From owner-freebsd-hackers@FreeBSD.ORG  Tue Oct  4 17:36:14 2005
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Date: Tue, 4 Oct 2005 14:37:34 -0300 (ART)
From: Fernando Gleiser <fgleiser@cactus.fi.uba.ar>
To: Patrick Dung <dungkaitai@hk-cse.dyxnet.com>
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Subject: Re: How to duplicate a copy of all incoming and outgoing mail
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On Tue, 4 Oct 2005, Patrick Dung wrote:

> Thanks for reply.
> Wow, postifx got their power. Very simple.
>
> But I really want to know about Sendmail, because it's default in many Unix.
> Checking out http://www.technoids.org/procmailfilter.html but it seems quite 
> complex.

You can use mailsnarf (part of dsniff port) tosniff all the mails
from the net and drop into an mbox file.

For sendmail, you can try mimedefang. it was functions to add/remove
recipients from any message.



 		Fer