From: Mike N. 

On Tue, 15 Jun 2004 12:40:05 -0400, Richard B.  wrote:

>Which list(s) do you guys prefer?  Which are quicker resolving
>problems, i.e., incorrect entries?

  The subject of how to use DNSBL's is a study in itself -

 1.)  Spamcop - By far and away the best indicator; if a system is flagged
by Spamcop, it has been recently spamming.   It's possible for this to be a
letigimate mail server victimized by one of the local users via a trojan.
www.spamcop.net
bl.spamcop.net


2.)  SORBS - a single lookup returns a hit in a number of categories.
Generally very accurate.
http://www.dnsbl.us.sorbs.net/cgi-bin/lookup?js&IP=
dnsbl.sorbs.net

Some others -

ORDB - Open relay database  http://www.ordb.net/ relays.ordb.org

NJABL - Variety of categories http://www.njabl.org/ dnsbl.njabl.org

CBL - Combined databases http://cbl.abuseat.org/ cbl.abuseat.org

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