Urgent, being used as spam relay Please Help!
Mon Nov 17 13:35:48 CET 1997
At 13:29 17.11.97 +0100, NCC local-ir list Moderator wrote: > >------- Forwarded Message > >Date: Mon, 17 Nov 1997 09:59:42 -0000 >From: "Mark Simcoe" <msimcoe at netcentral.co.uk> >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, Set up an access list in your main router and block incoming smpt traffic for the entire net-address of this company or for the mailservers they own. -- Med vennlig hilsen / Kind regards Stig Bull IP-drift Telenor Nextel AS email privat: stig at undernet.org email jobb: sb at online.no Tlf sentralbord: 22 77 19 00
[ lir-wg Archive ]