From owner-freebsd-questions@FreeBSD.ORG Fri Jun 13 16:16:32 2003 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id EF66137B401 for ; Fri, 13 Jun 2003 16:16:32 -0700 (PDT) Received: from mwinf0403.wanadoo.fr (smtp5.wanadoo.fr [193.252.22.27]) by mx1.FreeBSD.org (Postfix) with ESMTP id 852C943F93 for ; Fri, 13 Jun 2003 16:16:31 -0700 (PDT) (envelope-from david@landgren.net) Received: from landgren.net (unknown [193.253.40.103]) by mwinf0403.wanadoo.fr (SMTP Server) with ESMTP id E363D50002EF; Sat, 14 Jun 2003 01:16:29 +0200 (CEST) Message-ID: <3EEA5B58.8050301@landgren.net> Date: Sat, 14 Jun 2003 01:16:40 +0200 From: David Landgren Organization: Oh smear this man across the walls/Like strawberries and cream/It's the only way to be User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.4b) Gecko/20030507 X-Accept-Language: en-us, en MIME-Version: 1.0 To: freebsd-questions@freebsd.org References: <20030612113643.E45045@tigger.alkinetworks.com> In-Reply-To: <20030612113643.E45045@tigger.alkinetworks.com> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit cc: Philip Hallstrom Subject: Re: List of popular DNS blacklists for spam? X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 13 Jun 2003 23:16:33 -0000 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