Urgent, being used as spam relay Please Help!
Jens Knoell jens at ingelheim.twinwave.net
Mon Nov 17 13:56:40 CET 1997
>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. hi. question: do you need to relay mail anyway? if not, reconfigure sendmail not to relay mail anymore. we did include code to stop sendmail from relaying on our own system, i am willing to forward you the code fragment... you should compile it yourself though. its the most effective way i know of. you can also achieve this by editing sendmail.cf as far as i know, yet i am not an expert at the config file... i am more the coder type of guy :) sincerely jens knoell twinwave ingelheim (jens at twinwave.net)
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