From owner-freebsd-questions Wed Feb 4 07:32:21 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id HAA02727 for questions-outgoing; Wed, 4 Feb 1998 07:32:21 -0800 (PST) (envelope-from owner-freebsd-questions@FreeBSD.ORG) Received: from horton.iaces.com (horton.iaces.com [204.147.87.98]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id HAA02716 for ; Wed, 4 Feb 1998 07:32:13 -0800 (PST) (envelope-from proot@horton.iaces.com) Received: (from proot@localhost) by horton.iaces.com (8.8.7/8.8.7) id JAA03752; Wed, 4 Feb 1998 09:30:31 -0600 (CST) From: "Paul T. Root" Message-Id: <199802041530.JAA03752@horton.iaces.com> Subject: Re: why must POP clients have a resolvable IP ? what about dynamic IPs ? To: jack@germanium.xtalwind.net (jack) Date: Wed, 4 Feb 1998 09:30:31 -0600 (CST) Cc: panda@peace.com.my, questions@FreeBSD.ORG In-Reply-To: from jack at "Feb 4, 98 09:18:37 am" X-Organization: USWEST !nterprise Networking - ACES X-Phone: (612) 664-3385 X-Fax: (612) 664-4779 X-Page: (800) SKY-PAGE PIN: 537-7270 X-Address: 600 Stinson Blvd, Fl 1S X-Address: Minneapolis, MN 55413 X-Mailer: ELM [version 2.4ME+ PL22 (25)] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG X-To-Unsubscribe: mail to majordomo@FreeBSD.org "unsubscribe questions" In a previous message, jack said: > On Wed, 4 Feb 1998, chas wrote: > > > >> popper[14612]: (v2.2) Unable to get canonical name of client, err = 0 > > > > And checking the archives again, the explanation is : > > > > [snip] > > "This means it can't get the domain name of the IP that is using popper. > > Try doing a nslookup on the IP, if it fails that is the reason." > > "You need to put the IP address of your client in the named or hosts." > > [/snip] > > > > But the people who are collecting their mail via POP from our mailserver > > are accessing the web through the local ISP (which is not us.) and hence > > they have dynamic IPs. Is there any way to solve this in such circumstances ? > > Convince the ISP to fix his reverse DNS resolution. There's nothing that says that they have to resolve to the real name. They should be able to put up a fake reverse table at the vary least. Or perhaps you could just so it resolves. -- If the good lord had wanted man to stay on the ground, he would have given us roots.