JavaMail API Release 1.4.2


JavaMail 1.4.2
(March 2, 2009)

The JavaMail 1.4.2 release contains several bug fixes, performance improvements, and enhancements, including:

  • Improvements to InternetAddress parsing.
  • Better support for bogus messages.
  • Significant rewrite of IMAP locking to avoid deadlocks.
  • Reduced memory usage for very large IMAP mailboxes.
  • Message Delivery Notifications parsing support.
  • Simplified SSL support.
  • RFC 2595 server identity check.

Note: Unless you're using Java SE 6, you will also need the JavaBeans Activation Framework (JAF) extension that provides the javax.activation package. We suggest you use version 1.1.1 of JAF, the latest release. JAF is included with Java SE 6.

As usual, send feedback to

Download JavaMail 1.4.2



JavaMail Service Provider Guide
(February 11, 1999)

We are pleased to present the final version of the JavaMail Service Provider Guide. Please send comments to

Comments or Questions?

If you have comments or feedback on the JavaMail API, please send them to


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