From owner-freebsd-questions@FreeBSD.ORG Tue Feb 15 11:58:03 2005 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 9C44816A4CE for ; Tue, 15 Feb 2005 11:58:03 +0000 (GMT) Received: from mail.freebsd-corp-net-guide.com (mail.freebsd-corp-net-guide.com [65.75.192.90]) by mx1.FreeBSD.org (Postfix) with ESMTP id 2140B43D54 for ; Tue, 15 Feb 2005 11:58:03 +0000 (GMT) (envelope-from tedm@toybox.placo.com) Received: from tedwin2k (nat-rtr.freebsd-corp-net-guide.com [65.75.197.130]) j1FBw2j49113; Tue, 15 Feb 2005 03:58:02 -0800 (PST) (envelope-from tedm@toybox.placo.com) From: "Ted Mittelstaedt" To: "Adi Pircalabu" , Date: Tue, 15 Feb 2005 03:58:01 -0800 Message-ID: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook IMO, Build 9.0.6604 (9.0.2911.0) X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1478 In-Reply-To: <20050215121454.2be41735@apircalabu.dsd.ro> Importance: Normal Subject: RE: mx2.freebsd.org in SORBS, AGAIN! 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: Tue, 15 Feb 2005 11:58:03 -0000 > -----Original Message----- > From: owner-freebsd-questions@freebsd.org > [mailto:owner-freebsd-questions@freebsd.org]On Behalf Of Adi Pircalabu > Sent: Tuesday, February 15, 2005 2:15 AM > To: freebsd-questions@freebsd.org > Subject: Re: mx2.freebsd.org in SORBS, AGAIN! > > > On Sat, 12 Feb 2005 03:18:17 -0800 > "Ted Mittelstaedt" wrote: > > > A spammer is forging several of SORBS spamtrap e-mail > > addresses on their outgoing spams. The spams hit freebsd.org > > which of course is bouncing them back to the sender, which > > is in this case is the spamtrap e-mail addresses. This > > triggers the SORBS autolisting. > > Well, in this case, how about avoiding bounces completely? > Bouncing to a > forged sender address is not the most clever (re)action these days. > Spammers and viruses abuse this succesfully (you pointed this very > well). > I belive that deleting (maybe dropping, tarpitting or deffering - > adjust to taste) these bad bad messages is a better idea. > Once you can figure out how to program the FreeBSD mailservers to determine exactly which incoming message is spam that needs to be dropped, and which is a legitimate message that is just perhaps misspelled and needs to be returned to the sender, your life wouldn't be worth a plugged nickel because every spammer on the face of the Earth would be gunning for you. ;-) Better yet is figuring out how to program a mailserver to determine which incoming mail senders address is the forged one, and which is the real one. A forgery wouldn't be much good if they forged an invalid e-mail address, now would it? ;-) Ted