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MY postfix does not show that it is listening to the smtp daemon getting mesaage below:

The message WAS NOT relayed Reporting-MTA: dns; mail.mak.ac.ug Received-From-MTA: smtp; mail.mak.ac.ug ([127.0.0.1]) Arrival-Date: Wed, 19 May 2010 12:45:20 +0300 (EAT)

Original-Recipient: rfc822;dicts-test@muklists.mak.ac.ug Final-Recipient: rfc822;dicts-test@muklists.mak.ac.ug Action: failed Status: 5.4.0 Remote-MTA: dns; 127.0.0.1 Diagnostic-Code: smtp; 554 5.4.0 Error: too many hops Last-Attempt-Date: Wed, 19 May 2010 12:45:20 +0300 (EAT) Final-Log-ID: 23434-08/A38QHg8z+0r7 undeliverable mail MTA BLOCKED

OUTPUT FROM lsof -i tcp:25 command

master 3014 root 12u IPv4 9429 TCP *:smtp (LISTEN) (Postfix as a user is missing )

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Your postfix is it the final hop for muklists.mak.ac.ug ? Check your DNS entries for this domain. Is there an error ?

I think postfix say "Hey it's not for me, I send to muklists.mak.ac.ug. Who is muklists.mak.ac.ug ? 127.0.0.1 say DNS or /etc/hosts. Then it is send to 127.0.0.1, which say Hey it's not for me"

You can maybe check your logs too : you should see a large loop, because hopcount_limit is 50 by default

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Double check MX record of mail.mak.ac.ug. you have to do it within linux box terminal & a third party dns resolver like intodns.com or checkdns.net intodns.com/mak.ac.ug – risyasin May 20 '10 at 19:23

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