[unisog] I need help.

William D. Colburn (aka Schlake) wcolburn at nmt.edu
Thu Jul 18 17:32:13 GMT 2002

I got a request, so I peeled out the core of the milter, and put it

If you need a sample Makefile, look at the info for my antivirus milter

You will need to edit this .c file at lines 62 (your postmaster contact
information) and line 72 (your network numbers).  If you have a class a
or class c network, the changes you need to make should hopefully be
pretty obvious.

The mlfi_body() routine isn't relevant to rejecting HTML only messages
from hosts with bad DNS, but it shows how I get rid of a lot of spam
(1526 messages blocked yesterday).  I maintain that list by hand, adding
lines as I receive spam.  It seems to have a really low occurance of
false positives.

Milters are really cool, everybody should have one.

On Thu, Jul 18, 2002 at 01:08:06PM -0400, Michael J. Benedetto wrote:
> Date: Thu, 18 Jul 2002 13:08:06 -0400
> To: "William D. Colburn (aka Schlake)" <wcolburn at nmt.edu>
> From: "Michael J. Benedetto" <michael at amnh.org>
> Subject: Re: [unisog] I need help.
> At 07:54 AM 7/18/2002 -0600, you wrote:
> >I have another rule that I think prevents many of these getting too me.
> >
> >I wrote a milter that checks things.  If a message
> >  1) contains only HTML content AND
> >  2) does not have a reverse IP OR
> >  2) gave a HELO/EHLO that does not match its reverse ip
> >then I reject it.  This milter does several other things as well that
> >are site specific, but I could trim that out and release it if people
> >are interested.
> I'd be very interested to see the it if you have a chance. Thanks.
> Michael J. Benedetto, CISSP
> Assistant Director of Information Technology
> Network Systems
> American Museum of Natural History
> Central Park West at 79th Street
> New York, New York 10024
> (P)	212-769-5318
> (F)	212-496-3555
> (E)	michael at amnh.org
> (W)	http://www.amnh.org

William Colburn, "Sysprog" <wcolburn at nmt.edu>
Computer Center, New Mexico Institute of Mining and Technology
http://www.nmt.edu/tcc/     http://www.nmt.edu/~wcolburn

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