Fix for Postfix delivery temporarily suspended: Connection timed out mail error

by rajesh 2012-06-04 23:43:37

If mails are not getting delivered in a server there postfix is used and you see the following error in log files

postfix/qmgr[31111]: 43C11AG313F: to=abcd@asdasd.com, relay=none, delay=0, status=deferred (delivery temporarily suspended: connect to <domain name>[ip]: Connection timed out)

the solution would be very simple.

The issue is that firewall/iptables is blocking local relay host 127.0.0.1

So just run the following command and the issue will be solved.

#/sbin/iptables -A INPUT -s 127.0.0.1 -j ACCEPT

#/sbin/iptables -A INPUT -d 127.0.0.1 -j ACCEPT

#/etc/init.d/iptables restart
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