Please help with Postfix config issue - How to allow remote Exchange server to relay to my postfix


 
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Old 02-26-2010
Please help with Postfix config issue - How to allow remote Exchange server to relay to my postfix

Hi guys

One of our clients have a problem with sending email to a certain domain. No matter what we try, the mails just dont get delivered.

What I did then, is created a new connector on their Exchange server, pointing all mail sent to their client at "domain1" to relay to our Postfix mail server that we use. Mail from us to "domain1" works fine.

I have given their Exchange server access to our relay in postfix. I dont get any RELAY access denied errors when testing email.

The error I get in our postfix maillog when I send a email to user@domain1.com from our client Exchange is:

Code:
 
Feb 26 11:53:03 ourpostfixserver postfix/local[7354]: 6B307A4D822: to=user@domain1.com, relay=local, delay=1, status=bounced (unknown user: "user")

I know I probably missed some config in postfix somewhere...

Would appreciate any suggestions.

Thanks! Smilie
 
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POSTFIX-ADD-FILTER(8)					      System Manager's Manual					     POSTFIX-ADD-FILTER(8)

NAME
postfix-add-filter - add filter service to Postfix master.cf SYNOPSIS
postfix-add-filter [smtp service name...] [smtpd port...] DESCRIPTION
The postfix-add-filter(8) command adds an smtp service named smtp service name and and smtpd server listening on smtpd port to etc/post- fix/master.cf to facilitate integration of SMTP filters such as amavisd-new or clamsmtp. The configuration is based on the upstream recom- mendations for amavisd-new 2.6.0. Adminstrators should verify it is appropriate for their requirements. The original file is copied prior to modification and left in /etc/postfix to make it possible to revert changes easily. Available in the Debian package for Postfix version 2.5.3 and later. DIAGNOSTICS
If the given smtp service name or smtpd port already appear in the master.cf, a message will be printed to standard out and master.cf will not be modified. ENVIRONMENT
MAIL_CONFIG Directory with Postfix configuration files. The postfix-add-filter(8) command should use this, but it currently doesn't. It is hard coded to /etc/postfix. This should be changed. CONFIGURATION PARAMETERS
None FILES
/etc/postfix/master.cf SEE ALSO
postconf(5), Postfix configuration LICENSE
This software is licensed under the MIT open source license. AUTHOR(S) Scott Kitterman <scott@kitterman.com> POSTFIX-ADD-FILTER(8)