发往瑞士的退信，但是收他们的信没有问题，给对方就退信。
--- Session Transcript ---
Fri 2008-06-13 09:51:25: Parsing message
<xxxxxxxxxxxxxxxxxxxxxxxx\pd35000080417.msg>
Fri 2008-06-13 09:51:25: * From: danielli##insightpr.com
Fri 2008-06-13 09:51:25: * To: avanveen##proi.com
Fri 2008-06-13 09:51:25: * Subject:
=?gb2312?B?tPC4tDogQXBwbGljYXRpb24gLSBQUk9J?=
Fri 2008-06-13 09:51:25: * Message-ID:
Fri 2008-06-13 09:51:25: 试图 SMTP 连接到 [proi.com]
Fri 2008-06-13 09:51:25: 正在解析 [proi.com] MX 记录 (DNS 服务器：
202.106.0.20)...
Fri 2008-06-13 09:51:25: * P=010 S=001 D=proi.com TTL=(37)
MX=[corp-mail.uniserve.com] {216.113.192.13}
Fri 2008-06-13 09:51:25: * P=020 S=000 D=proi.com TTL=(37) MX=[corp-mail2.
uniserve.com] {216.113.192.13}
Fri 2008-06-13 09:51:25: 试图 SMTP 连接到 [216.113.192.13:25]
Fri 2008-06-13 09:51:25: 正在等待套接字连接...
Fri 2008-06-13 09:51:25: * 连接已建立（192.168.20.11:4562 -> 216.113.192.
13:25）
Fri 2008-06-13 09:51:25: 正在等待协议启动...
Fri 2008-06-13 09:51:26: <-- 220 mx2.uniserve.ca ESMTP Thu, 12 Jun 2008
18:48:48 -0700
Fri 2008-06-13 09:51:26: --> EHLO mail.insight.com
Fri 2008-06-13 09:51:26: <-- 250-mx2.uniserve.ca Hello mail.insight.com
[211.152.109.65]
Fri 2008-06-13 09:51:26: <-- 250-SIZE 50000000
Fri 2008-06-13 09:51:26: <-- 250-PIPELINING
Fri 2008-06-13 09:51:26: <-- 250-AUTH PLAIN LOGIN
Fri 2008-06-13 09:51:26: <-- 250 HELP
Fri 2008-06-13 09:51:26: --> MAIL From:<danie##insight.com>
SIZE=38239
Fri 2008-06-13 09:51:27: <-- 250 OK
Fri 2008-06-13 09:51:27: --> RCPT To:<avanveen##proi.com>
Fri 2008-06-13 09:51:27: <-- 550-Verification failed for
<danie##insight.com>
Fri 2008-06-13 09:51:27: <-- 550-It appears that the DNS operator for
insight.com
Fri 2008-06-13 09:51:27: <-- 550-has installed an invalid MX record with an
IP address
Fri 2008-06-13 09:51:27: <-- 550-instead of a domain name on the right hand
side.
Fri 2008-06-13 09:51:27: <-- 550 Sender verify failed
Fri 2008-06-13 09:51:27: --> QUIT
--- End Transcript ---
