From owner-freebsd-questions Wed Feb 4 13:25:43 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id NAA14089 for questions-outgoing; Wed, 4 Feb 1998 13:25:43 -0800 (PST) (envelope-from owner-freebsd-questions@FreeBSD.ORG) Received: from infowest.com (infowest.com [204.17.177.10]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id NAA14022 for ; Wed, 4 Feb 1998 13:25:35 -0800 (PST) (envelope-from agifford@infowest.com) Received: from infowest.com (homework.infowest.com [207.49.60.254]) by infowest.com (8.8.5/8.8.5) with ESMTP id OAA12374 for ; Wed, 4 Feb 1998 14:25:22 -0700 (MST) Message-ID: <34D8DC59.E2AE67F9@infowest.com> Date: Wed, 04 Feb 1998 21:23:37 +0000 From: "Aaron D. Gifford" X-Mailer: Mozilla 4.03 [en] (X11; U; FreeBSD 2.2.5-STABLE i386) MIME-Version: 1.0 To: questions@FreeBSD.ORG Subject: Re: why must POP clients have a resolvable IP ? what about dynamic IPs ? References: 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" Steve Hovey wrote: > > It doesnt have to do with dynamic IPs - it has to do with that ISP failing > to set up proper in-addr.arpa in his name service. > > On Wed, 4 Feb 1998, chas wrote: > > > I'm sure we've all seen this error message before : > > > > >> 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 ? > > > > Thank you very much, > > > > chas > > > > > > > > ------------------------------------------------------------------ > Steve Hovey > Chief Engineer > BuffNET More Than Just a Connection! > ------------------------------------------------------------------ Hmmm, I've seen these sorts of popper complaints in my logs even though I have a working, tested, and accurate reverse DNS setup. Aaron out.