这个不是用javamail，而是socket，值得一看。

使用Perl写的一个发送和接收email的小程序 -A small Perl app which can receive and send email

这是一个Webmail的源代码，采用C#.net制作的，是学习邮件服务器web端编写的良好参考！-This is a Webmail source code using C#. Net production is studying web-mail servers to prepare a good reference!

web 邮件服务器程序-web mail server

一个完整的web邮件程序，很实用，希望对大家有点启发-An integrated web mail program, it is practical, in the hope that we are a bit enlightening

一个web页面下的发信组件，只能发送文本和html格式的邮件，支持二次开发。-a web page letter under the components, can only send text and html format of the mail, the development of secondary support.

一个功能十分强大的 邮件类，无需依赖 mail() 函数，通过fopen 系列函数实现，并提供 额外功能，如 携带附件，stmp 验证等。注意：是 rar 格式压缩-a function of a very strong class mail, without relying on mail () function, series by fopen function to achieve, and to provide additional features, such as carrying annex, stmp certification. Attention : rar compressed format

gmail-mobile-1.2.zip ,php 的gmail 程序-gmail-mobile-1.2.zip, php procedures for the gmail

简单的邮件发送程序 供初学者编写小型系统参考-Simple e-mail program for beginners to prepare small system reference

一款开源Javawebmail,适合所有java平台-An open source Javawebmail, suitable for all java platform