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Date: Tue, 03 May 2005 09:31:49 +1000
From: Scott Muller <smuller@netcommplete.com.au>
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To: Etechnix Support <etechnix@gmail.com>
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cc: freebsd-isp@freebsd.org
Subject: Re: Postfix Rate Limit
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Etechnix Support wrote:
> Dear All, 
>   
>      Can Anyone help me in setting up rate limiting in POSTFIX MTA, i
> have it running with mysql, corier-imap , cyrus-sasl, spamassaisin ,
> on both freebsd and RH , is there any way i can limit maximum number
> of emails per day per user ? or anytthing close to it ?
> 
> Thnx

Have a look at http://policyd.sourceforge.net/ This is a really robust
policy server that supports greylisting, sender throttling, spamtraps,
etc. Requires Postfix 2.1.