我自己用java编写的简单邮件系统，包括服务端和客户端，完成邮件系统的简单功能，对于学习java网络和swing编程会有一些帮助的-my own use java prepared by the simple mail system, including the server and client, the completion of a simple mail system function, learning java programming networks and swing some

开源的邮件服务系统，不错，值得研究,已经支持IPV6，大家可以下下来看一看-open-source e-mail systems, it is true, it is worth studying, IPv6 support, we can look down under