发送的邮件被退回

mcs

我们公司员工发送的邮件部分被退回了.请教可能是什么原因.

-----邮件原件-----
发件人: MDaemon@kgish.com [mailto:MDaemon@kgish.com]
发送时间: 2006年6月27日 11:57
收件人: maria@kgish.com
主题: Permanent Delivery Failure

The attached message had PERMANENT fatal delivery errors!

After one or more unsuccessful delivery attempts the attached message has
been removed from the mail queue on this server.  The number and frequency
of delivery attempts are determined by local configuration parameters.

YOUR MESSAGE WAS NOT DELIVERED TO ONE OR MORE RECIPIENTS!

Failed address: vily.leung@chinaffl.com

--- Session Transcript ---
Tue 2006-06-27 11:55:41: Parsing Message <xxxxxxxxxxxxxxxxxx\pd50000220384.
msg>
Tue 2006-06-27 11:55:41: From: maria@kgish.com
Tue 2006-06-27 11:55:41: To: vily.leung@chinaffl.com
Tue 2006-06-27 11:55:41: Subject: =?gb2312?B?1tC5+s/jvqvP48HPsN23w7qv?=
Tue 2006-06-27 11:55:41: Message-ID:
Tue 2006-06-27 11:55:41: MX-record resolution of [chinaffl.com] in progress
(DNS Server: 172.20.2.2)...
Tue 2006-06-27 11:55:51: 10 second wait for DNS response exceeded (attempt
1 of 3).
Tue 2006-06-27 11:55:51: MX-record resolution of [chinaffl.com] in progress
(DNS Server: 209.96.199.132)...
Tue 2006-06-27 11:55:53: Packet from DNS server contained an outdated
response
Tue 2006-06-27 11:56:01: 10 second wait for DNS response exceeded (attempt
2 of 3).
Tue 2006-06-27 11:56:01: MX-record resolution of [chinaffl.com] in progress
(DNS Server: 172.20.2.2)...
Tue 2006-06-27 11:56:01: P=000 D=chinaffl.com TTL=(239) MX=[chinaffl.com]
{202.153.106.168}
Tue 2006-06-27 11:56:01: Attempting MX: P=000 D=chinaffl.com TTL=(239)
MX=[chinaffl.com] {202.153.106.168}
Tue 2006-06-27 11:56:01: Attempting SMTP connection to [202.153.106.168 :
25]
Tue 2006-06-27 11:56:01: Waiting for socket connection...
Tue 2006-06-27 11:56:01: Socket connection established (172.20.7.162 : 1192
-> 202.153.106.168 : 25)
Tue 2006-06-27 11:56:01: Waiting for protocol initiation...
Tue 2006-06-27 11:56:03: <-- 220-mars.01link.net ESMTP Exim 4.52 #1 Tue, 27
Jun 2006 11:56:04 +0800
Tue 2006-06-27 11:56:03: <-- 220-We do not authorize the use of this system
to transport unsolicited,
Tue 2006-06-27 11:56:03: <-- 220 and/or bulk e-mail.
Tue 2006-06-27 11:56:03: --> EHLO kgish.com
Tue 2006-06-27 11:56:03: <-- 250-mars.01link.net Hello kgish.com
[210.51.21.23]
Tue 2006-06-27 11:56:03: <-- 250-SIZE 52428800
Tue 2006-06-27 11:56:03: <-- 250-PIPELINING
Tue 2006-06-27 11:56:03: <-- 250-AUTH PLAIN LOGIN
Tue 2006-06-27 11:56:03: <-- 250-STARTTLS
Tue 2006-06-27 11:56:03: <-- 250 HELP
Tue 2006-06-27 11:56:03: --> MAIL From:<maria@kgish.com> SIZE=14293
Tue 2006-06-27 11:56:03: <-- 250 OK
Tue 2006-06-27 11:56:03: --> RCPT To:<vily.leung@chinaffl.com>
Tue 2006-06-27 11:56:48: <-- 550-Verification failed for <maria@kgish.com>
Tue 2006-06-27 11:56:48: <-- 550-unrouteable mail domain "kgish.com"
Tue 2006-06-27 11:56:48: <-- 550 Sender verify failed
--- End Transcript ---
: Message contains [1] file attachments