JavaMail is the J2EE standard set of APIs for interfacing with email systems. JavaMail specifies a plug-and-play architecture that supports various email protocol implementations including POP3, SMTP, and others. The WebLogic Server implementation of JavaMail includes implementations of SMTP and IMAP. WebLogic Server JavaMail is available as a standard part of the WebLogic Server environment.
WebLogic Server Version 6.0 does not include a native POP3 provider. To use JavaMail to access POP3 mail, download the POP3 provider available on the Java Web site at http://java.sun.com/products/javamail/.
The JavaMail API for WebLogic Server applications has four major components, which we cover in the following sections.