vtzan put forth on 12/11/2009 5:26 AM:
> Hello all,
> 
> I need to reject smtp connection from certain ip inside my network
> (SPAMMER).

If this is the case, it may be more effective and expedient to drop
_all_ his traffic inbound to your Postfix host.

iptables -I INPUT -s xxx.xxx.xxx.xxx -j DROP

That works for Linux, not sure about *BSD.

This is what I would do if someone in my network was spamming.  Cut him
off at the knees, and prevent him from attacking your system's other
service ports.

--
Stan

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