Fake MTA

[Terry D. Cudney]

Hi,

	Interesting ideas, Joe. Why run an extra machine just for that? If you want to intercept/dump/examine attempted spam, I believe you could set up your MTA to do that selectively, while handling valid mail as normal.

	I'm just getting a handle on configuring exim, so, I may be wrong on the above idea, but I believe it's do-able. Someone correct/educate me/us if I'm wrong there.

--terry
On Sun, Aug 11, 2002 at 05:21:58AM -0400, Joseph Norton wrote:
> Hi listers:
> 
> Recently, I brought up an old version of Linux on my 486 just to see what
> it was like.  I telneted into it and everything went all right.  That is,
> until, someone started scanning the ports on the old system and found out
> that port 25 was open.  You can guess what happened...  They immediately
> tried (and as far as I know succeeded) to send out a piece of spam which
> my older version of sendmail happily forwarded.  Now, before you tell me
> that later versions of sendmail (I believe 8.9 and after) do not allow
> relaying by default and that I shouldn't have been playing around with
> older software, let me explain the reason for relating this.
> 
> The experience got me to thinking something along these lines.
> 
> Do any of you know if anyone has written a sort-of fake mta (mail
> transport agent) that looks like sendmail or some other mail program that
> just accepts all mail and stores (or dumps) it without sending it along?
> Might be interesting to leave it running on an older machine just to make
> some spammer think he's sending out successful messages when you're really
> dumping them to /dev/null or something like that.  Also might be
> interesting to see what you can pick up (though sorting through that mess
> probably wouldn't be worth the trouble).
> 
> Any thoughts?
> 
> 
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-- 

Name:	Terry D. Cudney
Phone:	(705) 422-0039
E-mail:	terry at CottageInWasaga.com
Web:	www.CottageInWasaga.com

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