Stephen Ford wrote:
:snip:
> I'd like to block some messages at the sendmail level
> since that doesn't use much cpu/memory (I'd think most
> zombie's, ratware, spoofing can be stopped here).
:snip:
If you use a sendmail.mc file from which to build your sendmail.cf, you'll
find Phil McMahon's sendmail excellent LOCAL_RULESETS of great interest.
I've been running a subset of these sendmail rules in one form or another
(in addition to the filtering I do with MIMEDefang), for 5 years. Some of
the rules are aggressive, so read his cautions carefully.
http://www.doorbot.com/guides/sendmail/antispam/
Ken
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