测试邮件服务器方式(从握手反馈信息看服务器配置)

今天遇到邮件发布出去的问题，通过下面方法测试邮件服务器可得

telnet smtp.163.com 25

Trying 123.125.50.134...

Connected to smtp.163.gslb.netease.com.

Escape character is '^]'.

220 ***********************************************************

EHLO smtp.163.com

250-mail

250-PIPELINING

250-AUTH LOGIN PLAIN  （如果有这两行，代表服务器需要验证登陆，否则不需要）

250-AUTH=LOGIN PLAIN

250-XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXA

250-XXXXXXXB

250 8BITMIME

AUTH LOGIN

334 dXNlcm5hbWU6

milo103<直接用帐号不行，需要用base64编码>

535 Error: authentication failed

bWlsbzEwMw==

502 Error: command not implemented

AUTH LOGIN

334 dXNlcm5hbWU6

。。。。。==<我的帐号>

334 UGFzc3dvcmQ6

。。。。。==<我的密码>

235 Authentication successful

MAIL FROM:<sanroid@gmail.com>

553 You are not authorized to send mail, authentication is required

mail from:<milo103@163.com>

250 Mail OK

data

503 bad sequence of commands

rcpt to:<milo103@163.com>

250 Mail OK

data

354 End data with <CR><LF>.<CR><LF>

noop

to:milo103@163.com

from:milo103@163.com

subject:test by telnet/smtp

test,just a test

.

250 Mail OK queued as smtp4,DtGowLCbDY5xqy9N2hB2AA--.11858S3 1294970103

quit

221 Bye

Connection closed by foreign host.