Re: Email Monitoring
From: Chris Berry (compjma_at_hotmail.com)
Date: 05/06/03
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To: security-basics@securityfocus.com Date: Tue, 06 May 2003 11:57:05 -0700
>From: <jimmy2600@hushmail.com>
>I've been asked by a company to set up some kind of email monitoring
>software, what they want is to record (save the full email and any
>attachments)
>mail which is sent to certain domains i.e. competitors, some kind of
>alert after such a event should also be sent to a number of senior
>executives
>in the co.
>
>The mail server is Exchange and they do not want to spend money on
>software.
>At present all inbound mail is scanned by a SMTP proxy that carries out
>content and spam checking. It’s a beefy Redhat8.0 box using Spamassasin
>and Mimedefang.
>
>What I aim to do is deliver all out bound mail through the proxy and
>:
>
>1. Hopefully find some kind of open source implementation that can do
>what I want.
>
>2. Hack some kind of filter with Perl.
>
>The second option really isn’t a good one as my programming skills lead
>a lot to be desired.
>
>Has anyone got any input on this, am I going down the wrong path or maybe
>someone has implemented something similiar?
I'm not an Exchange expert but what about this:
http://www.msexchange.org/tutorials/MF011.html
Another solution would be a second email server that you would forward all
mail through. While forwarding, the second mail server would make a copy
and store that locally. I know qmail can do this for sure, and I'd be
surprised if you couldn't also do it with postfix, etc.
Chris Berry
compjma@hotmail.com
Systems Administrator
JM Associates
"This email is ROT26 encrypted, by reading it you are in violation of the
DMCA, and should turn yourself in to the authorities immediately."
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