The JavaMail 1.4.2 release contains several bug fixes, performance improvements, and enhancements, including:
(February 11, 1999)
We are pleased to present the final version of the JavaMail Service Provider Guide. Please send comments to email@example.com
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 and 7.
You will also need the JavaBeans Activation Framework extension or JAF (javax.activation). We recommend the latest 1.0.2 version.