telnet mail

 <b>telnet mail</b>

[root@station2 ~]# <b>telnet station2.example.com 25</b>

<b></b>

Trying 127.0.0.1...

Connected to localhost.localdomain (127.0.0.1).

Escape character is '^]'.

220 station2.example.com ESMTP Postfix

<b>HELO station2.example.com                  </b>#开始进行通讯

<b>mail from: [email protected]  </b>#通知邮件来源

250 2.1.0 Ok

<b>rcpt to: [email protected]    </b>#邮件目的地址

250 2.1.5 Ok

<b>data                                       </b>#邮件内容<b></b>

354 End data with &lt;CR&gt;&lt;LF&gt;.&lt;CR&gt;&lt;LF&gt;

<b>from:guest2001           </b>#from:是发信人的标志<b></b>

<b>to:guest2002             #</b>to:是收信人的标志<b></b>

<b>date:3/29/2011           </b>#date：发信日期

<b>subject:Hello,guest2002  </b>#subject:信的主题；

Hello,guest2002

  I am guest2001!

       Yours Friend!^H

       Guest2001!

<b>.                       </b>#输入”.”,再按回车，结束邮件内容编辑

250 2.0.0 Ok: queued as 9E8BB5555E6

<b>quit                   </b>#退出并发送邮件

221 2.0.0 Bye

Connection closed by foreign host.

本文转自netsword 51CTO博客，原文链接:http://blog.51cto.com/netsword/529305