这是美国的客户退信..........急！！！

goohoe

The attached message had PERMANENT fatal delivery errors!

After one or more unsuccessful delivery attempts the attached message has
been removed from the mail queue on this server.  The number and frequency
of delivery attempts are determined by local configuration parameters.

YOUR MESSAGE WAS NOT DELIVERED TO ONE OR MORE RECIPIENTS!

Failed address: burt@lecoplastics.com

--- Session Transcript ---
Sat 2008-03-08 09:39:42: Parsing message <xxxxxxxxxxxxxxxxxxxxxxxx\pd50000031591.msg>
Sat 2008-03-08 09:39:42: *  From: it1@comax.com
Sat 2008-03-08 09:39:42: *  To: burt@lecoplastics.com
Sat 2008-03-08 09:39:42: *  Subject: test
Sat 2008-03-08 09:39:42: *  Message-ID: <[email=001001c880bd$424065b0$276aa8c0@gbm1810cbca438]001001c880bd$424065b0$276aa8c0@gbm1810cbca438[/email]>
Sat 2008-03-08 09:39:42: Attempting SMTP connection to [lecoplastics.com]
Sat 2008-03-08 09:39:42: Resolving MX records for [lecoplastics.com] (DNS Server: 192.168.105.2)...
Sat 2008-03-08 09:39:42: *  P=010 S=000 D=lecoplastics.com TTL=(10) MX=[mail.enettechnologies.com] {75.126.141.83}
Sat 2008-03-08 09:39:42: Attempting SMTP connection to [75.126.141.83:25]
Sat 2008-03-08 09:39:42: Waiting for socket connection...
Sat 2008-03-08 09:39:43: *  Connection established (192.168.105.2:1200 -> 75.126.141.83:25)
Sat 2008-03-08 09:39:43: Waiting for protocol to start...
Sat 2008-03-08 09:39:43: <-- 220 mail.enettechnologies.com ESMTP Merak 8.0.3; Fri, 07 Mar 2008 19:39:43 -0600
Sat 2008-03-08 09:39:43: --> EHLO comax.com
Sat 2008-03-08 09:39:43: <-- 250-mail.enettechnologies.com Hello comax.com [202.82.242.116], pleased to meet you.
Sat 2008-03-08 09:39:43: <-- 250-ENHANCEDSTATUSCODES
Sat 2008-03-08 09:39:43: <-- 250-SIZE
Sat 2008-03-08 09:39:43: <-- 250-EXPN
Sat 2008-03-08 09:39:43: <-- 250-ETRN
Sat 2008-03-08 09:39:43: <-- 250-ATRN
Sat 2008-03-08 09:39:43: <-- 250-DSN
Sat 2008-03-08 09:39:43: <-- 250-CHECKPOINT
Sat 2008-03-08 09:39:43: <-- 250-8BITMIME
Sat 2008-03-08 09:39:43: <-- 250-AUTH CRAM-MD5 DIGEST-MD5 LOGIN PLAIN
Sat 2008-03-08 09:39:43: <-- 250-AUTH=LOGIN
Sat 2008-03-08 09:39:43: <-- 250-STARTTLS
Sat 2008-03-08 09:39:43: <-- 250 HELP
Sat 2008-03-08 09:39:43: --> MAIL From:it1@comax.com SIZE=1737
Sat 2008-03-08 09:39:44: <-- 501 5.7.1 <it1@comax.com>... Sender IP must resolve
Sat 2008-03-08 09:39:44: --> QUIT
--- End Transcript ---

wxhsh

501 5.7.1 <it1@comax.com>... Sender IP must resolve

要做反解，与你的ISP联系。

goohoe

要做反解，与你的ISP联系。
？？？？
你是说叫我跟PCCW(电讯盈科)联系？？？ 还是DNS 的ISP ？？？能说具体点吗 ？？？

wxhsh

即你的线路供应商，你线路是哪家提供的就找谁

redif

是IP供应 商。。。。。。。。。。。。