邮件群发，多台SMTP服务器循环发送，以达到快速大量发送不被封IP的目的！-Bulk mail, send more than one SMTP server loop, in order to achieve the purpose of quickly send a large number of blocked IP!

简单发邮件源码程序，使用客户组件连接邮件服务器，简单的使用smtp协议发送邮件。-Simple e-mail source program, the mail server using the client components are connected , simply use the smtp protocol to send mail.