From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932155AbWFMQB3 (ORCPT ); Tue, 13 Jun 2006 12:01:29 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932161AbWFMQB3 (ORCPT ); Tue, 13 Jun 2006 12:01:29 -0400 Received: from mga05.intel.com ([192.55.52.89]:4277 "EHLO fmsmga101.fm.intel.com") by vger.kernel.org with ESMTP id S932155AbWFMQB2 (ORCPT ); Tue, 13 Jun 2006 12:01:28 -0400 X-IronPort-AV: i="4.06,128,1149490800"; d="scan'208"; a="51395443:sNHT2184824425" Message-ID: <448EE057.6010101@foo-projects.org> Date: Tue, 13 Jun 2006 08:57:11 -0700 From: Auke Kok User-Agent: Mail/News 1.5.0.4 (X11/20060601) MIME-Version: 1.0 To: Marc Perkel CC: linux-kernel@vger.kernel.org Subject: Re: VGER does gradual SPF activation (FAQ matter) References: <200606130300.k5D302rc004233@laptop11.inf.utfsm.cl> <1150189506.11159.93.camel@shinybook.infradead.org> <20060613104557.GA13597@merlin.emma.line.org> <1150201475.12423.12.camel@hades.cambridge.redhat.com> <20060613124944.GA16171@merlin.emma.line.org> <448ED798.2080706@perkel.com> In-Reply-To: <448ED798.2080706@perkel.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-OriginalArrivalTime: 13 Jun 2006 15:57:43.0391 (UTC) FILETIME=[1B181EF0:01C68F02] Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Marc Perkel wrote: > Here's a cheap trick that I use to get rid of a lot of spam. What I do > is set my highest MX record to a nonworking IP address. Spammers often > start at the highest MX rather than the lowest figuring the highest has > less spam filtering. And the spammers never retry. IO get rid of about > 120,000 spams a day with this trick. and this will also get you blacklisted - it is not allowed to have non-working or bogus MX records. See http://www.rfc-ignorant.org/policy-bogusmx.php Auke