From: Wietse Venema (no email)
Date: Mon Dec 01 2003 - 14:43:52 EST
John Traylor:
> I am trying to setup a simple alternate Postfix 1.1.12-1 MTA(smtp2) to shed
> some load off of our non Postfix MTA(smtp) which is working just fine. Both
> machines are on the same private address subnet and have the same domain
> names. They both have inside DNS MX records with the Postfix server having
> the lower priority. I can send mail from the non-postfix MTA to the Postfix
> MTA but I can not send mail from Postfix MTA accounts to my non-Postfix MTA
> accounts. I am getting the following in my log. I have modified my domain in
> my log for whatever stupid reasons.
>
> Dec 1 13:12:32 smtp2 postfix/nqmgr[6286]: 2FA085EC06F:
> from=<>, size=418, nrcpt=1 (queue active)
> Dec 1 13:14:25 smtp2 postfix/nqmgr[6286]: BE9735EC069:
> from=<>, size=542, nrcpt=1 (queue active)
> Dec 1 13:14:25 smtp2 postfix/nqmgr[6286]: 61EF65EC06D:
> from=<>, size=684, nrcpt=1 (queue active)
> Dec 1 13:15:05 smtp2 postfix/smtp[6841]: connect to
> smtp.mydomain.com[192.168.2.10]: Connection timed out (port 25)
> Dec 1 13:15:05 smtp2 postfix/smtp[6841]: C7D425EC06E:
> to=<>, relay=none, delay=377, status=deferred
> (connect to smtp.mydomin.com[192.168.2.10]: Connection timed out)
You can debug this with telnet.
telnet 192.168.2.10 smtp
Until telnet is able to connect to the MTA, there is no need to
play with Postfix.
Most likely, a firewall rule is discarding the traffic.
Wietse
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