diff --git a/WHATSNEW b/WHATSNEW
index 0cb4b9db5..3e4d94ee4 100644
--- a/WHATSNEW
+++ b/WHATSNEW
@@ -34,6 +34,9 @@ Other changes:
  * prefer https over http when building ant itself, and in the ant 
    documentation and sources
 
+ * changed the references and Maven coordinates of JavaMail dependency
+   to Jakarta Mail and thus javax.mail to jakarta.mail - and upgraded
+   the dependency to 1.6.3.
 
 Changes from Ant 1.10.5 TO Ant 1.10.6
 =====================================
diff --git a/fetch.xml b/fetch.xml
index f4b6fa666..44230aa80 100644
--- a/fetch.xml
+++ b/fetch.xml
@@ -329,14 +329,14 @@ Set -Ddest=LOCATION on the command line
     <f2 project="which"/>
   </target>
 
-  <target name="javamail"
-          description="load Java Mail"
+  <target name="jakartamail"
+          description="load Jakarta Mail"
           depends="init">
     <!-- We only need this one dependency as per
-      the project doc https://javaee.github.io/javamail/#Download_JavaMail_Release
+      the project doc https://eclipse-ee4j.github.io/mail/
       This alone should bring in all necessary dependencies (including the API
        jars and the activation jars -->
-    <f2 project="com.sun.mail" archive="javax.mail"/>
+    <f2 project="com.sun.mail" archive="jakarta.mail"/>
   </target>
 
   <target name="jspc"
@@ -397,5 +397,5 @@ Set -Ddest=LOCATION on the command line
   <target name="all"
     description="load all the libraries (except jython)"
     depends="antunit,ivy,logging,junit,junitlauncher,xml,networking,regexp,antlr,bcel,jdepend,bsf,debugging,script,
-      javamail,jspc,jai,xz,netrexx,junit-engine-vintage,junit-engine-jupiter"/>
+      jakartamail,jspc,jai,xz,netrexx,junit-engine-vintage,junit-engine-jupiter"/>
 </project>
diff --git a/lib/libraries.properties b/lib/libraries.properties
index adf5e8ce8..4cad5ec05 100644
--- a/lib/libraries.properties
+++ b/lib/libraries.properties
@@ -50,7 +50,7 @@ jakarta-regexp.version=1.4
 # Later versions of Tomcat provide a jspc task
 jasper-compiler.version=4.1.36
 jasper-runtime.version=${jasper-compiler.version}
-javax.mail.version=1.6.2
+jakarta.mail.version=1.6.3
 jdepend.version=2.9.1
 jruby.version=1.6.8
 junit.version=4.12
diff --git a/manual/Tasks/mimemail.html b/manual/Tasks/mimemail.html
index 308a22d8e..579cc84d5 100644
--- a/manual/Tasks/mimemail.html
+++ b/manual/Tasks/mimemail.html
@@ -31,14 +31,17 @@
 
 <h3>Description</h3>
 <p>Sends SMTP mail with MIME
-attachments.  <a href="https://javaee.github.io/javamail/"
-target="_top">JavaMail</a>
-and <a href="https://github.com/javaee/activation" target="_top">Java
-Activation Framework</a> are required for this task. The Java
+attachments.  <a href="https://eclipse-ee4j.github.io/mail/"
+target="_top">Jakarta Mail</a>
+and <a href="https://eclipse-ee4j.github.io/jaf/" target="_top">Jakarta
+Activation</a> are required for this task. The Java
 Activation Framework is part of the standard class library for Java 6
 to Java 10 but the <code>java.activation</code> module has been
 deprecated in Java 9 and must be enabled explicitly when running on
-Java 10. Alternatively it can be provided as an external library.</p>
+Java 10. Alternatively it can be provided as an external
+library. Javamail has bcome Jakarta Mail and the Java activation
+Framework has become Jakarta Activation and both are part of the
+Jakarta effort at Eclipse.</p>
 <p>Multiple files can be attached using <a href="../Types/fileset.html">FileSets.</a></p>
 <h3>Parameters</h3>
 <table class="attr">
diff --git a/manual/install.html b/manual/install.html
index 5f91b0f39..4938e632b 100644
--- a/manual/install.html
+++ b/manual/install.html
@@ -891,11 +891,11 @@ these tasks available. Please refer to the <a href="#optionalTasks">Installing A
     <td><a href="https://commons.apache.org/bcel/" target="_top">https://commons.apache.org/bcel/</a></td>
   </tr>
   <tr>
-    <td>javax.mail.jar</td>
+    <td>jakarta.mail.jar</td>
     <td><a href="Tasks/mail.html">mail</a> task
       and <em><u>deprecated</u></em> <a href="Tasks/mimemail.html">mimemail</a> task</td>
-    <td><a href="https://javaee.github.io/javamail/"
-           target="_top">https://javaee.github.io/javamail/</a></td>
+    <td><a href="https://eclipse-ee4j.github.io/mail/"
+           target="_top">https://eclipse-ee4j.github.io/mail/</a></td>
   </tr>
   <tr>
     <td>activation.jar<br/>
diff --git a/src/etc/poms/ant-javamail/pom.xml b/src/etc/poms/ant-javamail/pom.xml
index f8055c18e..798c8fd99 100644
--- a/src/etc/poms/ant-javamail/pom.xml
+++ b/src/etc/poms/ant-javamail/pom.xml
@@ -46,10 +46,10 @@ xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/m
     </dependency>
     <dependency>
       <!-- This brings in the necessary dependencies.
-      See https://javaee.github.io/javamail/#Download_JavaMail_Release -->
+      See https://eclipse-ee4j.github.io/mail/ -->
       <groupId>com.sun.mail</groupId>
-      <artifactId>javax.mail</artifactId>
-      <version>1.6.1</version>
+      <artifactId>jakarta.mail</artifactId>
+      <version>1.6.3</version>
       <scope>compile</scope>
     </dependency>
   </dependencies>