Milter-greylist

I'm new to this mailinglist so I don't know if this has already been 
proposed...

Have you considered to implement the tests done by the BotNet plugin of 
SpamAssassin?

http://people.ucsc.edu/~jrudd/spamassassin/Botnet-0.7.tar

It try to identify the botnets by looking at the DNS information of the 
last relay. It appears to me (and many others on SpamAssassin 
mailinglist) to be VERY effective. It gives some false positives so it's 
not a good idea to use for blacklisting, but it is very good for 
greylisting.


Thanks.

-- 
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    |-                      giannici@...
    |ederico Giannici      http://www.neomedia.it
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