请帮忙看看这个错误日志是什么！！

kkek_undo

This server is configured to automatically retry delivery at configured<br>
intervals. Subsequent attempts to deliver this message are pending.<br>
<br>
Failed address: greenyli@XXX.com<br>
<br>
--- Session Transcript ---<br>Sat 2005-07-23 17:33:05: Parsing Message <xxxxxxxxxxxxxxxxxx\pd50000024364.msg><br>Sat 2005-07-23 17:33:05: From: ABC@abc.cn<br>Sat 2005-07-23 17:33:05: To: greenyli@XXX.com<br>Sat 2005-07-23 17:33:05: Subject: Re: [***SPAM*** Score/Req: 05.20/05.00] question<br>Sat 2005-07-23 17:33:05: Message-ID: <000801c58f60$5954a8c0$2705a8c0@kkek><br>Sat 2005-07-23 17:33:05: MX-record resolution of [microtipsdg.com] in progress (DNS Server: 202.96.128.68)...<br>Sat 2005-07-23 17:33:15: 10 second wait for DNS response exceeded (attempt 1 of 3).<br>Sat 2005-07-23 17:33:15: MX-record resolution of [microtipsdg.com] in progress (DNS Server: 211.95.193.97)...<br>Sat 2005-07-23 17:33:15: Name server has no records of the requested type for that domain.<br>Sat 2005-07-23 17:33:15: Attempting SMTP connection to [XXX.com : 25]<br>Sat 2005-07-23 17:33:15: A-record resolution of [XXX.com] in progress (DNS Server: 211.95.193.97)...<br>Sat 2005-07-23 17:33:15: D=microtipsdg.com TTL=(268) A=[211.20.25.170]<br>Sat 2005-07-23 17:33:15: Attempting SMTP connection to [211.20.25.170 : 25]<br>Sat 2005-07-23 17:33:15: Waiting for socket connection...<br>Sat 2005-07-23 17:33:36: Winsock Error 10060 The connection timed out.<br>Sat 2005-07-23 17:33:36: This message is 66 minutes old; it has 0 minutes left in this queue<br>Sat 2005-07-23 17:33:36: Primary queue lifetime exceeded; message placed in retry queue

hshletter

你telnet到对方25端口，看能不能连上，如果连不上的话，估计是被对方加入了黑名单

kkek_undo

发信给别的邮箱都没问题，但唯独发这个邮箱时总是会收到这样的回执！