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.), send Inc. (SOHU), etc. must be filled out for the domain name or IP. For VB programmer's reference.