testing/BUILD
+++ b/java/com/google/gerrit/testing/BUILD
@@ -19,6 +19,7 @@
         "//java/com/google/gerrit/index",
         "//java/com/google/gerrit/index/project",
         "//java/com/google/gerrit/lifecycle",
+        "//java/com/google/gerrit/mail",
         "//java/com/google/gerrit/metrics",
         "//java/com/google/gerrit/pgm/init",
         "//java/com/google/gerrit/reviewdb:server",
diff --git a/java/com/google/gerrit/testing/FakeEmailSender.java b/java/com/google/gerrit/testing/FakeEmailSender.java
index 28946dc..e81d0f4 100644
--- a/java/com/google/gerrit/testing/FakeEmailSender.java
+++ b/java/com/google/gerrit/testing/FakeEmailSender.java
@@ -22,10 +22,10 @@
 import com.google.common.flogger.FluentLogger;
 import com.google.gerrit.common.Nullable;
 import com.google.gerrit.common.errors.EmailException;
+import com.google.gerrit.mail.Address;
+import com.google.gerrit.mail.EmailHeader;
+import com.google.gerrit.mail.MailHeader;
 import com.google.gerrit.server.git.WorkQueue;
-import com.google.gerrit.server.mail.Address;
-import com.google.gerrit.server.mail.MailHeader;
-import com.google.gerrit.server.mail.send.EmailHeader;
 import com.google.gerrit.server.mail.send.EmailSender;
 import com.google.inject.AbstractModule;
 import com.google.inject.Inject;
diff --git a/javatests/com/google/gerrit/acceptance/api/accounts/AccountIT.java b/javatests/com/google/gerrit/acceptance/api/accounts/AccountIT.java
index 0bcf02b..aa9ef80 100644
--- a/javatests/com/google/gerrit/acceptance/api/accounts/AccountIT.java
+++ b/javatests/com/google/gerrit/acceptance/api/accounts/AccountIT.java
@@ -90,6 +90,7 @@
 import com.google.gerrit.gpg.Fingerprint;
 import com.google.gerrit.gpg.PublicKeyStore;
 import com.google.gerrit.gpg.testing.TestKey;
+import com.google.gerrit.mail.Address;
 import com.google.gerrit.reviewdb.client.Account;
 import com.google.gerrit.reviewdb.client.Change;
 import com.google.gerrit.reviewdb.client.Project;
@@ -111,7 +112,6 @@
 import com.google.gerrit.server.git.meta.MetaDataUpdate;
 import com.google.gerrit.server.index.account.AccountIndexer;
 import com.google.gerrit.server.index.account.StalenessChecker;
-import com.google.gerrit.server.mail.Address;
 import com.google.gerrit.server.notedb.rebuild.ChangeRebuilderImpl;
 import com.google.gerrit.server.project.ProjectConfig;
 import com.google.gerrit.server.project.RefPattern;
diff --git a/javatests/com/google/gerrit/acceptance/api/accounts/BUILD b/javatests/com/google/gerrit/acceptance/api/accounts/BUILD
index b52efe7..9bc30ba 100644
--- a/javatests/com/google/gerrit/acceptance/api/accounts/BUILD
+++ b/javatests/com/google/gerrit/acceptance/api/accounts/BUILD
@@ -8,4 +8,5 @@
         "noci",
         "no_windows",
     ],
+    deps = ["//java/com/google/gerrit/mail"],
 )
diff --git a/javatests/com/google/gerrit/acceptance/api/change/ChangeIT.java b/javatests/com/google/gerrit/acceptance/api/change/ChangeIT.java
index f9284bd..624e1b0 100644
--- a/javatests/com/google/gerrit/acceptance/api/change/ChangeIT.java
+++ b/javatests/com/google/gerrit/acceptance/api/change/ChangeIT.java
@@ -126,6 +126,7 @@
 import com.google.gerrit.extensions.restapi.ResourceNotFoundException;
 import com.google.gerrit.extensions.restapi.RestApiException;
 import com.google.gerrit.extensions.restapi.UnprocessableEntityException;
+import com.google.gerrit.mail.Address;
 import com.google.gerrit.reviewdb.client.Account;
 import com.google.gerrit.reviewdb.client.AccountGroup;
 import com.google.gerrit.reviewdb.client.Branch;
@@ -140,7 +141,6 @@
 import com.google.gerrit.server.change.ChangeResource;
 import com.google.gerrit.server.git.ChangeMessageModifier;
 import com.google.gerrit.server.group.SystemGroupBackend;
-import com.google.gerrit.server.mail.Address;
 import com.google.gerrit.server.notedb.NoteDbChangeState.PrimaryStorage;
 import com.google.gerrit.server.project.testing.Util;
 import com.google.gerrit.server.restapi.change.PostReview;
diff --git a/javatests/com/google/gerrit/acceptance/git/AbstractPushForReview.java b/javatests/com/google/gerrit/acceptance/git/AbstractPushForReview.java
index cfa7ec4..b4ae8a2 100644
--- a/javatests/com/google/gerrit/acceptance/git/AbstractPushForReview.java
+++ b/javatests/com/google/gerrit/acceptance/git/AbstractPushForReview.java
@@ -71,6 +71,7 @@
 import com.google.gerrit.extensions.common.LabelInfo;
 import com.google.gerrit.extensions.common.RevisionInfo;
 import com.google.gerrit.extensions.common.testing.EditInfoSubject;
+import com.google.gerrit.mail.Address;
 import com.google.gerrit.reviewdb.client.AccountGroup;
 import com.google.gerrit.reviewdb.client.BooleanProjectConfig;
 import com.google.gerrit.reviewdb.client.Change;
@@ -84,7 +85,6 @@
 import com.google.gerrit.server.git.receive.ReceiveConstants;
 import com.google.gerrit.server.git.validators.CommitValidators.ChangeIdValidator;
 import com.google.gerrit.server.group.SystemGroupBackend;
-import com.google.gerrit.server.mail.Address;
 import com.google.gerrit.server.project.testing.Util;
 import com.google.gerrit.server.query.change.ChangeData;
 import com.google.gerrit.testing.FakeEmailSender.Message;
diff --git a/javatests/com/google/gerrit/acceptance/git/BUILD b/javatests/com/google/gerrit/acceptance/git/BUILD
index 7a6a3c4..3541fec 100644
--- a/javatests/com/google/gerrit/acceptance/git/BUILD
+++ b/javatests/com/google/gerrit/acceptance/git/BUILD
@@ -16,6 +16,7 @@
     srcs = ["AbstractPushForReview.java"],
     deps = [
         "//java/com/google/gerrit/acceptance:lib",
+        "//java/com/google/gerrit/mail",
     ],
 )
 
