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Date: Sat, 31 May 1997 00:37:08 -0600
From: Blaine Minazzi <bminazzi@denverweb.net>
Organization: What, me organized?
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To: Steve Ames <steve@ns1.cioe.com>
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Subject: Re: sendmail: stop mail forwarding
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Steve Ames wrote:
> 
> We recently (maybe 30 minutes ago) had someone forward a LOT of mail
> through our server... most of it seemed to be destined for every user
> on aol.com starting with the letter a.
> 
> What's the Q&D patch to sendmail.cf to stop people from being able to
> forward mail through? Can that be restricted by domain? (ie only people
> from my domain can forward mail)....
> 
>                                                 -Steve

Several other options...

A:send them a bill for several thousand dollars for use of your sevices.
When they don't pay, put a ding on their credit report.

B: Depending on the state you are in, it may be a crime.
( it is in colorado. ) See if you can press charges.

Any other creative ideas out there?