The only Transport (for sending mail) provided with JavaMail uses theSMTP protocol. The primary documentation for the SMTP Transport is inthe javadocs for thecom.sun.mail.smtp package.Be sure to read the package level javadocs, which describe theproperties you can set, as well as the javadocs for the individualclasses in the package.
This page is currently a placeholder for more information about theSMTP Transport.