From owner-freebsd-questions@FreeBSD.ORG Fri Apr 29 14:07:55 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 BDA4616A4D0 for ; Fri, 29 Apr 2005 14:07:55 +0000 (GMT) Received: from herbert.sohotech.ca (herbert.sohotech.ca [206.116.63.239]) by mx1.FreeBSD.org (Postfix) with ESMTP id 0FDB843D2D for ; Fri, 29 Apr 2005 14:07:55 +0000 (GMT) (envelope-from greg@grokking.org) Received: from localhost (unknown [127.0.0.1]) by herbert.sohotech.ca (Postfix) with ESMTP id 3937917D72F for ; Fri, 29 Apr 2005 07:07:52 -0700 (PDT) Received: from herbert.sohotech.ca ([127.0.0.1]) by localhost (herbert.sohotech.ca [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 88497-08 for ; Fri, 29 Apr 2005 07:07:50 -0700 (PDT) Received: from [192.168.1.6] (chomsky.sohotech.ca [192.168.1.6]) by herbert.sohotech.ca (Postfix) with ESMTP id C38C9175C35 for ; Fri, 29 Apr 2005 07:07:50 -0700 (PDT) Message-ID: <42723FB6.5030109@grokking.org> Date: Fri, 29 Apr 2005 07:07:50 -0700 From: "greg@grokking.org" User-Agent: Mozilla Thunderbird 1.0.2 (X11/20050324) X-Accept-Language: en-us, en MIME-Version: 1.0 To: freebsd-questions@freebsd.org References: <20050429101441.50803.qmail@web31303.mail.mud.yahoo.com> In-Reply-To: <20050429101441.50803.qmail@web31303.mail.mud.yahoo.com> X-Enigmail-Version: 0.90.2.0 X-Enigmail-Supports: pgp-inline, pgp-mime Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Virus-Scanned: amavisd-new at sohotech.ca Subject: Re: FreeBSD mailing list reverse DNS problem 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: Fri, 29 Apr 2005 14:07:56 -0000 Ihsan wrote: > Hi all, > > I am registered to this mailing list under a different > e-mail which I can't seem to use to send mails to this > list. FreeBSD MXs kept rejecting my server with 450 > Client host rejected. cannot find hostname, > [202.71.100.92] (in reply to RCPT TO command) > > I've checked and rechecked with internal and external > name servers which allow foreign queries that my IP is > resolvable to anggerik.meltechsystems.net (dig -x > 202.71.100.92) but somehow FreeBSD servers couldn't > get the reverse information. > > How can I troubleshoot this problem? I'm running out > of practical ideas already. > Did you recently (i.e. last couple of days) change your DNS for that host-IP combo? It might take some nameservers (esp. ones with long cache lifetimes) a bit of time to acquire the new information. I had this problem when I first tried to subscribe to this list. A couple hours later I tried again and it worked. cheers, G