Urgent, being used as spam relay Please Help!

Mark et al,

There is an excellent page at <http://anti-relay.unicom.com/anti-relay>
regarding how to stop the use of your mail server as a relay.

I hope this information is helpful to you.

Regards,

Larry

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At 01:29 PM 11/17/97 +0100, NCC local-ir list Moderator wrote:
>
>------- Forwarded Message
>
>Date:     Mon, 17 Nov 1997 09:59:42 -0000
>From:     
>To:       <local-ir-list at ripe.net>
>Subject:  Urgent, being used as spam relay Please Help!
>
>Hi,
>
>We have just been used as a smtp relay for one of the US spam companies and
>it crashed one of our mail servers, the service remained unaffected as our
>backup systems took over but we use sendmail and I cannot seem to find out
>how to stop us from being used in this fashion.
>
>I know this is not the correct list for this sort of thing but I need some
>expert advice as our software suppliers don't know how to stop it.
>
>As a general warning to everyone out there we need to protect our systems
>from these people who are starting to use us all to deliver their mail for
>them without paying us a penny.
>
>Please someone help,
>
>Mark.
>
>
>------- End of Forwarded Message
>
>
>
Larry Vaden                            903-813-4500
Internet Texoma, Inc.                  800-697-0206
Member ISP/C, TISPA                Fax 903-868-8551