主域可以发送但次域被退回

dmhy

各位高手帮我看看这个问题
邮件系统有一个主域几个次域,用的是固定IP,IP已经做了反解析.主域发送邮件到国外一个地址没问题,可次域发送到同一个地址被退回,日值显示如下:
10:26 13:11 SMTP-(438f00000ccc47c8) processing e:\IMail\spool\Q438f00000e3047b8.GSC
10:26 13:11 SMTP-(438f00000ccc47c8) Trying *****.co.uk (0)
10:26 13:12 SMTP-(438f00000ccc47c8) MX connect fail "62.25.120.110"
10:26 13:12 SMTP-(438f00000ccc47c8) Connect *****.co.uk [195.92.193.160:25] (1)
10:26 13:12 SMTP-(438f00000ccc47c8) 220 mailrelaym3.core.theplanet.net ESMTP Exim 3.36 #2 Thu, 26 Oct 2006 06:11:56 +0100
10:26 13:12 SMTP-(438f00000ccc47c8) >EHLO *****.cn
10:26 13:12 SMTP-(438f00000ccc47c8) 250-mailrelaym3.core.theplanet.net Hello *****.cn [218.75.**.**]
10:26 13:12 SMTP-(438f00000ccc47c8) 250-SIZE
10:26 13:12 SMTP-(438f00000ccc47c8) 250-PIPELINING
10:26 13:12 SMTP-(438f00000ccc47c8) 250 HELP
10:26 13:12 SMTP-(438f00000ccc47c8) >MAIL FROM:<yjw@*****.cn>
10:26 13:12 SMTP-(438f00000ccc47c8) 250 <yjw@*****.cn> is syntactically correct
10:26 13:12 SMTP-(438f00000ccc47c8) >RCPT To:<eholt@*****.co.uk>
10:26 13:12 SMTP-(438f00000ccc47c8) 250 <eholt@*****.co.uk> verified
10:26 13:12 SMTP-(438f00000ccc47c8) >DATA
10:26 13:12 SMTP-(438f00000ccc47c8) 354 Enter message, ending with "." on a line by itself
10:26 13:12 SMTP-(438f00000ccc47c8) >.
10:26 13:12 SMTP-(438f00000ccc47c8) 550 rejected: cannot route to sender <yjw@*****.cn>
10:26 13:12 SMTP-(438f00000ccc47c8) ERR undeliverable 550 rejected: cannot route to sender <yjw@*****.cn>
10:26 13:12 SMTP-(438f00000ccc47c8) SMTP_DELIV_FAILED
10:26 13:12 SMTP-(438f00000ccc47c8) >QUIT
10:26 13:12 SMTP-(438f00000ccc47c8) 221 mailrelaym3.core.theplanet.net closing connection
10:26 13:12 SMTP-(438f00000ccc47c8) Creating message from Postmaster
10:26 13:12 SMTP-(438f00000ccc47c8) Delivery process now using new file: 43ac00000cccb670

钉子

请问次域的做了MX解析记录吗?