encounter the follow problem.. appreciate if someone could advise.. tia
i have no problem sending emails to any other domains except one..
error as follows..
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Your message did not reach some or all of the intended recipients.
Subject: test 2
Sent: 26/02/2009 14:15
The following recipient(s) could not be reached:
m...@client.com on 26/02/2009 14:18
There was a SMTP communication problem with the recipient's
email server. Please contact your system administrator.
<mymailserver.com #5.5.0 smtp;550 Requested action not taken:
mailbox unavailable or Anti-spam Action>
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my smtp log:
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2009-02-11 01:51:29 203.127.44.131 MX18 - 25 MAIL -
FROM:<m...@mymailserver.com> 0 4 0 -
2009-02-11 01:51:30 203.127.44.131 MX18 - 25 - -
250+<m...@mymailserver.com>,+Sender+ok 0 42 0 -
2009-02-11 01:51:30 203.127.44.131 MX18 - 25 RCPT - TO:<m...@client.com > 0 4
0 -
2009-02-11 01:51:30 203.127.44.131 MX18 - 25 - - 250+<m...@client.com
>,+Recipient+ok 0 38 0 -
2009-02-11 01:51:30 203.127.44.131 MX18 - 25 DATA - - 0 4 0 -
2009-02-11 01:51:30 203.127.44.131 MX18 - 25 - -
354+Enter+mail,+end+with+<CRLF>.<CRLF> 0 38 0 -
2009-02-11 01:51:30 203.127.44.131 MX18 - 25 - -
550+Requested+action+not+taken:+mailbox+unavailable+or+Anti-spam+Action 0 71
0 -
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my client's mail log:
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Mon 2009-02-09 09:45:41: [7154:4] Accepting SMTP connection from
[1.2.3.4:8803]
Mon 2009-02-09 09:45:41: [7154:4] --> 220 mail.client.com ESMTP MDaemon
10.0.4; Mon, 09 Feb 2009 09:45:41 +0800
Mon 2009-02-09 09:45:43: [7154:4] <-- EHLO mail.mymailserver.com
Mon 2009-02-09 09:45:43: [7154:4] --> 502 This server configured to NOT
honor EHLO at present
Mon 2009-02-09 09:45:43: [7154:4] <-- HELO mail.mymailserver.com
Mon 2009-02-09 09:45:43: [7154:4] --> 250 mail.client.comHello
mail.mymailserver.com, pleased to meet you
Mon 2009-02-09 09:45:43: [7154:4] <-- MAIL FROM:<steve...@corporate.com.sg>
Mon 2009-02-09 09:45:43: [7154:4] --> 250 <m...@mymailserver.com>, Sender ok
Mon 2009-02-09 09:45:43: [7154:4] <-- RCPT TO:<m...@client.com>
Mon 2009-02-09 09:45:43: [7154:4] Performing DNS-BL lookup (1.2.3.4 -
connecting IP)
Mon 2009-02-09 09:45:43: [7154:4] * bl.spamcop.net - passed
Mon 2009-02-09 09:45:44: [7154:4] * zen.spamhaus.org - passed
Mon 2009-02-09 09:45:44: [7154:4] ---- End DNS-BL results
Mon 2009-02-09 09:45:44: [7154:4] --> 250 <m...@client.com>, Recipient ok
Mon 2009-02-09 09:45:44: [7154:4] <-- DATA
Mon 2009-02-09 09:45:44: [7154:4] Creating temp file (SMTP):
d:\mdaemon\temp\md50000029760.tmp
Mon 2009-02-09 09:45:44: [7154:4] --> 354 Enter mail, end with <CRLF>.<CRLF>
Mon 2009-02-09 09:45:45: [7154:4] Connection closed
Mon 2009-02-09 09:45:45: [7154:4] SMTP session terminated (Bytes in/out:
134/345)
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have been working with client's mail administrator.. but no result.. we
don't even know which server is "dropping" the connection..
have check all spam and firewall settings..
- windows 2003 server w/service pk 2
- running exchange 2003 w/service pk 2
- i'm sending email via smart host (my anti-spam server) - smtp virtual
server (iis 6.0)/windows 2003 server w/service pk 2
sorry for this long posting.. thanks/Jason