> I'm looking to add other DNSBL's to tomorrow's weekly mass check.  I
> realize most of them probably are too broken to bother, but it would be
> nice to get some real numbers to confirm it so since the Internet lacks
> any real DNSBL comparisons that include Ham FP safety.

If you are looking for real numbers, this should be helpful for you:

Blacklists Compared - weekly reports of DNS blacklists lookups
http://www.sdsc.edu/~jeff/spam/cbc.html

Blacklist Monitor - accuracy and inaccuracy rates of various blacklists
http://www.intra2net.com/en/support/antispam/

Please pay attention that some blacklists do only list IP addresses for hours.
When running the mass check you need realtime data to get reliable results.

--
Bjoern Sikora

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