用。NETC语言#邮寄小样品源代码编写，代码小，哈哈…

代码说明：

用.netc#语言写的邮件收发小样例源代码,代码短小精悍,具备了核心扩展部分.再经过扩展就可以使用了-used. Netc# language written by mail small sample source code, code small and have a core extension. After a further extension can use it