Date: Sat, 14 Jun 2003 01:16:40 +0200 From: David Landgren <david@landgren.net> To: freebsd-questions@freebsd.org Cc: Philip Hallstrom <philip@adhesivemedia.com> Subject: Re: List of popular DNS blacklists for spam? Message-ID: <3EEA5B58.8050301@landgren.net> In-Reply-To: <20030612113643.E45045@tigger.alkinetworks.com> References: <20030612113643.E45045@tigger.alkinetworks.com>
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Philip Hallstrom wrote: > 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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