diff --git a/javatests/com/google/gerrit/acceptance/rest/change/BUILD b/javatests/com/google/gerrit/acceptance/rest/change/BUILD
index 6a4b4a7..46eb0ba 100644
--- a/javatests/com/google/gerrit/acceptance/rest/change/BUILD
+++ b/javatests/com/google/gerrit/acceptance/rest/change/BUILD
@@ -15,6 +15,7 @@
     labels = ["rest"],
     deps = [
         ":submit_util",
+        "//java/com/google/gerrit/mail",
     ],
 )
 
diff --git a/javatests/com/google/gerrit/acceptance/rest/change/ChangeReviewersByEmailIT.java b/javatests/com/google/gerrit/acceptance/rest/change/ChangeReviewersByEmailIT.java
index 84c9c03..06b67d8 100644
--- a/javatests/com/google/gerrit/acceptance/rest/change/ChangeReviewersByEmailIT.java
+++ b/javatests/com/google/gerrit/acceptance/rest/change/ChangeReviewersByEmailIT.java
@@ -32,7 +32,7 @@
 import com.google.gerrit.extensions.client.ReviewerState;
 import com.google.gerrit.extensions.common.AccountInfo;
 import com.google.gerrit.extensions.common.ChangeInfo;
-import com.google.gerrit.server.mail.Address;
+import com.google.gerrit.mail.Address;
 import com.google.gerrit.testing.FakeEmailSender.Message;
 import java.util.List;
 import org.junit.Before;
diff --git a/javatests/com/google/gerrit/acceptance/rest/change/ChangeReviewersIT.java b/javatests/com/google/gerrit/acceptance/rest/change/ChangeReviewersIT.java
index 129d98a..2259999 100644
--- a/javatests/com/google/gerrit/acceptance/rest/change/ChangeReviewersIT.java
+++ b/javatests/com/google/gerrit/acceptance/rest/change/ChangeReviewersIT.java
@@ -46,8 +46,8 @@
 import com.google.gerrit.extensions.common.LabelInfo;
 import com.google.gerrit.extensions.common.ReviewerUpdateInfo;
 import com.google.gerrit.extensions.restapi.AuthException;
+import com.google.gerrit.mail.Address;
 import com.google.gerrit.reviewdb.client.RefNames;
-import com.google.gerrit.server.mail.Address;
 import com.google.gerrit.server.restapi.change.PostReviewers;
 import com.google.gerrit.testing.FakeEmailSender.Message;
 import com.google.gson.stream.JsonReader;
diff --git a/javatests/com/google/gerrit/acceptance/server/mail/AbstractMailIT.java b/javatests/com/google/gerrit/acceptance/server/mail/AbstractMailIT.java
index 32f1ce5..c1b5cf4 100644
--- a/javatests/com/google/gerrit/acceptance/server/mail/AbstractMailIT.java
+++ b/javatests/com/google/gerrit/acceptance/server/mail/AbstractMailIT.java
@@ -22,7 +22,7 @@
 import com.google.gerrit.extensions.api.changes.ReviewInput.CommentInput;
 import com.google.gerrit.extensions.client.Comment;
 import com.google.gerrit.extensions.client.Side;
-import com.google.gerrit.server.mail.receive.MailMessage;
+import com.google.gerrit.mail.MailMessage;
 import java.time.Instant;
 import java.util.HashMap;
 import org.junit.Ignore;
diff --git a/javatests/com/google/gerrit/acceptance/server/mail/BUILD b/javatests/com/google/gerrit/acceptance/server/mail/BUILD
index 4175272..b5ad425 100644
--- a/javatests/com/google/gerrit/acceptance/server/mail/BUILD
+++ b/javatests/com/google/gerrit/acceptance/server/mail/BUILD
@@ -3,6 +3,7 @@
 DEPS = [
     "//lib/greenmail",
     "//lib/mail",
+    "//java/com/google/gerrit/mail",
 ]
 
 acceptance_tests(
diff --git a/javatests/com/google/gerrit/acceptance/server/mail/ListMailFilterIT.java b/javatests/com/google/gerrit/acceptance/server/mail/ListMailFilterIT.java
index 438954c..13f0416 100644
--- a/javatests/com/google/gerrit/acceptance/server/mail/ListMailFilterIT.java
+++ b/javatests/com/google/gerrit/acceptance/server/mail/ListMailFilterIT.java
@@ -21,8 +21,8 @@
 import com.google.gerrit.extensions.common.ChangeInfo;
 import com.google.gerrit.extensions.common.ChangeMessageInfo;
 import com.google.gerrit.extensions.common.CommentInfo;
-import com.google.gerrit.server.mail.MailUtil;
-import com.google.gerrit.server.mail.receive.MailMessage;
+import com.google.gerrit.mail.MailMessage;
+import com.google.gerrit.mail.MailProcessingUtil;
 import com.google.gerrit.server.mail.receive.MailProcessor;
 import com.google.inject.Inject;
 import java.time.ZoneId;
@@ -100,7 +100,7 @@
     ChangeInfo changeInfo = gApi.changes().id(changeId).get();
     List<CommentInfo> comments = gApi.changes().id(changeId).current().commentsAsList();
     String ts =
-        MailUtil.rfcDateformatter.format(
+        MailProcessingUtil.rfcDateformatter.format(
             ZonedDateTime.ofInstant(comments.get(0).updated.toInstant(), ZoneId.of("UTC")));
 
