From owner-freebsd-questions@FreeBSD.ORG Wed Sep 12 14:28:32 2007 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id A320C16A468 for ; Wed, 12 Sep 2007 14:28:32 +0000 (UTC) (envelope-from derek@computinginnovations.com) Received: from betty.computinginnovations.com (mail.computinginnovations.com [64.81.227.250]) by mx1.freebsd.org (Postfix) with ESMTP id 3F79B13C46E for ; Wed, 12 Sep 2007 14:28:32 +0000 (UTC) (envelope-from derek@computinginnovations.com) Received: from p28.computinginnovations.com (dhcp-10-20-30-100.computinginnovations.com [10.20.30.100]) (authenticated bits=0) by betty.computinginnovations.com (8.13.8/8.12.11) with ESMTP id l8CESPKf021343; Wed, 12 Sep 2007 09:28:25 -0500 (CDT) Message-Id: <6.0.0.22.2.20070912092716.026cedb8@mail.computinginnovations.com> X-Sender: derek@mail.computinginnovations.com X-Mailer: QUALCOMM Windows Eudora Version 6.0.0.22 Date: Wed, 12 Sep 2007 09:27:51 -0500 To: "brad davison" , freebsd-questions@freebsd.org From: Derek Ragona In-Reply-To: References: Mime-Version: 1.0 X-ComputingInnovations-MailScanner-Information: Please contact the ISP for more information X-ComputingInnovations-MailScanner: Found to be clean X-ComputingInnovations-MailScanner-From: derek@computinginnovations.com X-Spam-Status: No Content-Type: text/plain; charset="us-ascii"; format=flowed X-Content-Filtered-By: Mailman/MimeDel 2.1.5 Cc: Subject: Re: Domain of Sender does not exist X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 12 Sep 2007 14:28:32 -0000 At 08:58 AM 9/12/2007, brad davison wrote: >We have SMTP AUTH set up on our mail server. Our mail server accepts mail >for several domains. >x.com >y.com >z.com > >Outgoing messages from [user]@x.com, and [user]@y.com goes out fine, but >emails going out from [user]@z.com are getting: > >Domain of Sender does not exist ([user]@z.com] 5.1.8 > >The oddest thing, is that this server is the MTA for z.com. Sending to >[user]@z.com will end up on this box no problem. > >I did not set up our DNS, and it is in Active Directory. In our DNS >"z.com" in the Forward Lookup Zone has A record for the email server, and >MX record for the email server. > >What could be hanging this up? The x.com and y.com are not specified in >our DNS locally at all, so I am not sure how to model the DNS for these >domains. > >Also, when I 'paused' the z.com zone, I got the >Domain of Sender does not resolve 4.1.8 error. > >Any leads on where my DNS or configs might be not able to resolve this domain? What are you using to send mail? If it is sendmail, sounds like a sendmail error. -Derek -- This message has been scanned for viruses and dangerous content by MailScanner, and is believed to be clean. MailScanner thanks transtec Computers for their support.