基于asp.net的邮件收发管理系统的设计 本设计详细的完成了邮件收发的功能，写邮件/收邮件/邮件地址保存等功能-Asp.net based e-mail sending and receiving management system designed to complete the design of the detailed functions of sending and receiving e-mail, write e-mail/incoming mail/e-mail addre