     // Build Message
diff --git a/javatests/com/google/gerrit/acceptance/server/mail/MailMetadataIT.java b/javatests/com/google/gerrit/acceptance/server/mail/MailMetadataIT.java
index 3315a33..988b051 100644
--- a/javatests/com/google/gerrit/acceptance/server/mail/MailMetadataIT.java
+++ b/javatests/com/google/gerrit/acceptance/server/mail/MailMetadataIT.java
@@ -22,8 +22,8 @@
 import com.google.gerrit.acceptance.PushOneCommit;
 import com.google.gerrit.extensions.api.changes.ReviewInput;
 import com.google.gerrit.extensions.common.ChangeMessageInfo;
-import com.google.gerrit.server.mail.MailUtil;
-import com.google.gerrit.server.mail.send.EmailHeader;
+import com.google.gerrit.mail.EmailHeader;
+import com.google.gerrit.mail.MailProcessingUtil;
 import com.google.gerrit.testing.FakeEmailSender;
 import com.google.gerrit.testing.TestTimeUtil;
 import java.sql.Timestamp;
@@ -147,7 +147,7 @@
             .contains(
                 entry.getKey()
                     + ": "
-                    + MailUtil.rfcDateformatter.format(
+                    + MailProcessingUtil.rfcDateformatter.format(
                         ZonedDateTime.ofInstant(
                             ((Timestamp) entry.getValue()).toInstant(), ZoneId.of("UTC"))));
       } else {
diff --git a/javatests/com/google/gerrit/acceptance/server/mail/MailProcessorIT.java b/javatests/com/google/gerrit/acceptance/server/mail/MailProcessorIT.java
index f34fe33..b9f30d6 100644
--- a/javatests/com/google/gerrit/acceptance/server/mail/MailProcessorIT.java
+++ b/javatests/com/google/gerrit/acceptance/server/mail/MailProcessorIT.java
@@ -20,8 +20,8 @@
 import com.google.gerrit.extensions.common.ChangeInfo;
 import com.google.gerrit.extensions.common.ChangeMessageInfo;
 import com.google.gerrit.extensions.common.CommentInfo;
-import com.google.gerrit.server.mail.MailUtil;
-import com.google.gerrit.server.mail.receive.MailMessage;
+import com.google.gerrit.mail.MailMessage;
+import com.google.gerrit.mail.MailProcessingUtil;
 import com.google.gerrit.server.mail.receive.MailProcessor;
 import com.google.gerrit.testing.FakeEmailSender.Message;
 import com.google.inject.Inject;
@@ -40,7 +40,7 @@
     ChangeInfo changeInfo = gApi.changes().id(changeId).get();
     List<CommentInfo> comments = gApi.changes().id(changeId).current().commentsAsList();
     String ts =
-        MailUtil.rfcDateformatter.format(
+        MailProcessingUtil.rfcDateformatter.format(
             ZonedDateTime.ofInstant(comments.get(0).updated.toInstant(), ZoneId.of("UTC")));
 
     // Build Message
@@ -68,7 +68,7 @@
     ChangeInfo changeInfo = gApi.changes().id(changeId).get();
     List<CommentInfo> comments = gApi.changes().id(changeId).current().commentsAsList();
     String ts =
-        MailUtil.rfcDateformatter.format(
+        MailProcessingUtil.rfcDateformatter.format(
             ZonedDateTime.ofInstant(comments.get(0).updated.toInstant(), ZoneId.of("UTC")));
 
     // Build Message
@@ -104,7 +104,7 @@
     ChangeInfo changeInfo = gApi.changes().id(changeId).get();
     List<CommentInfo> comments = gApi.changes().id(changeId).current().commentsAsList();
     String ts =
-        MailUtil.rfcDateformatter.format(
+        MailProcessingUtil.rfcDateformatter.format(
             ZonedDateTime.ofInstant(comments.get(0).updated.toInstant(), ZoneId.of("UTC")));
 
     // Build Message
@@ -141,7 +141,7 @@
     ChangeInfo changeInfo = gApi.changes().id(changeId).get();
     List<CommentInfo> comments = gApi.changes().id(changeId).current().commentsAsList();
     String ts =
-        MailUtil.rfcDateformatter.format(
+        MailProcessingUtil.rfcDateformatter.format(
             ZonedDateTime.ofInstant(comments.get(0).updated.toInstant(), ZoneId.of("UTC")));
 
     // Build Message
@@ -171,7 +171,7 @@
     ChangeInfo changeInfo = gApi.changes().id(changeId).get();
     List<CommentInfo> comments = gApi.changes().id(changeId).current().commentsAsList();
     String ts =
-        MailUtil.rfcDateformatter.format(
+        MailProcessingUtil.rfcDateformatter.format(
             ZonedDateTime.ofInstant(comments.get(0).updated.toInstant(), ZoneId.of("UTC")));
     assertThat(comments).hasSize(2);
 
@@ -206,7 +206,7 @@
     List<CommentInfo> comments = gApi.changes().id(changeId).current().commentsAsList();
     assertThat(comments).hasSize(2);
     String ts =
-        MailUtil.rfcDateformatter.format(
+        MailProcessingUtil.rfcDateformatter.format(
             ZonedDateTime.ofInstant(comments.get(0).updated.toInstant(), ZoneId.of("UTC")));
 
