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This article will explain in detail the sample analysis of JavaMail and JAF for everyone, Xiaobian feels quite practical, so share it for everyone to make a reference, I hope you can gain something after reading this article.

1. Introduction:

The development of the Java Mail api is a good example of SUN's ongoing efforts to provide Java developers with a common API framework. Advocating for a common framework versus vendor-bound solutions signals an increasingly open development environment.

The structure of the Java Mail API itself justifies one of its developers 'fundamental goals--that the amount of effort involved in software development should depend on the complexity of the application itself and the degree of control required by the developer. In other words, the Java Mail API is kept as simple as possible. At first glance, the total number of classes owned by the JavaMail API and the relationships between classes can be misinterpreted as taking a long time to learn. In fact, once you get started, you'll find the API a simple tool for adding robust mail/messaging support to your application.

2. Installation:

Make sure you have standard versions of jdk and web server installed and configured before installing them, refer to other articles (available online) for instructions on how to install them.

(1). Install JavaMail API. The most commonly used version of the JavaMail API is 1.3.

To use the JavaMail 1.3 API, download the JavaMail 1.3 implementation, unzip the Javamail-1_3.zip file, and add the mail.jar file to CLASSPATH. In addition to the core classes, SMTP, IMAP4, and POP3 vendors are provided with the version 1.3 implementation.

(2). Installation of JavaBeans Activation framework(version 1.0.2)

All versions of the JavaMail API require the JavaBeans Activation Framework to support the input and processing of arbitrary blocks of data. It may not seem like much, but this basic MIME type support can be found in many browsers and mail tools today. After downloading the framework, unzip the jaf1_0_2.zip file and add the activation.jar file to CLASSPATH.

Note: If the JDK you are using is J2EE, there is nothing specific that you cannot do with the basic JavaMail API; the J2EE class handles it because it contains the JavaMail API and JAF itself, you just need to make sure that the j2ee.jar file is added to your CLASSPATH and set up.

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