1.System.Web.Mail
http://www.csdn.net/Develop/Read_Article.asp?Id=21402
http://www.csdn.net/Develop/Read_Article.asp?Id=12658
2.jmail
http://www.csdn.net/Develop/Read_Article.asp?Id=18794
http://www.csdn.net/Develop/Read_Article.asp?Id=17368
http://www.csdn.net/Develop/Read_Article.asp?Id=21402
http://www.csdn.net/Develop/Read_Article.asp?Id=12658
2.jmail
http://www.csdn.net/Develop/Read_Article.asp?Id=18794
http://www.csdn.net/Develop/Read_Article.asp?Id=17368
的Internet & Web 部分,关于 ftp,发收邮件,邮件服务器等的都有