Java and E-mail - There are a few different ways:

• SmtpClient - Opens a socket connection to a mail server and communicates using the smtp, a low-level protocol. [ Moss.382 ] In sun.net.smtp.SmtpClient, so it is unsupported as vendors need not port it to their machine.
• JavaMail API - Useful package for mail.
• Free Mail classes built on a low-level protocol.

Emphasis is on how to find the data and not what to find.

• javax.mail
  The main classes are [ Moss.387 ]
  • javax.mail.Message : defines addressing info and content type.
  • javax.mail.Folder : defines methods that fetch, coy, apped and delete messages of a folder.
  • javax.mail.Store : defines DB which holds messages and folders.
  • javax.mail.Sesssion : authenticates users and controls access to message store. session = Session.getDefaultInstance(props, null);
• javax.mail.event
• javax.mail.internet
• javax.mail.search