JAVA开源邮件收发程序，支持联系人维护，抄送、密送，实现发送带附件邮件，基于swing实现。-JAVA open-source e-mail sending and receiving procedures, support contact maintenance, Cc, Bcc, achieve send an attachment in e-mail, based on swing to achieve.

邮件客户端，收信，发信，转发，附件……界面优美，适合Java新人学习-Mail client, the reader, write, forward, attachment ... ... a beautiful interface, suitable for newcomers to learn Java