On Monday, May 22nd 2006 at 19:37 -0600, quoth Michael Wilkinson:
=>I've been a LONG time user/admin of majordomo, and I've recently
=>experienced something I'm not sure what to do about or how to
=>combat.
=>
=>I'm using majordomo 1.94.5, and sendmail 8.13.4, somehow evil spammers
=>used my majordomo mail alias to relay spam through my sendmail server.
=>It was a mess, I had to clean out my domain/ip from some blackhole
=>lists.
=>
=>I picked up on it because I got quite a few majordomo abort messages.
=>I've been trying to dissect how they used it exactly, unfortunately,
=>I don't have my sendmail logs for that time period anymore.
=>
=>I was able to stop it by commenting my majordomo mail alias out of
=>my aliases file. I was wondering if any here has seen anything like
=>this, and if so, how I may prevent the problem in the future.
=>
=>Thanks!
=>-Mike
Other people are giving you answers that relate to controlling relay
problems and general tightening up of the sendmail config. The most
obvious answer is to not allow any postings to your lists unless the
poster is a subscriber to that list.
--
steveo at syslang dot net TMMP1 http://frambors.syslang.net/
Do you have neighbors who are not frambors?
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