Mdaemon10.0发信收到退信：500 5.5.0 Syntax error - line too long

sushunnong

服务器是简体中文2003 SP2，Mdaemon10.0，客户端使用outlook2003发送邮件给客户，稍候收到退信：


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您的邮件未投递给一个或多个收件人。
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--- Session Transcript ---
Mon 2012-03-19 17:47:21: Parsing message <xxxxxxxxxxxxxxxxxxxxxxxx\pd35001424170.msg>
Mon 2012-03-19 17:47:21: *  From: willow.liu@aaa.com.cn  Mon 2012-03-19 17:47:21: *  To: amandaabc@bbb.com  Mon 2012-03-19 17:47:21: *  Subject: Pajama (packaging)  Mon 2012-03-19 17:47:21: *  Message-ID: <053c01cd05b5$26b63ff0$9c06a8c0@abcd156>
Mon 2012-03-19 17:47:21: *  Route slip host: bbb.com  Mon 2012-03-19 17:47:21: *  Route slip port: 25  Mon 2012-03-19 17:47:21: Attempting SMTP connection to [bbb.com]  Mon 2012-03-19 17:47:21: Resolving MX records for [bbb.com] (DNS Server: 202.130.97.65)...
Mon 2012-03-19 17:47:22: *  P=020 S=000 D=bbb.com TTL=(5) MX=[correo1.bbb.com] {20.34.30.167}  Mon 2012-03-19 17:47:22: *  P=020 S=001 D=bbb.com TTL=(5) MX=[correo.bbb.com] {20.34.23.23}  Mon 2012-03-19 17:47:22: Attempting SMTP connection to [20.34.30.167:25]  Mon 2012-03-19 17:47:22: Waiting for socket connection...
Mon 2012-03-19 17:47:22: *  Connection established (172.18.2.1:4601 -> 20.34.30.167:25)  Mon 2012-03-19 17:47:22: Waiting for protocol to start...
Mon 2012-03-19 17:47:23: <-- 220 correo1.bbb.com ESMTP  Mon 2012-03-19 17:47:23: --> EHLO mail.aaa.com.cn  Mon 2012-03-19 17:47:23: <-- 250-correo1.bbb.com talking to mail.aaa.com.cn ([15.8.2.1])  Mon 2012-03-19 17:47:23: <-- 250-DSN  Mon 2012-03-19 17:47:23: <-- 250-8bitmime  Mon 2012-03-19 17:47:23: <-- 250 AUTH GSSAPI NTLM LOGIN  Mon 2012-03-19 17:47:23: --> MAIL From:<willow.liu@aaa.com.cn>
Mon 2012-03-19 17:47:24: <-- 250 2.1.0 willow.liu@aaa.com.cn....Sender OK  Mon 2012-03-19 17:47:24: --> RCPT To:<amandaabc@bbb.com>  Mon 2012-03-19 17:47:24: <-- 250 2.1.5 amandaabc@bbb.com  Mon 2012-03-19 17:47:24: --> RCPT To:<analseg@bbb.com>  Mon 2012-03-19 17:47:25: <-- 250 2.1.5 analseg@bbb.com  Mon 2012-03-19 17:47:25: --> RCPT To:<arfelixguerra@bbb.com>  Mon 2012-03-19 17:47:25: <-- 250 2.1.5 arfelixguerra@bbb.com  Mon 2012-03-19 17:47:25: --> RCPT To:<marialetg@bbb.com>  Mon 2012-03-19 17:47:26: <-- 250 2.1.5 marialetg@bbb.com  Mon 2012-03-19 17:47:26: --> RCPT To:<mayelaml@bbb.com>  Mon 2012-03-19 17:47:27: <-- 250 2.1.5 mayelaml@bbb.com  Mon 2012-03-19 17:47:27: --> RCPT To:<rafaelrd@bbb.com>  Mon 2012-03-19 17:47:27: <-- 250 2.1.5 rafaelrd@bbb.com  Mon 2012-03-19 17:47:27: --> RCPT To:<zonialmr@bbb.com>  Mon 2012-03-19 17:47:28: <-- 250 2.1.5 zonialmr@bbb.com  Mon 2012-03-19 17:47:28: --> DATA  Mon 2012-03-19 17:47:29: <-- 354 Enter mail, end with "." on a line by itself.
Mon 2012-03-19 17:47:29: Sending <xxxxxxxxxxxxxxxxxxxxxxxx\pd35001424170.msg> to [20.34.30.167]  Mon 2012-03-19 17:48:12: Transfer Complete  Mon 2012-03-19 17:48:15: <-- 500 5.5.0 Syntax error - line too long  Mon 2012-03-19 17:48:15: --> QUIT
--- End Transcript ---
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这邮件由另一合作伙伴公司（MDaemon 9.5）回复就没问题？这上面的退信原因，是因为我的Mdaemon10.0的设置问题吗？困扰几天了，还没找到答案，请问有遇到过的吗？是哪里要设置？？