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Date:      Fri, 14 Aug 1998 08:35:50 -0400
From:      Matthew Hunt <>
To:        Craig Beasland <>, freebsd-questions@FreeBSD.ORG
Subject:   Re: Procmail
Message-ID:  <>
In-Reply-To: <000001bdc75b$c4e11a80$>; from Craig Beasland on Fri, Aug 14, 1998 at 04:14:26PM +0800
References:  <000001bdc75b$c4e11a80$>

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On Fri, Aug 14, 1998 at 04:14:26PM +0800, Craig Beasland wrote:

> Has anyone used procmail for FreeBSD.  I need some of the functionality, but
> found mention of some memory problems using it - particularly under FreeBSD.

I do, and I would hope that a lot of people reading freebsd-questions
and other high-volume lists would do so as well.  I get hundreds of
messages per day, and sure wouldn't want them all ending up in my

Procmail can be somewhat memory-hungry (and CPU hungry, depending on
your rules).  I've seen it bring a 486 with 16 MB to its knees for
15 minutes or so, when a backlog of list mail was delivered.  I have
never had any problems on my own machine, which has had 32 MB and up.

It is my understanding that procmail needs to hold the whole message
in memory during processing; if you regularly get big emails (on the
order of your memory size) expect problems.

I have neither heard about nor encountered FreeBSD-specific issues.

(For information on killing spam with procmail, visit

Matthew Hunt <> * Inertia is a property of matter. for PGP public key 0x67203349.

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