大家帮我看看这个日志是什么问题？

starry

MDaemon is configured to automatically retry delivery at configured intervals.  Subsequent attempts to deliver this message are pending.

Failed address: chris@tetro.cn;

--- Session Transcript ---
Mon 2010-11-22 16:35:22: Parsing message <xxxxxxxxxxxxxxxxxxxxxxxx\pd50000000010.msg>
Mon 2010-11-22 16:35:22: *  From: chris@starry.com.cn  Mon 2010-11-22 16:35:22: *  To: chris@tetro.cn  Mon 2010-11-22 16:35:22: *  Subject: FW: about follow me  Mon 2010-11-22 16:35:22: *  Size (bytes): 26577  Mon 2010-11-22 16:35:22: *  Message-ID:
<A7BB48D1F09C44E1AD59D33F1FD3ED53@strchris>
Mon 2010-11-22 16:35:22: Attempting SMTP connection to [tetro.cn]  Mon 2010-11-22 16:35:22: Resolving MX records for [tetro.cn] (DNS Server:
202.181.202.140)...
Mon 2010-11-22 16:35:22: *  Ignoring irrelevant RR, mail.tetro.cn P=001  Mon 2010-11-22 16:35:22: *  No MX records available; delivering directly to host  Mon 2010-11-22 16:35:22: Attempting SMTP connection to [tetro.cn:25]  Mon 2010-11-22 16:35:22: Resolving A record for [tetro.cn] (DNS Server:
202.181.202.140)...
Mon 2010-11-22 16:35:22: *  D=tetro.cn TTL=(4) A=[203.186.105.204]  Mon 2010-11-22 16:35:22: Attempting SMTP connection to [203.186.105.204:25]  Mon 2010-11-22 16:35:22: *  203.186.105.204 in connection failure cache for up to 5 minutes due to previous connection failure(s)  Mon 2010-11-22 16:35:22: This message is 63 minutes old; it has 0 minutes left in this queue  Mon 2010-11-22 16:35:22: Remote queue lifetime exceeded; message placed in retry queue
--- End Transcript ---

从日志看是没有找到域tetro.cn的MX记录，但我的MX记录是做好了的啊，大家可用nslookup帮我检查一下，谢谢！

398312463

把对方的域加到MX缓存吧。
设置---默认域和服务器---DNS--编辑MX缓存。

starry

谢谢回复,,,,从日志看是我的域tetro.cn的MX记录没找到,为什么加对方域的MX记录到缓存里呢?