     // Build Message
diff --git a/javatests/com/google/gerrit/acceptance/server/mail/MailSenderIT.java b/javatests/com/google/gerrit/acceptance/server/mail/MailSenderIT.java
index 4f51e1f..8d21b5b 100644
--- a/javatests/com/google/gerrit/acceptance/server/mail/MailSenderIT.java
+++ b/javatests/com/google/gerrit/acceptance/server/mail/MailSenderIT.java
@@ -17,7 +17,7 @@
 import static com.google.common.truth.Truth.assertThat;
 
 import com.google.gerrit.acceptance.GerritConfig;
-import com.google.gerrit.server.mail.send.EmailHeader;
+import com.google.gerrit.mail.EmailHeader;
 import java.net.URI;
 import java.util.Map;
 import org.junit.Test;
diff --git a/javatests/com/google/gerrit/acceptance/server/project/BUILD b/javatests/com/google/gerrit/acceptance/server/project/BUILD
index efa1cdb..42dfbac 100644
--- a/javatests/com/google/gerrit/acceptance/server/project/BUILD
+++ b/javatests/com/google/gerrit/acceptance/server/project/BUILD
@@ -4,4 +4,5 @@
     srcs = glob(["*IT.java"]),
     group = "server_project",
     labels = ["server"],
+    deps = ["//java/com/google/gerrit/mail"],
 )
diff --git a/javatests/com/google/gerrit/acceptance/server/project/ProjectWatchIT.java b/javatests/com/google/gerrit/acceptance/server/project/ProjectWatchIT.java
index ca0cae4..cfdd781 100644
--- a/javatests/com/google/gerrit/acceptance/server/project/ProjectWatchIT.java
+++ b/javatests/com/google/gerrit/acceptance/server/project/ProjectWatchIT.java
@@ -26,11 +26,11 @@
 import com.google.gerrit.extensions.api.changes.ReviewInput;
 import com.google.gerrit.extensions.api.changes.StarsInput;
 import com.google.gerrit.extensions.common.GroupInfo;
+import com.google.gerrit.mail.Address;
 import com.google.gerrit.reviewdb.client.AccountGroup;
 import com.google.gerrit.reviewdb.client.Project;
 import com.google.gerrit.server.account.ProjectWatches.NotifyType;
 import com.google.gerrit.server.git.NotifyConfig;
-import com.google.gerrit.server.mail.Address;
 import com.google.gerrit.testing.FakeEmailSender.Message;
 import java.util.EnumSet;
 import java.util.List;
diff --git a/javatests/com/google/gerrit/server/mail/receive/AbstractParserTest.java b/javatests/com/google/gerrit/mail/AbstractParserTest.java
similarity index 97%
rename from javatests/com/google/gerrit/server/mail/receive/AbstractParserTest.java
rename to javatests/com/google/gerrit/mail/AbstractParserTest.java
index 0e894a6..5219ce8 100644
--- a/javatests/com/google/gerrit/server/mail/receive/AbstractParserTest.java
+++ b/javatests/com/google/gerrit/mail/AbstractParserTest.java
@@ -12,13 +12,12 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-package com.google.gerrit.server.mail.receive;
+package com.google.gerrit.mail;
 
 import static com.google.common.truth.Truth.assertThat;
 
 import com.google.gerrit.reviewdb.client.Account;
 import com.google.gerrit.reviewdb.client.Comment;
-import com.google.gerrit.server.mail.Address;
 import java.sql.Timestamp;
 import java.time.Instant;
 import java.util.ArrayList;
diff --git a/javatests/com/google/gerrit/server/mail/AddressTest.java b/javatests/com/google/gerrit/mail/AddressTest.java
similarity index 81%
rename from javatests/com/google/gerrit/server/mail/AddressTest.java
rename to javatests/com/google/gerrit/mail/AddressTest.java
index 7dbd563..53ff1fe 100644
--- a/javatests/com/google/gerrit/server/mail/AddressTest.java
+++ b/javatests/com/google/gerrit/mail/AddressTest.java
@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-package com.google.gerrit.server.mail;
+package com.google.gerrit.mail;
 
 import static com.google.common.truth.Truth.assertThat;
 import static org.junit.Assert.fail;
@@ -24,57 +24,57 @@
   @Test
   public void parse_NameEmail1() {
     final Address a = Address.parse("A U Thor <author@example.com>");
-    assertThat(a.name).isEqualTo("A U Thor");
-    assertThat(a.email).isEqualTo("author@example.com");
+    assertThat(a.getName()).isEqualTo("A U Thor");
+    assertThat(a.getEmail()).isEqualTo("author@example.com");
   }
 
   @Test
   public void parse_NameEmail2() {
     final Address a = Address.parse("A <a@b>");
-    assertThat(a.name).isEqualTo("A");
-    assertThat(a.email).isEqualTo("a@b");
+    assertThat(a.getName()).isEqualTo("A");
+    assertThat(a.getEmail()).isEqualTo("a@b");
   }
 
   @Test
   public void parse_NameEmail3() {
     final Address a = Address.parse("<a@b>");
-    assertThat(a.name).isNull();
-    assertThat(a.email).isEqualTo("a@b");
+    assertThat(a.getName()).isNull();
+    assertThat(a.getEmail()).isEqualTo("a@b");
   }
 
   @Test
   public void parse_NameEmail4() {
     final Address a = Address.parse("A U Thor<author@example.com>");
-    assertThat(a.name).isEqualTo("A U Thor");
-    assertThat(a.email).isEqualTo("author@example.com");
+    assertThat(a.getName()).isEqualTo("A U Thor");
+    assertThat(a.getEmail()).isEqualTo("author@example.com");
   }
 
   @Test
   public void parse_NameEmail5() {
     final Address a = Address.parse("A U Thor  <author@example.com>");
-    assertThat(a.name).isEqualTo("A U Thor");
-    assertThat(a.email).isEqualTo("author@example.com");
+    assertThat(a.getName()).isEqualTo("A U Thor");
+    assertThat(a.getEmail()).isEqualTo("author@example.com");
   }
 
