求翻译：本系统主要使用java，jsp语言进行开发，使用了Struts框架，使开发非常的方便和容易理解。用户可以进行邮件的收，发，存储，删除，转发，搜索等，其中用到了James做邮件服务器，James支持SMTP，POP等标准的Email协议，其中的Mailet API可以提供邮件的检查和相关的处理功能，邮件本身的基本操作还用到了Javemail技术。用户还可以添加，删除，修改联系人，添加，删除联系人分组等，其中用到了Tomcat做web服务器，mysql做数据库，用来对用户和联系人的相关信息进行操作。是什么意思？

The system mainly use java, jsp language development, using the struts framework, development is very convenient and easy to understand. User can e-mail received, send, store, delete, forward, search, use james to do a mail server, james supports standard email protocols such as smtp, pop, mailet ap

This system is mainly using Java, JSP, use language to develop a framework to make development Struts are very convenient and easy to understand. You can mail in your Inbox, delete, Store, search, and so, forward, and with them the James do the mail server, James SMTP support, POP Email standards su

The system mainly uses Java,JSP language for development, using Struts framework, developed a very convenient and easy to understand. Mail-users can receive, send, save, delete, forward, search, and so on, to the James mail server, James supports standard Email protocols such as SMTP,POP, Mailet API