Date: Sun, 11 May 1997 23:28:49 -0400 (EDT) From: Bradley Dunn <bradley@dunn.org> To: John Beukema <john@packfish.gateway.net.hk> Cc: freebsd-isp@FreeBSD.ORG Subject: Re: Sendmail hack Message-ID: <Pine.BSF.3.96.970511232511.1108C-100000@ns2.harborcom.net> In-Reply-To: <Pine.BSI.3.91.970512094844.13597A-100000@packfish.gateway.net.hk>
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On Mon, 12 May 1997, John Beukema wrote: > How do you stop spammers who use an existing address which is not theirs? a. Subscribe to Vixie's Black Hole eBGP feed. This will stop some of it. b. Check the headers and see where it is coming from. If they are not using third-party relaying, filter their IPs at your router. c. If they are using third-party relaying, notify the postmaster at the victim site and encourage them to implement third-party relay prevention. pbd -- Why can't you be a non-conformist like everyone else?
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