一个用VC代码实现的SMTP邮件发送程序，跟邮件服务器有握手通信过程-a VC source implementation of the SMTP mail procedures, with a handshake mail server communication process

WEB邮件系统补丁，结合JAMES、POSTFIX等，可构建企业邮件系统性-WEB mail system patches, combined with JAMES, POSTFIX, can systematically build enterprise e-mail

可以一键群发邮箱，支持QQ邮箱，自动换账号，秒发送，带发送失败回执反馈(Can be one-click group mailbox, support QQ mailbox, automatic account change, seconds to send, with send failure feedback)