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.