On Tue, 11 Jul 2000, Damon Green wrote: > Folks, > Seems I am being used as a relay for a spammer from Japan. > My LSMTP box only allows connections from the listserv machine, > unfortunately thats the machine he's using as a relay. Is there any way to > tie down the system short of switching off sendmail ? > As far as I can see I have to have sendmail allowing send/rcv from all > domains on the listserv box, as that is how our subscribers modify their > subscription options. Is there a modification I can make to either > sendmail.conf to allow only legitimate listserv mail or to LSMTP to relay > our stuff, but not the infidels? Make sure you're running the latest sendmail version. See the web site at http://www.sendmail.org for the latest software and for tips on how to close an open sendmail relay.