Postfix Rate Limit

[Scott Muller]

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.