Python实现的本机SMTP服务器，监听标准25端口，将收到的邮件自动压缩成ZIP保存到mails目录下，非常方便用于本机调试各种网络程序。-Python implementation native SMTP server listens on the standard port 25, the incoming mail automatically compressed into the next ZIP mails saved directory, very convenient for native debugging a variety of network programs.