   @Test
   public void parse_Email1() {
     final Address a = Address.parse("author@example.com");
-    assertThat(a.name).isNull();
-    assertThat(a.email).isEqualTo("author@example.com");
+    assertThat(a.getName()).isNull();
+    assertThat(a.getEmail()).isEqualTo("author@example.com");
   }
 
   @Test
   public void parse_Email2() {
     final Address a = Address.parse("a@b");
-    assertThat(a.name).isNull();
-    assertThat(a.email).isEqualTo("a@b");
+    assertThat(a.getName()).isNull();
+    assertThat(a.getEmail()).isEqualTo("a@b");
   }
 
   @Test
   public void parse_NewTLD() {
     Address a = Address.parse("A U Thor <author@example.systems>");
-    assertThat(a.name).isEqualTo("A U Thor");
-    assertThat(a.email).isEqualTo("author@example.systems");
+    assertThat(a.getName()).isEqualTo("A U Thor");
+    assertThat(a.getEmail()).isEqualTo("author@example.systems");
   }
 
   @Test
diff --git a/javatests/com/google/gerrit/mail/BUILD b/javatests/com/google/gerrit/mail/BUILD
new file mode 100644
index 0000000..488bbcc
--- /dev/null
+++ b/javatests/com/google/gerrit/mail/BUILD
@@ -0,0 +1,36 @@
+load("//tools/bzl:junit.bzl", "junit_tests")
+
+junit_tests(
+    name = "maillib_tests",
+    size = "small",
+    srcs = glob(
+        ["**/*.java"],
+    ),
+    visibility = ["//visibility:public"],
+    deps = [
+        "//java/com/google/gerrit/common:annotations",
+        "//java/com/google/gerrit/common:server",
+        "//java/com/google/gerrit/extensions:api",
+        "//java/com/google/gerrit/extensions/common/testing:common-test-util",
+        "//java/com/google/gerrit/index",
+        "//java/com/google/gerrit/index:query_exception",
+        "//java/com/google/gerrit/lifecycle",
+        "//java/com/google/gerrit/mail",
+        "//java/com/google/gerrit/metrics",
+        "//java/com/google/gerrit/reviewdb:server",
+        "//java/com/google/gerrit/server",
+        "//java/com/google/gerrit/server/project/testing:project-test-util",
+        "//java/com/google/gerrit/testing:gerrit-test-util",
+        "//java/org/eclipse/jgit:server",
+        "//lib:grappa",
+        "//lib:gson",
+        "//lib:guava-retrying",
+        "//lib:gwtorm",
+        "//lib/commons:codec",
+        "//lib/guice",
+        "//lib/jgit/org.eclipse.jgit:jgit",
+        "//lib/jgit/org.eclipse.jgit.junit:junit",
+        "//lib/truth",
+        "//lib/truth:truth-java8-extension",
+    ],
+)
diff --git a/javatests/com/google/gerrit/server/mail/receive/GenericHtmlParserTest.java b/javatests/com/google/gerrit/mail/GenericHtmlParserTest.java
similarity index 98%
rename from javatests/com/google/gerrit/server/mail/receive/GenericHtmlParserTest.java
rename to javatests/com/google/gerrit/mail/GenericHtmlParserTest.java
index f78953d..4718bad 100644
--- a/javatests/com/google/gerrit/server/mail/receive/GenericHtmlParserTest.java
+++ b/javatests/com/google/gerrit/mail/GenericHtmlParserTest.java
@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-package com.google.gerrit.server.mail.receive;
+package com.google.gerrit.mail;
 
 /** Test parser for a generic Html email client response */
 public class GenericHtmlParserTest extends HtmlParserTest {
diff --git a/javatests/com/google/gerrit/server/mail/receive/GmailHtmlParserTest.java b/javatests/com/google/gerrit/mail/GmailHtmlParserTest.java
similarity index 98%
rename from javatests/com/google/gerrit/server/mail/receive/GmailHtmlParserTest.java
rename to javatests/com/google/gerrit/mail/GmailHtmlParserTest.java
index df71629..f597dee 100644
--- a/javatests/com/google/gerrit/server/mail/receive/GmailHtmlParserTest.java
+++ b/javatests/com/google/gerrit/mail/GmailHtmlParserTest.java
@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-package com.google.gerrit.server.mail.receive;
+package com.google.gerrit.mail;
 
 public class GmailHtmlParserTest extends HtmlParserTest {
   @Override
diff --git a/javatests/com/google/gerrit/server/mail/receive/HtmlParserTest.java b/javatests/com/google/gerrit/mail/HtmlParserTest.java
similarity index 98%
rename from javatests/com/google/gerrit/server/mail/receive/HtmlParserTest.java
rename to javatests/com/google/gerrit/mail/HtmlParserTest.java
index d88e09f..d630bd6 100644
--- a/javatests/com/google/gerrit/server/mail/receive/HtmlParserTest.java
+++ b/javatests/com/google/gerrit/mail/HtmlParserTest.java
@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-package com.google.gerrit.server.mail.receive;
+package com.google.gerrit.mail;
 
 import static com.google.common.truth.Truth.assertThat;
 
diff --git a/javatests/com/google/gerrit/server/mail/receive/MailHeaderParserTest.java b/javatests/com/google/gerrit/mail/MailHeaderParserTest.java
similarity index 96%
rename from javatests/com/google/gerrit/server/mail/receive/MailHeaderParserTest.java
rename to javatests/com/google/gerrit/mail/MailHeaderParserTest.java
index 071dc4b..2d2c2ea 100644
--- a/javatests/com/google/gerrit/server/mail/receive/MailHeaderParserTest.java
+++ b/javatests/com/google/gerrit/mail/MailHeaderParserTest.java
@@ -12,12 +12,10 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-package com.google.gerrit.server.mail.receive;
+package com.google.gerrit.mail;
 
 import static com.google.common.truth.Truth.assertThat;
 
