550 Sender verify failed!

zhengfeng2100

各位，誰幫忙確定一下，這是不是絕大多數都是因為dns錯誤引起的？？<br>
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--- Session Transcript ---<br>Thu 2004-09-30 10:05:08: Parsing Message <xxxxxxxxxxxxxxxxxx\pd50000001292.msg><br>Thu 2004-09-30 10:05:08: From: zfeng@senyun.cn<br>Thu 2004-09-30 10:05:08: To: vincent@arrkshangent.com<br>Thu 2004-09-30 10:05:08: Subject: RE: test<br>Thu 2004-09-30 10:05:08: Message-ID: <PCELIGIJAHFAGGJKINOPAEMPCAAA.zfeng@senyun.cn><br>Thu 2004-09-30 10:05:08: MX-record resolution of [arrkshangent.com] in progress (DNS Server: 192.168.1.1)...<br>Thu 2004-09-30 10:05:08: P=010 D=arrkshangent.com TTL=(19) MX=[arrkshangent.com] {66.197.156.77}<br>Thu 2004-09-30 10:05:08: Attempting MX: P=010 D=arrkshangent.com TTL=(19) MX=[arrkshangent.com] {66.197.156.77}<br>Thu 2004-09-30 10:05:08: Attempting SMTP connection to [66.197.156.77 : 25]<br>Thu 2004-09-30 10:05:08: Waiting for socket connection...<br>Thu 2004-09-30 10:05:08: Socket connection established (192.168.1.10 : 19741 -> 66.197.156.77 : 25)<br>Thu 2004-09-30 10:05:08: Waiting for protocol initiation...<br>Thu 2004-09-30 10:05:09: <-- 220-go3.dr-mann.com ESMTP Exim 4.34 #1 Thu, 30 Sep 2004 10:07:25 +0800<br>Thu 2004-09-30 10:05:09: <-- 220-We do not authorize the use of this system to transport unsolicited,<br>Thu 2004-09-30 10:05:09: <-- 220 and/or bulk e-mail.<br>Thu 2004-09-30 10:05:09: --> EHLO senyun.cn<br>Thu 2004-09-30 10:05:10: <-- 250-go3.dr-mann.com Hello senyun.cn [221.6.86.66]<br>Thu 2004-09-30 10:05:10: <-- 250-SIZE 52428800<br>Thu 2004-09-30 10:05:10: <-- 250-PIPELINING<br>Thu 2004-09-30 10:05:10: <-- 250-AUTH PLAIN LOGIN<br>Thu 2004-09-30 10:05:10: <-- 250-STARTTLS<br>Thu 2004-09-30 10:05:10: <-- 250 HELP<br>Thu 2004-09-30 10:05:10: --> MAIL From:<zfeng@senyun.cn> SIZE=5169<br>Thu 2004-09-30 10:05:10: <-- 250 OK<br>Thu 2004-09-30 10:05:10: --> RCPT To:<vincent@arrkshangent.com><br>Thu 2004-09-30 10:05:11: <-- 550-Verification failed for <zfeng@senyun.cn><br>Thu 2004-09-30 10:05:11: <-- 550-unrouteable mail domain "senyun.cn"<br>Thu 2004-09-30 10:05:11: <-- 550 Sender verify failed