"J.D. Falk" <jdfalk@priori.net> said the following at 8/1/97 2:36 PM:
The /best/ idea is to have them use a local SMTP server. If
they can't or won't do that, there are a few recipes floating
around that let you exempt messages from specific sources; I
haven't investigated those much, but they're out there.
I just implemented the check_* stuff on my server...it works great and
was fairly easy to do...
<http://www.informatik.uni-kiel.de/~ca/email/check.html>
It has already stopped quite a bit of spam and I'm being very good about
keeping my junk database up to date...
-jon stevens