-import com.google.gerrit.server.mail.Address;
-import com.google.gerrit.server.mail.MailHeader;
 import java.time.Instant;
 import java.time.LocalDateTime;
 import java.time.Month;
diff --git a/javatests/com/google/gerrit/server/mail/receive/ParserUtilTest.java b/javatests/com/google/gerrit/mail/ParserUtilTest.java
similarity index 97%
rename from javatests/com/google/gerrit/server/mail/receive/ParserUtilTest.java
rename to javatests/com/google/gerrit/mail/ParserUtilTest.java
index dfa492c..47a5367 100644
--- a/javatests/com/google/gerrit/server/mail/receive/ParserUtilTest.java
+++ b/javatests/com/google/gerrit/mail/ParserUtilTest.java
@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-package com.google.gerrit.server.mail.receive;
+package com.google.gerrit.mail;
 
 import static com.google.common.truth.Truth.assertThat;
 
diff --git a/javatests/com/google/gerrit/server/mail/receive/RawMailParserTest.java b/javatests/com/google/gerrit/mail/RawMailParserTest.java
similarity index 83%
rename from javatests/com/google/gerrit/server/mail/receive/RawMailParserTest.java
rename to javatests/com/google/gerrit/mail/RawMailParserTest.java
index fb52947..9049704 100644
--- a/javatests/com/google/gerrit/server/mail/receive/RawMailParserTest.java
+++ b/javatests/com/google/gerrit/mail/RawMailParserTest.java
@@ -12,17 +12,17 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-package com.google.gerrit.server.mail.receive;
+package com.google.gerrit.mail;
 
 import static com.google.common.truth.Truth.assertThat;
 
-import com.google.gerrit.server.mail.receive.data.AttachmentMessage;
-import com.google.gerrit.server.mail.receive.data.Base64HeaderMessage;
-import com.google.gerrit.server.mail.receive.data.HtmlMimeMessage;
-import com.google.gerrit.server.mail.receive.data.NonUTF8Message;
-import com.google.gerrit.server.mail.receive.data.QuotedPrintableHeaderMessage;
-import com.google.gerrit.server.mail.receive.data.RawMailMessage;
-import com.google.gerrit.server.mail.receive.data.SimpleTextMessage;
+import com.google.gerrit.mail.data.AttachmentMessage;
+import com.google.gerrit.mail.data.Base64HeaderMessage;
+import com.google.gerrit.mail.data.HtmlMimeMessage;
+import com.google.gerrit.mail.data.NonUTF8Message;
+import com.google.gerrit.mail.data.QuotedPrintableHeaderMessage;
+import com.google.gerrit.mail.data.RawMailMessage;
+import com.google.gerrit.mail.data.SimpleTextMessage;
 import com.google.gerrit.testing.GerritBaseTests;
 import org.junit.Test;
 
diff --git a/javatests/com/google/gerrit/server/mail/receive/TextParserTest.java b/javatests/com/google/gerrit/mail/TextParserTest.java
similarity index 99%
rename from javatests/com/google/gerrit/server/mail/receive/TextParserTest.java
rename to javatests/com/google/gerrit/mail/TextParserTest.java
index 89e1f22..e11321a 100644
--- a/javatests/com/google/gerrit/server/mail/receive/TextParserTest.java
+++ b/javatests/com/google/gerrit/mail/TextParserTest.java
@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-package com.google.gerrit.server.mail.receive;
+package com.google.gerrit.mail;
 
 import static com.google.common.truth.Truth.assertThat;
 
diff --git a/javatests/com/google/gerrit/server/mail/receive/data/AttachmentMessage.java b/javatests/com/google/gerrit/mail/data/AttachmentMessage.java
similarity index 95%
rename from javatests/com/google/gerrit/server/mail/receive/data/AttachmentMessage.java
rename to javatests/com/google/gerrit/mail/data/AttachmentMessage.java
index eb4d180..1d94d68 100644
--- a/javatests/com/google/gerrit/server/mail/receive/data/AttachmentMessage.java
+++ b/javatests/com/google/gerrit/mail/data/AttachmentMessage.java
@@ -12,10 +12,10 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-package com.google.gerrit.server.mail.receive.data;
+package com.google.gerrit.mail.data;
 
-import com.google.gerrit.server.mail.Address;
-import com.google.gerrit.server.mail.receive.MailMessage;
+import com.google.gerrit.mail.Address;
+import com.google.gerrit.mail.MailMessage;
 import java.time.LocalDateTime;
 import java.time.Month;
 import java.time.ZoneOffset;
diff --git a/javatests/com/google/gerrit/server/mail/receive/data/Base64HeaderMessage.java b/javatests/com/google/gerrit/mail/data/Base64HeaderMessage.java
similarity index 93%
rename from javatests/com/google/gerrit/server/mail/receive/data/Base64HeaderMessage.java
rename to javatests/com/google/gerrit/mail/data/Base64HeaderMessage.java
index 91dc6f1..aa19537 100644
--- a/javatests/com/google/gerrit/server/mail/receive/data/Base64HeaderMessage.java
+++ b/javatests/com/google/gerrit/mail/data/Base64HeaderMessage.java
@@ -12,10 +12,10 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-package com.google.gerrit.server.mail.receive.data;
+package com.google.gerrit.mail.data;
 
