Content-Type: text/x-zim-wiki
Wiki-Format: zim 0.4
Creation-Date: 2011-05-23T09:55:16+08:00

====== telnet smtp ======
Created Monday 23 May 2011

Welcome to the Emacs shell

~ $ __telnet smtp.qq.com smtp__
Trying 222.202.96.96...
Connected to smtp.qq.com.
Escape character is '^]'.
220 esmtp4.qq.com Esmtp QQ Mail Server
__HELO smtp.qq.com __  //向SMTP server打招呼
HELO smtp.qq.com   //回显
250 esmtp4.qq.com  //更正提示
__AUTH LOGIN__		//用户登录请求，认证方式为LOGIN
AUTH LOGIN
334 VXNlcm5hbWU6  //需要认证提示
__Z2Vla2FyZA==    __ //base64加密的用户名
Z2Vla2FyZA==
334 UGFzc3dvcmQ6  
__aG80bzQ0		__//base64加密的密码
aG80bzQ0
235 Authentication successful
__MAIL from: <geekard@gmail.com> __//发送者
MAIL from: <geekard@gmail.com>
501 mail from address must be same as authorization user //错误提示
__MAIL from: <geekard@qq.com>__ //必须和认证时提供的邮箱相同
MAIL from: <geekard@qq.com>
250 Ok
__RCPT TO: <geekard@gmail.com>__ //接收者
RCPT TO: <geekard@gmail.com>
250 Ok
__DATA	__//写邮件内容(包括主题等)
DATA
354 End data with <CR><LF>.<CR><LF>
__Subject: test mail from telnet. __ //主题
Subject: test mail from telnet.
__CC: geekard@qq.com  __//抄送
CC: geekard@qq.com
__test mail from telnet.  __//邮件正文
test mail from telnet.
__.__		//单独点号结束正文
.
250 Ok: queued as 
__quit__		//发送结束
quit
221 Bye
Connection closed by foreign host.
~ $ 

PS：base64在线生成小工具：http://www.sharejs.com/tooldetails-162.aspx