Re: Relaying nightmare

From: Rich Matheisen [MVP] (richnews_at_rmcons.com.NOSPAM.COM)
Date: 12/27/04 

Date: Mon, 27 Dec 2004 12:41:38 -0500

"GAZ" <contact@asd-bl.com> wrote:

>I would be most grateful if you could help me with a 'small' relaying
>problem.
>
>We have the Exchange 2000 enterprise server with the SMTP virtual server
>behind the ISA 2000 firewall.
>
>Basically, several days ago we 'started' relaying messages all over the
>shop. The Relay tab is set to 'Only listed below' with nothing in the list
>and the 'Allow all computers...' is unchecked. However, spam still passes
>through.

Spam and relaying are not the same problem. "All over the shop" sounds
like the problem is spam and no relaying.

>We started putting whole ranges of IP address in the banned list on
>the connection tab. The problem is that the spammers change ip addresses
>constantly and we have to extend the list almost on a daily basis. Never
>mind the bandwidth gone to waste, but we definitely do not want to end up on
>a black list.

If you need a quick fix, one that relies only on DNS RBL's and limited
checking on the message body, try Open Relay Filter fro Vamsoft
(http://www.vamsoft.com/orf). Other inexpensive software might be GFI.
More expensive software is available, as are e-mail appliances that
are much more capable of dealing with SMTP and the Internet than
Exchange will ever be.

>Is there a one time 'kill all' solution that would prevent spammers from
>using our server?

If you find one, the world will be eternally grateful. 

-- 
Rich Matheisen
MCSE+I, Exchange MVP
MS Exchange FAQ at http://www.swinc.com/resource/exch_faq.htm

Relevant Pages

  • Re: Relaying nightmare
    ... several days ago we 'started' relaying messages all over the ... The Relay tab is set to 'Only listed below' with nothing in the list ... Spam and relaying are not the same problem. ... "All over the shop" sounds ...
    (microsoft.public.exchange2000.admin)
  • Re: Relaying nightmare
    ... several days ago we 'started' relaying messages all over the ... The Relay tab is set to 'Only listed below' with nothing in the list ... Spam and relaying are not the same problem. ... "All over the shop" sounds ...
    (microsoft.public.exchange2000.general)
  • Re: Relaying nightmare
    ... several days ago we 'started' relaying messages all over the ... The Relay tab is set to 'Only listed below' with nothing in the list ... Spam and relaying are not the same problem. ... "All over the shop" sounds ...
    (microsoft.public.exchange2000.connectivity)
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