Summary

Today you explored the JavaMail API classes and their use. You started by learning the protocol used in e-mail systems, and the difference between sending an e-mail message and a JMS message. You also learned how to send, read, and delete e-mail messages, using the JavaMail and JAF APIs. Through a working example, you explored how to develop a simple JavaMail application. You also found out how to develop a complete enterprise application by portioning the application into a Web module (WAR file) and a EJB module (JAR file), and then combining them into an EAR file. You learned how to test your application from your browser through the use of an HTML form.