From owner-freebsd-questions@FreeBSD.ORG Wed Aug 6 10:26:55 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 2EA9337B401 for ; Wed, 6 Aug 2003 10:26:55 -0700 (PDT) Received: from dan.emsphone.com (dan.emsphone.com [199.67.51.101]) by mx1.FreeBSD.org (Postfix) with ESMTP id 7E8B843FA3 for ; Wed, 6 Aug 2003 10:26:54 -0700 (PDT) (envelope-from dan@dan.emsphone.com) Received: (from dan@localhost) by dan.emsphone.com (8.12.9/8.12.9) id h76HQsYA092103 for questions@freebsd.org; Wed, 6 Aug 2003 12:26:54 -0500 (CDT) (envelope-from dan) Date: Wed, 6 Aug 2003 12:26:54 -0500 From: Dan Nelson To: questions@freebsd.org Message-ID: <20030806172653.GC3366@dan.emsphone.com> References: <25533.63.104.35.130.1060186797.squirrel@email.polands.org> <20030806094911.A18052@barryg.mi.celestial.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20030806094911.A18052@barryg.mi.celestial.com> X-OS: FreeBSD 5.1-CURRENT X-message-flag: Outlook Error User-Agent: Mutt/1.5.4i Subject: Re: ISPs blocking SMTP connections from dynamic IP address space 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: Wed, 06 Aug 2003 17:26:55 -0000 In the last episode (Aug 06), Bill Campbell said: > On Wed, Aug 06, 2003 at 11:19:57AM -0500, Doug Poland wrote: > >Within the last two months both AOL and Time Warner Road Runner have > >implemented port 25 blocks from hosts with IP addresses in the > >"dynamic address space". Time Warner claims other major ISPs > >are/will be implementing the same policy. > > > >Is anyone else uneasy with this trend? Maybe it's just me and I > >don't like being discriminated against because I don't have the > >money to own static IP addresses. One would think groups of > >responsible and technically competent users would be organizing > >against this trend and attempting to make their voice heard. > > For every *bsd/Linux/Unix user who has enough clue to run servers > properly, there are thousands of clueless folks who connect their > Microsoft Windows viruses directly to the Internet where they're > subject to abuse from the outside world. Right; I've blocked most broadband domains and bouce an awful lot of spam. In the last 12 hours, I've blocked 121 spams this way (about 10% of the total blocked spam). I don't block by IP range, just domain; emails from people that have set up forward and reverse DNS pointing to their own domain pass right through. Whenever a customer complains, I point them to their ISP's help pages. For example, business RoadRunner users should be relaying their outgoing emails through smtp.biz.rr.com, according to http://www.help.rr.com/getpage.asp?/faqs/e_biz_emailserveraddysbc.html. -- Dan Nelson dnelson@allantgroup.com