-import com.google.gerrit.server.mail.Address;
-import com.google.gerrit.server.mail.receive.MailMessage;
+import com.google.gerrit.mail.Address;
+import com.google.gerrit.mail.MailMessage;
 import java.time.LocalDateTime;
 import java.time.Month;
 import java.time.ZoneOffset;
diff --git a/javatests/com/google/gerrit/server/mail/receive/data/HtmlMimeMessage.java b/javatests/com/google/gerrit/mail/data/HtmlMimeMessage.java
similarity index 96%
rename from javatests/com/google/gerrit/server/mail/receive/data/HtmlMimeMessage.java
rename to javatests/com/google/gerrit/mail/data/HtmlMimeMessage.java
index 756581f..1d68cc8 100644
--- a/javatests/com/google/gerrit/server/mail/receive/data/HtmlMimeMessage.java
+++ b/javatests/com/google/gerrit/mail/data/HtmlMimeMessage.java
@@ -12,10 +12,10 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-package com.google.gerrit.server.mail.receive.data;
+package com.google.gerrit.mail.data;
 
-import com.google.gerrit.server.mail.Address;
-import com.google.gerrit.server.mail.receive.MailMessage;
+import com.google.gerrit.mail.Address;
+import com.google.gerrit.mail.MailMessage;
 import java.time.LocalDateTime;
 import java.time.Month;
 import java.time.ZoneOffset;
diff --git a/javatests/com/google/gerrit/server/mail/receive/data/NonUTF8Message.java b/javatests/com/google/gerrit/mail/data/NonUTF8Message.java
similarity index 93%
rename from javatests/com/google/gerrit/server/mail/receive/data/NonUTF8Message.java
rename to javatests/com/google/gerrit/mail/data/NonUTF8Message.java
index 3fafd4b..32915e7 100644
--- a/javatests/com/google/gerrit/server/mail/receive/data/NonUTF8Message.java
+++ b/javatests/com/google/gerrit/mail/data/NonUTF8Message.java
@@ -11,10 +11,10 @@
 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 // See the License for the specific language governing permissions and
 // limitations under the License.
-package com.google.gerrit.server.mail.receive.data;
+package com.google.gerrit.mail.data;
 
-import com.google.gerrit.server.mail.Address;
-import com.google.gerrit.server.mail.receive.MailMessage;
+import com.google.gerrit.mail.Address;
+import com.google.gerrit.mail.MailMessage;
 import java.time.LocalDateTime;
 import java.time.Month;
 import java.time.ZoneOffset;
diff --git a/javatests/com/google/gerrit/server/mail/receive/data/QuotedPrintableHeaderMessage.java b/javatests/com/google/gerrit/mail/data/QuotedPrintableHeaderMessage.java
similarity index 93%
rename from javatests/com/google/gerrit/server/mail/receive/data/QuotedPrintableHeaderMessage.java
rename to javatests/com/google/gerrit/mail/data/QuotedPrintableHeaderMessage.java
index 2dc48b5..47e813a 100644
--- a/javatests/com/google/gerrit/server/mail/receive/data/QuotedPrintableHeaderMessage.java
+++ b/javatests/com/google/gerrit/mail/data/QuotedPrintableHeaderMessage.java
@@ -12,10 +12,10 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-package com.google.gerrit.server.mail.receive.data;
+package com.google.gerrit.mail.data;
 
-import com.google.gerrit.server.mail.Address;
-import com.google.gerrit.server.mail.receive.MailMessage;
+import com.google.gerrit.mail.Address;
+import com.google.gerrit.mail.MailMessage;
 import java.time.LocalDateTime;
 import java.time.Month;
 import java.time.ZoneOffset;
diff --git a/javatests/com/google/gerrit/server/mail/receive/data/RawMailMessage.java b/javatests/com/google/gerrit/mail/data/RawMailMessage.java
similarity index 89%
rename from javatests/com/google/gerrit/server/mail/receive/data/RawMailMessage.java
rename to javatests/com/google/gerrit/mail/data/RawMailMessage.java
index 2af82ad..53c782c 100644
--- a/javatests/com/google/gerrit/server/mail/receive/data/RawMailMessage.java
+++ b/javatests/com/google/gerrit/mail/data/RawMailMessage.java
@@ -12,9 +12,9 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-package com.google.gerrit.server.mail.receive.data;
+package com.google.gerrit.mail.data;
 
-import com.google.gerrit.server.mail.receive.MailMessage;
+import com.google.gerrit.mail.MailMessage;
 import org.junit.Ignore;
 
 /** Base class for all email parsing tests. */
diff --git a/javatests/com/google/gerrit/server/mail/receive/data/SimpleTextMessage.java b/javatests/com/google/gerrit/mail/data/SimpleTextMessage.java
similarity index 97%
rename from javatests/com/google/gerrit/server/mail/receive/data/SimpleTextMessage.java
rename to javatests/com/google/gerrit/mail/data/SimpleTextMessage.java
index aa5b78a..a8f5b94 100644
--- a/javatests/com/google/gerrit/server/mail/receive/data/SimpleTextMessage.java
+++ b/javatests/com/google/gerrit/mail/data/SimpleTextMessage.java
@@ -12,10 +12,10 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-package com.google.gerrit.server.mail.receive.data;
+package com.google.gerrit.mail.data;
 
-import com.google.gerrit.server.mail.Address;
-import com.google.gerrit.server.mail.receive.MailMessage;
+import com.google.gerrit.mail.Address;
+import com.google.gerrit.mail.MailMessage;
 import java.time.LocalDateTime;
 import java.time.Month;
 import java.time.ZoneOffset;
diff --git a/javatests/com/google/gerrit/server/BUILD b/javatests/com/google/gerrit/server/BUILD
index f405c28..569b0b9 100644
--- a/javatests/com/google/gerrit/server/BUILD
+++ b/javatests/com/google/gerrit/server/BUILD
@@ -41,6 +41,7 @@
         "//java/com/google/gerrit/index",
         "//java/com/google/gerrit/index:query_exception",
         "//java/com/google/gerrit/lifecycle",
+        "//java/com/google/gerrit/mail",
         "//java/com/google/gerrit/metrics",
         "//java/com/google/gerrit/reviewdb:server",
         "//java/com/google/gerrit/server",
diff --git a/javatests/com/google/gerrit/server/mail/AutoReplyMailFilterTest.java b/javatests/com/google/gerrit/server/mail/AutoReplyMailFilterTest.java
index a7234f4..f8a613a 100644
--- a/javatests/com/google/gerrit/server/mail/AutoReplyMailFilterTest.java
+++ b/javatests/com/google/gerrit/server/mail/AutoReplyMailFilterTest.java
@@ -16,7 +16,8 @@
 
 import static com.google.common.truth.Truth.assertThat;
 
