SMTP filter

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To: netfilter@xxxxxxxxxxxxxxxxxxx
Subject: SMTP filter
From: david@xxxxxx
Date: Fri, 5 Mar 2004 13:27:09 +0100
Sender: netfilter-admin@xxxxxxxxxxxxxxxxxxx

Hello World
I want to accept only all the SMTP trafic, port 25, from the source ip my
ISP ?
Is that correct to block the SPAM ?

Thanks

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