VB写的发送电子邮件程序，不依靠其它邮件服务器，自建SMTP。本机地址可随便填写（可以发163、126等等），发送搜狐（SOHU）等等的必须填写本机的域名或IP。供VB程序员参考。-VB wrote this e-mail program that does not rely on other mail server, relying on SMTP. The machine address can be readily fill (163,126 can be made, etc.), sen