Return-Path: Delivered-To: apmail-spamassassin-users-archive@www.apache.org Received: (qmail 700 invoked from network); 30 Dec 2010 18:37:23 -0000 Received: from unknown (HELO mail.apache.org) (140.211.11.3) by 140.211.11.9 with SMTP; 30 Dec 2010 18:37:23 -0000 Received: (qmail 99959 invoked by uid 500); 30 Dec 2010 18:37:20 -0000 Delivered-To: apmail-spamassassin-users-archive@spamassassin.apache.org Received: (qmail 99936 invoked by uid 500); 30 Dec 2010 18:37:20 -0000 Mailing-List: contact users-help@spamassassin.apache.org; run by ezmlm Precedence: bulk list-help: list-unsubscribe: List-Post: List-Id: Delivered-To: mailing list users@spamassassin.apache.org Received: (qmail 99929 invoked by uid 99); 30 Dec 2010 18:37:20 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 30 Dec 2010 18:37:20 +0000 X-ASF-Spam-Status: No, hits=-0.7 required=10.0 tests=RCVD_IN_DNSWL_LOW,SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (nike.apache.org: domain of dfs@roaringpenguin.com designates 70.38.112.54 as permitted sender) Received: from [70.38.112.54] (HELO colo3.roaringpenguin.com) (70.38.112.54) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 30 Dec 2010 18:37:14 +0000 Received: from vanadium.roaringpenguin.com (vanadium.roaringpenguin.com [192.168.10.23]) by colo3.roaringpenguin.com (8.14.3/8.14.3/Debian-5+lenny1) with ESMTP id oBUIapGu032247; Thu, 30 Dec 2010 13:36:51 -0500 Received: from hydrogen.roaringpenguin.com (hydrogen.roaringpenguin.com [192.168.10.1]) by vanadium.roaringpenguin.com (8.14.3/8.14.3/Debian-5+lenny1) with ESMTP id oBUIaoAo005887 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES128-SHA bits=128 verify=NOT); Thu, 30 Dec 2010 13:36:51 -0500 Date: Thu, 30 Dec 2010 13:36:50 -0500 From: "David F. Skoll" To: "users@spamassassin.apache.org" Cc: Rob McEwen , John Levine Subject: Re: IPv6 DNSBL/WL design, was Fwd: [Asrg] draft-levine-iprangepub-01 Message-ID: <20101230133650.0990b99d@hydrogen.roaringpenguin.com> In-Reply-To: <4D1CD0A8.5040503@invaluement.com> References: <4D1BC782.6010901@ipinc.net> <20101230171307.20502.qmail@joyce.lan> <20101230124731.0cf022a4@hydrogen.roaringpenguin.com> <4D1CCD17.3050604@invaluement.com> <20101230132612.4766aab1@hydrogen.roaringpenguin.com> <4D1CD0A8.5040503@invaluement.com> Organization: Roaring Penguin Software Inc. X-Mailer: Claws Mail 3.7.6 (GTK+ 2.12.12; i686-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=roaringpenguin.com; h=date :from:to:cc:subject:message-id:in-reply-to:references :mime-version:content-type:content-transfer-encoding; s=beta; bh=N5C144Wr1C0WHGRIfd1YUPbewsI=; b=YWbAQQkEHSxSR1G0c85k55tHQ0vb Dpl5YJ7YAZAhvHdG/jX1pckiVIUG8vx0Lq2TjOngjZtoaXmaSw2ki37xvdyWmvFl WdGGcLDPAeZXFMkppPMqL8/ZAxBB/r4WjazRrodqyAV/yBvTk+s4rByFf3qUUVBA piUJfHpeWlAmtyk= X-Scanned-By: CanIt (www . roaringpenguin . com) on 192.168.7.18 X-Scanned-By: MIMEDefang 2.72 on 192.168.10.23 X-Spam-Score: undef - spam scanning disabled X-CanIt-Geo: No geolocation information available for 192.168.10.23 X-CanItPRO-Stream: outgoing (inherits from default) X-Virus-Checked: Checked by ClamAV on apache.org On Thu, 30 Dec 2010 13:34:16 -0500 Rob McEwen wrote: > Does John's system do anything to prevent a spammer from sending a > million different spams from a million different IPs (one-ip-per-spam) > ...with that IP never to be heard from again)? Well, obviously not. Nothing can control what a spammer does. John's system ensures that *if* a spammer does that, *then* you don't blow your DNS servers' caches (assuming the blacklist operator has constructed the blacklist properly.) Regards, David.