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最近发往英国的邮件被拒绝了,邮件服务器IP做了反向解析了,
nslookup 221.122.61.232
Server: 10.10.1.2
Address: 10.10.1.2#53
Non-authoritative answer:
232.61.122.221.in-addr.arpa name = mail.bwstor.com.cn.
232.61.122.221.in-addr.arpa name = mail.nrchpc.ac.cn.
nslookup mail.bwstor.com.cn
Server: 10.10.1.2
Address: 10.10.1.2#53
** server can't find mail.bwstor.com.cn: NXDOMAIN
[root@mx named]# nslookup mail.nrchpc.ac.cn
Server: 10.10.1.2
Address: 10.10.1.2#53
Non-authoritative answer:
Name: mail.nrchpc.ac.cn
Address: 221.122.61.232
报错信息如下:
----- The following addresses had permanent fatal errors ----- <a.jack@imperial.ac.uk>
(reason: 550-Verification failed for <xxx@bwstor.com.cn>)
----- Transcript of session follows ----- ... while talking to mx4.cc.ic.ac.uk.:
>>> MAIL From:<xxx@bwstor.com.cn> SIZE=3295
<<< 550-Verification failed for <xxx@bwstor.com.cn> <<< 550-It appears that the DNS operator for bwstor.com.cn <<< 550-has installed an invalid MX record with an IP address <<< 550-instead of a domain name on the right hand side.
<<< 550 Sender verify failed
554 5.0.0 Service unavailable
用后缀为@nrchpc.ac.cn可以发送,用@bwsto.com.cn就不能发送邮件.请高手帮忙解答,不胜感激 |
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