The Linux firewall just forwards packets based on their type. I
haven't heard of any kind of "sabotage filter" for Exchange Server
(or any other mail server, for that matter).
If your Linux box is running sendmail and relaying mail to/from
Exchange (as opposed to redirecting tcp port 25 packets), there might
possibly be something that procmail could do. There are other
implications of screening email, too.
> From: "Jeffrey K. Nipp" <[EMAIL PROTECTED]>
> To: "'[EMAIL PROTECTED]'" <[EMAIL PROTECTED]>
> Date: Wed, 23 Sep 1998 16:57:27 -0400
> Subject: [masq] Mail Security
> In concert with our Linux firewall, I would like to add some security to
> our mail as well. We have an exchange server which sends SMTP mail
> through our Linux server. Are their any inspection protocols/packages
> to guard against things like employees mailing out client lists, etc.?
>
> Thanks,
>
> Jeff
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"Some people crave baseball - I find this unfathomable - but I can
easily understand why a person could get excited about playing a
bassoon."
Frank Zappa
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