EMAIL群发软件包:
http://www.china-code.net/list.asp?id=4465&cc=bd54d2cb147d04d6257618725bc4eddf951ebb0e&syzf=20c539888c51621c2bdcb4a5542c8068ec87fe3f
http://www.china-code.net/list.asp?id=4465&cc=bd54d2cb147d04d6257618725bc4eddf951ebb0e&syzf=20c539888c51621c2bdcb4a5542c8068ec87fe3f
http://www.codeproject.com/csharp/smtppop3mailserver.asp?target=pop3