-import com.google.gerrit.server.mail.receive.MailMessage;
+import com.google.gerrit.mail.Address;
+import com.google.gerrit.mail.MailMessage;
 import com.google.gerrit.testing.GerritBaseTests;
 import java.time.Instant;
 import org.junit.Test;
diff --git a/javatests/com/google/gerrit/server/mail/send/FromAddressGeneratorProviderTest.java b/javatests/com/google/gerrit/server/mail/send/FromAddressGeneratorProviderTest.java
index 7028bb2..f99c356 100644
--- a/javatests/com/google/gerrit/server/mail/send/FromAddressGeneratorProviderTest.java
+++ b/javatests/com/google/gerrit/server/mail/send/FromAddressGeneratorProviderTest.java
@@ -22,12 +22,12 @@
 import static org.easymock.EasyMock.verify;
 
 import com.google.gerrit.common.TimeUtil;
+import com.google.gerrit.mail.Address;
 import com.google.gerrit.reviewdb.client.Account;
 import com.google.gerrit.server.account.AccountCache;
 import com.google.gerrit.server.account.AccountState;
 import com.google.gerrit.server.config.AllUsersName;
 import com.google.gerrit.server.config.AllUsersNameProvider;
-import com.google.gerrit.server.mail.Address;
 import java.util.Arrays;
 import java.util.List;
 import java.util.Optional;
diff --git a/javatests/com/google/gerrit/server/notedb/ChangeNotesStateTest.java b/javatests/com/google/gerrit/server/notedb/ChangeNotesStateTest.java
index 3d65eae..574f6ac 100644
--- a/javatests/com/google/gerrit/server/notedb/ChangeNotesStateTest.java
+++ b/javatests/com/google/gerrit/server/notedb/ChangeNotesStateTest.java
@@ -30,6 +30,7 @@
 import com.google.common.collect.Iterables;
 import com.google.gerrit.common.data.SubmitRecord;
 import com.google.gerrit.common.data.SubmitRequirement;
+import com.google.gerrit.mail.Address;
 import com.google.gerrit.reviewdb.client.Account;
 import com.google.gerrit.reviewdb.client.Change;
 import com.google.gerrit.reviewdb.client.ChangeMessage;
@@ -47,7 +48,6 @@
 import com.google.gerrit.server.cache.proto.Cache.ChangeNotesStateProto.ReviewerByEmailSetEntryProto;
 import com.google.gerrit.server.cache.proto.Cache.ChangeNotesStateProto.ReviewerSetEntryProto;
 import com.google.gerrit.server.cache.proto.Cache.ChangeNotesStateProto.ReviewerStatusUpdateProto;
-import com.google.gerrit.server.mail.Address;
 import com.google.gerrit.server.notedb.ChangeNotesState.ChangeColumns;
 import com.google.gerrit.server.notedb.ChangeNotesState.Serializer;
 import com.google.gwtorm.client.KeyUtil;
diff --git a/javatests/com/google/gerrit/server/notedb/ChangeNotesTest.java b/javatests/com/google/gerrit/server/notedb/ChangeNotesTest.java
index 3a98127..852c8bc 100644
--- a/javatests/com/google/gerrit/server/notedb/ChangeNotesTest.java
+++ b/javatests/com/google/gerrit/server/notedb/ChangeNotesTest.java
@@ -35,6 +35,7 @@
 import com.google.common.collect.Lists;
 import com.google.gerrit.common.TimeUtil;
 import com.google.gerrit.common.data.SubmitRecord;
+import com.google.gerrit.mail.Address;
 import com.google.gerrit.reviewdb.client.Account;
 import com.google.gerrit.reviewdb.client.Branch;
 import com.google.gerrit.reviewdb.client.Change;
@@ -50,7 +51,6 @@
 import com.google.gerrit.server.IdentifiedUser;
 import com.google.gerrit.server.ReviewerSet;
 import com.google.gerrit.server.config.GerritServerId;
-import com.google.gerrit.server.mail.Address;
 import com.google.gerrit.server.notedb.ChangeNotesCommit.ChangeNotesRevWalk;
 import com.google.gerrit.server.util.RequestId;
 import com.google.gerrit.testing.TestChanges;
diff --git a/javatests/com/google/gerrit/server/notedb/CommitMessageOutputTest.java b/javatests/com/google/gerrit/server/notedb/CommitMessageOutputTest.java
index db7035b..963546f 100644
--- a/javatests/com/google/gerrit/server/notedb/CommitMessageOutputTest.java
+++ b/javatests/com/google/gerrit/server/notedb/CommitMessageOutputTest.java
@@ -20,10 +20,10 @@
 
 import com.google.common.collect.ImmutableList;
 import com.google.gerrit.common.TimeUtil;
+import com.google.gerrit.mail.Address;
 import com.google.gerrit.reviewdb.client.Account;
 import com.google.gerrit.reviewdb.client.Change;
 import com.google.gerrit.server.CurrentUser;
-import com.google.gerrit.server.mail.Address;
 import com.google.gerrit.server.util.RequestId;
 import com.google.gerrit.testing.ConfigSuite;
 import com.google.gerrit.testing.TestChanges;