JavaMail Reference Implementation

The JavaMail API provides a platform-independent and protocol-independent framework to build mail and messaging applications. The JavaMail API is available as an optional package for use with the Java SE platform and is also included in the Java EE platform.

Table of Contents

Latest News

August 29, 2018 - JavaMail 1.6.2 Final Release

The 1.6.2 release contains bug fixes and enhancements, including the following significant changes:

  • Support loading protocol providers using ServiceLoader
  • http proxy support should support authenticating to the proxy server

Note that the JavaMail project will be moving to the Eclipse Foundation as part of the Eclipse Enterprise for Java project over the next several weeks. Future releases will be done as part of the Eclipse project for JavaMail.

April 28, 2017 - JavaMail moves to GitHub!

Welcome to the new home of the JavaMail API project on GitHub! This project hosts the downloads and source code for the JavaMail API reference implementation. The JavaMail reference implementation is licensed under the Common Development and Distribution License (CDDL) v1.1 and GNU General Public License (GPL) v2 with Classpath Exception.

By contributing to this project, you agree to these additional terms of use, described in CONTRIBUTING.

Download JavaMail Release

The latest release of JavaMail is 1.6.2.

The following table provides easy access to the latest release. Most people will only need the main JavaMail reference implementation in the javax.mail.jar file.

Item Description
javax.mail.jar The JavaMail reference implementation, including the SMTP, IMAP, and POP3 protocol providers
README.txt Overview of the release
NOTES.txt Additional notes about using JavaMail
SSLNOTES.txt Notes on using SSL/TLS with JavaMail
NTLMNOTES.txt Notes on using NTLM authentication with JavaMail
CHANGES.txt Changes since the previous release
COMPAT.txt Important notes about compatibility

In addition, the JavaMail jar files are published to the Maven repository. The main JavaMail jar file, which is all most applications will need, can be included using this Maven dependency:


You can find all of the JavaMail jar files in both the Maven repository, and in Maven Central.

jar file groupId artifactId Description
javax.mail.jar com.sun.mail javax.mail The JavaMail reference implementation jar file, including the SMTP, IMAP, and POP3 protocol providers
javax.mail-api.jar javax.mail javax.mail-api The JavaMail API definitions only, suitable for compiling against; use only with a Maven “provided” dependency scope
mailapi.jar com.sun.mail mailapi The JavaMail reference implementation with no protocol providers; use with one of the following providers
smtp.jar com.sun.mail smtp The SMTP protocol provider
imap.jar com.sun.mail imap The IMAP protocol provider
pop3.jar com.sun.mail pop3 The POP3 protocol provider
gimap.jar com.sun.mail gimap An EXPERIMENTAL Gmail IMAP protocol provider that supports Gmail-specific features
dsn.jar com.sun.mail dsn Support for parsing and creating messages containing Delivery Status Notifications
logging-mailhandler.jar com.sun.mail logging-mailhandler A java.util.logging handler that uses JavaMail, suitable for use in Google App Engine.

API Documentation

The JavaMail API is defined through the Java Community Process as JSR 919.

The JavaMail API documentation is available here and the JavaMail specification is available here.

The following documents summarize the API changes in each release of the JavaMail API specification:


Some sample programs showing how to use the JavaMail APIs are available here.


Please read the JavaMail FAQ! Read it again. Tell everyone you know to read it. Thank you!

You can search for and post questions to the JavaMail OTN forum. You can also subscribe to the mailing list.

Or, post a question on Stack Overflow using the javamail tag.

Finally, you can send mail directly to the JavaMail team at


JavaMail bugs are tracked in the GitHub JavaMail project issue tracker.

Development Releases

From time to time snapshot releases of the next version of JavaMail under development are published to the Maven repository. These snapshot releases have received only minimal testing, but may provide previews of bug fixes or new features under development.

For example, you can download the javax.mail.jar file from the JavaMail 1.6.3-SNAPSHOT release here. Be sure to scroll to the bottom and choose the jar file with the most recent time stamp.

JavaMail for Android

The latest release includes support for JavaMail on Android. See the Android page for details.

Project Documentation

You’ll find more information about the protocol providers supported by JavaMail on the following pages:

If you’re interested in writing your own protocol provider (most people won’t need to), you can find more documentation on protocol providers here.

The use of OAuth2 authentication with JavaMail is described here.

The following pages provide hints and tips for using particular mail servers:

The following pages provide hints and tips for using JavaMail on particular operating systems or environments:

See Build Instructions for instructions on how to download and build the most recent JavaMail source code. You can also find a bundle of the source code for the most recent JavaMail release in the Releases area of this project.

If you’re interested in contributing to JavaMail, see the Contributions page.

You can find a list of products related to JavaMail on the Third Party Products page.

Please see our page of links to additional information about JavaMail and Internet email and our list of books about JavaMail and Internet email.

To understand the JavaMail license, see the License page.