InfoCenter Home > 4.6.1: Using JavaMailWebSphere Application Server supports JavaMail version 1.1.3 and the JavaBeans Activation Framework (JAF) version 1.0.1. In WebSphere Application Server, JavaMail is supported in all Web application components, namely:
The JavaMail APIs model a mail system. These APIs provide a platform and protocol independent framework to build Java based, e-mail client applications. The JavaMail APIs only provide general mail facilities for reading and sending mail. These APIs require service providers to implement the protocols. In addition to service providers, JavaMail requires the JavaBeans Activation Framework or JAF to handle mail content that is not plain text as, for example, MIME (Multipurpose Internet Mail Extensions), URL (Uniform Resource Locator) pages, and file attachments. The service providers implement specific protocols. For example, SMTP (or Simple Mail Transfer Protocol), is a transport protocol for sending mail. POP3 or Post Office Protocol 3 is the standard protocol for receiving mail. IMAP or Internet Message Access Protocol is an alternative protocol to POP3. The following graphic illustrates the relationship among the different JavaMail components: The dotted line around specific objects represents the grouping that comprises a working JavaMail installation. With the exception of POP3, all the components in the installation view are shipped as part of WebSphere Application Server using the following Sun licensed packages:
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