Hi all -
I'm testing the use of some DNS blacklists to cut down on my spam
and there are a lot of servers to choose from. I was wondering if there
is a list of popular servers. I've seen comparison lists, but I'm hoping
for more of a survey of sysadmins and what they use (if anything).
relays.osirusoft.com -- has a feed from SPEWS, not everyone likes what that represents
dnsbl.njabl.org -- very good, although slow to remove sites that fix things up
relays.ordb.org -- pretty conservative, no false positives
list.dsbl.org -- extremely good, but I get a few false positives from time to time
multihop.dsbl.org -- a bit too severe for my tastes
blackholes.wirehub.net
-- seems ok, but as it's at the end of my list it doesn't have the chance to catch much, I suppose.
I've heard favourable reviews of opm.blitzed.org, blackholes.five-ten-sg.com and proxies.relays.monkeys.com
Before you start using remote blacklists, you should set up your own restrictions, blocking on garbage HELO, envelope forgeries and the like.
David
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