Date: Mon, 7 Jun 2004 22:52:11 -0700 From: Bill Campbell <freebsd@celestial.com> To: freebsd-questions@freebsd.org Subject: Re: ISPs blocking SMTP connections from dynamic IP address space Message-ID: <20040608055211.GA54386@alexis.mi.celestial.com> In-Reply-To: <200406072214.47057.jaymo@cromagnon.cullmail.com> References: <20040607085739.352eba17.wmoran@potentialtech.com> <200406071511.i57FB3Ol073942@adsl-68-76-19-75.dsl.klmzmi.ameritech.net> <20040607112911.476b0578.wmoran@potentialtech.com> <200406072214.47057.jaymo@cromagnon.cullmail.com>
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On Mon, Jun 07, 2004, Jay Moore wrote: >On Monday 07 June 2004 10:29 am, Bill Moran wrote: > >> > Just make sure they are truly dynamic ips. Many people block ips >> > identified as "DSL" connections. Those are not necessarily dynamic ip >> > based. > >The easiest way I've found to learn if your IP address is "listed", and who is >listing it is: > >http://www.dnsstuff.com/ Telnet to port 25 of any of AOL's MX servers. You will get an immediate rejection notice if they think you're in residential DSL space: mailin-01.mx.aol.com mailin-02.mx.aol.com mailin-03.mx.aol.com mailin-04.mx.aol.com Bill -- INTERNET: bill@Celestial.COM Bill Campbell; Celestial Software LLC UUCP: camco!bill PO Box 820; 6641 E. Mercer Way FAX: (206) 232-9186 Mercer Island, WA 98040-0820; (206) 236-1676 URL: http://www.celestial.com/ ``Rightful liberty is unobstructed action according to our will within limits drawn around us by the equal rights of others. I do not add 'within the limits of the law' because law is often but the tyrant's will, and always so when it violates the rights of the individual.'' -Thomas Jefferson
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