邮件被拒收日志，请高人指点一下！谢谢！

haikuoly

--- Session Transcript ---
Tue 2008-12-09 10:47:07: Parsing message <xxxxxxxxxxxxxxxxxxxxxxxx\pd35000000631.msg>
Tue 2008-12-09 10:47:07: *  From: XIANGJIN@atnc.com.cn
Tue 2008-12-09 10:47:07: *  To: cog.pekin@maec.es
Tue 2008-12-09 10:47:07: *  Subject:
Tue 2008-12-09 10:47:07: *  Message-ID: <WC20081209014252.2601BA@atnc.com.cn>
Tue 2008-12-09 10:47:07: Attempting SMTP connection to [maec.es]
Tue 2008-12-09 10:47:07: Resolving MX records for [maec.es] (DNS Server: 202.106.0.20)...
Tue 2008-12-09 10:47:07: *  P=010 S=001 D=maec.es TTL=(129) MX=[smtp1.maec.es]
Tue 2008-12-09 10:47:07: *  P=020 S=000 D=maec.es TTL=(129) MX=[smtp2.maec.es]
Tue 2008-12-09 10:47:07: Attempting SMTP connection to [smtp1.maec.es:25]
Tue 2008-12-09 10:47:07: Resolving A record for [smtp1.maec.es] (DNS Server: 202.106.0.20)...
Tue 2008-12-09 10:47:07: *  D=smtp1.maec.es TTL=(415) A=[195.235.13.166]
Tue 2008-12-09 10:47:07: Attempting SMTP connection to [195.235.13.166:25]
Tue 2008-12-09 10:47:07: Waiting for socket connection...
Tue 2008-12-09 10:47:07: *  Connection established (127.0.0.1:4223 -> 195.235.13.166:25)
Tue 2008-12-09 10:47:07: Waiting for protocol to start...
Tue 2008-12-09 10:47:07: <-- 220 smtp1.maec.es ESMTP
Tue 2008-12-09 10:47:07: --> EHLO atnc.com.cn
Tue 2008-12-09 10:47:08: <-- 250-smtp1.maec.es
Tue 2008-12-09 10:47:08: <-- 250-PIPELINING
Tue 2008-12-09 10:47:08: <-- 250-SIZE 20240000
Tue 2008-12-09 10:47:08: <-- 250-VRFY
Tue 2008-12-09 10:47:08: <-- 250-ETRN
Tue 2008-12-09 10:47:08: <-- 250-ENHANCEDSTATUSCODES
Tue 2008-12-09 10:47:08: <-- 250-8BITMIME
Tue 2008-12-09 10:47:08: <-- 250 DSN
Tue 2008-12-09 10:47:08: --> MAIL From:<XIANGJIN@atnc.com.cn> SIZE=1888
Tue 2008-12-09 10:47:08: <-- 250 2.1.0 Ok
Tue 2008-12-09 10:47:08: --> RCPT To:<cog.pekin@maec.es>
Tue 2008-12-09 10:47:09: <-- 450 4.7.1 Client host rejected: cannot find your hostname, [218.241.216.162]
Tue 2008-12-09 10:47:09: --> QUIT

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公司发给国外maec.es的邮件被拒收了，红色标记出来的区域，应该是国外邮件服务器反解我的邮件IP，但是这IP是我防火墙的IP，不是我邮件系统的IP。这是为什么？有高人帮忙解答一下吗？

panasonic

什么邮件系统，配置拉出来