Anti-spam measures

Sami Koskinen wrote:
> > One of the best things to do, would probably be to make a simple turnkey
> > kind of sendmail config available to people.
> 
> 	What I think as the best solution is to patch sendmail
> 	to check from the name service if we really are in the
> 	mx list for the incoming mail. This would eliminate
> 	the need to store the same information to some other
> 	place, as we already have the information stored in
> 	the name service. To my understanding this is not possible
> 	to do simply by tweaking the configuration file, but
> 	it requires some patches to the actual code.

Such a patch exists. Get it at http://homepage.cistron.nl/~miquels/nospam/

We use it, and have been using it for quite some time now. It only needs
integration with the sendmail-8.8.8-cf suite, to call Parse0 to filter
local crud before applying the anti-relay rules.

--
#! ##### Jan-Pieter Cornet ##### <johnpc at xs4all.net> ##### perl
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($@,$\,$~)=$!=~/(.)(.).(.)/; $_="$,$/$:"; $@++; $~="$~$_";($_)=
\$$=~/\((.)/;$|=++$_;$_++;$|++;$~="$~ $@$:";`$~$/$\$*$, $|>&$_`