On Wed, Jul 25, 2001 at 02:15:00PM +0000, Kelsey Hartigan Go wrote:
> 
> You can check out the /etc/mail directory.  
> there are files there that you can put in the ip address of
> pc's that are allowed to relay or use the sendmail of your
> server.

There's actually no clean solution to this problem.  The sendmail
filters can't stop the users from switching machines or IPs.
Even the Postfix approach posted earlier can't stop them from
changing their From: addresses.

Unless of course the filter rule is tied with both IP and e-mail
address...

Cheers!
-- 
 .--.  Michael J. Maravillo                   office://+63.2.894.3592/
( () ) Q Linux Solutions, Inc.              mobile://+63.917.897.0919/
 `--\\ A Philippine Open Source Solutions Co.  http://www.q-linux.com/
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