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Old 15th August 2009, 16:58
manarak manarak is offline
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Default fdqn hostname problem

I got a strange problem which I have been unable to resolve.

I have 2 servers.
* the first, server1.mydomain.com, runs an older fedora installation with qmail and plesk.
* the second, server2.mydomain.com runs brand new debian 5 with postfix and ISPconfig 3.

When I try to send emails from an address on server1 to an address on server2, the email gets rejected by postfix on server2 because of the policy "REJECT non_fdqn_hostname".

Now, I am puzzled as to why the hostname of server1 is non-fdqn.
The server sends a proper helo with server1.mydomain.com

Could someone please walk me through some steps to diagnose the problem?

Thank you
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  #2  
Old 15th August 2009, 17:36
Franz Franz is offline
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maybe you need PTR record for you serves?
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Old 15th August 2009, 17:41
manarak manarak is offline
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PTR has been set years ago
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Old 15th August 2009, 17:59
manarak manarak is offline
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ok, more strange even:

when I deactivate the reject non_fdqn_hostname policy in postfix, the mail still gets rejected because of the reject non_fdqn_sender policy ??

how can a sender be non-fdqn?
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Old 15th August 2009, 18:11
manarak manarak is offline
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solved, I guess:

reject non_fdqn_* will cause everything to be rejected, because the correct spelling of the policy is non_fqdn_*
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