邮件收发功能，并且带有抄送密送功能。可以设置smtp和pop-E-mail sending and receiving functions, and with Cc Bcc function. Can set the smtp and pop

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.