Quoting Tom Lane <tgl@sss.pgh.pa.us>:
> Will Trillich <will@serensoft.com> writes:
> > is there some way of getting a look at tom's or marc's filters? i could
> > sure use a bit of help there. lordy, we're close to drowing in the
> > stuff!
>
> Tell me about it :-(
>
> I currently use four levels of filtering:
>
> 1. DNSBL lists: blackholes.five-ten-sg.com, bl.spamcop.net, relays.ordb.org
> (there are others out there, but these seem to have a good impedance
> match to my personal spam load).
>
> 2. Private blacklist of IP ranges that have sent me too much spam.
> sendmail has a pretty easy mechanism to support this, although it
> only seems to support /8 /16 or /24 ranges which is a bit coarse.
> (If you've gotten a "Go away spammer" bounce from me, you were caught
> by this filter --- let me know and I'll tighten the ranges.)
There is a sendmail script for this called "cidrexpand" that allows you to put
in CIDR blocks- i.e. things like 216.185.96.0/19 can be put into the sendmail
access file.
<--stuff deleted-->
--
Keith C. Perry, MS E.E.
Director of Networks & Applications
VCSN, Inc.
http://vcsn.com
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