使用smtp向邮件服务器发送邮件失败的问题
这是双方通话记录：
>> Connect to SMTP server : smtp.citiz.net
<< 220 Welcome, Netdao MailPro Engin ESMTP
>> EHLO swq
<< 250-Welcome, Netdao MailPro Engin
<< 250-AUTH=LOGIN
<< 250-PIPELINING
<< 250 8BITMIME
>> AUTH LOGIN
<< 334 VXNlcm5hbWU6
>> OTk0NTIwMTQ=
<< 334 UGFzc3dvcmQ6
>> c3dxMTU1
<< 235 go ahead
>> MAIL FROM: 99452014@citiz.net
<< 250 ok
>> RCPT TO: 99452014@citiz.net
<< 250 ok
>> DATA
<< 354 go ahead
>> To: 99452014@citiz.net
From: 99452014@citiz.net
Subject: test
Hello, this is a test letter!
.
<< 451 Message doesn't conform to the EMIME standard.
发送失败！
