From owner-freebsd-questions@freebsd.org Mon Jun 26 12:25:53 2017 Return-Path: Delivered-To: freebsd-questions@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 14DA9DA9681 for ; Mon, 26 Jun 2017 12:25:53 +0000 (UTC) (envelope-from ggroth@gregs-garage.com) Received: from mail.gregs-garage.com (99-158-164-253.uvs.cicril.sbcglobal.net [99.158.164.253]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id ACA6876C20 for ; Mon, 26 Jun 2017 12:25:52 +0000 (UTC) (envelope-from ggroth@gregs-garage.com) Received: from localhost (localhost [127.0.0.1]) by mail.gregs-garage.com (Postfix) with ESMTP id BEC9566E089; Mon, 26 Jun 2017 05:27:59 -0500 (CDT) Received: from mail.gregs-garage.com ([127.0.0.1]) by localhost (mail.gregs-garage.com [127.0.0.1]) (maiad, port 10024) with ESMTP id 01776-09; Mon, 26 Jun 2017 05:27:59 -0500 (CDT) Received: from [10.10.2.61] (107-1-251-97-ip-static.hfc.comcastbusiness.net [107.1.251.97]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: ggroth@gregs-garage.com) by mail.gregs-garage.com (Postfix) with ESMTPSA id 8340966DF1B; Mon, 26 Jun 2017 05:27:59 -0500 (CDT) Subject: Re: PostfixAdmin and System Messages To: Janos Dohanics , FreeBSD Questions References: <4e7f6eaf-3db0-8906-3dd3-9d3b98e7b374@gregs-garage.com> <20170622125948.3f056124a74623c8c7400623@3dresearch.com> From: Greg Groth Message-ID: <7d52dd24-6e3b-7bb1-cdc8-847548bda9c4@gregs-garage.com> Date: Mon, 26 Jun 2017 07:25:43 -0500 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.2.0 MIME-Version: 1.0 In-Reply-To: <20170622125948.3f056124a74623c8c7400623@3dresearch.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Content-Language: en-US X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 26 Jun 2017 12:25:53 -0000 On 6/22/2017 11:59 AM, Janos Dohanics wrote: > On Wed, 21 Jun 2017 11:21:18 -0500 > Greg Groth wrote: > >> After 20 years of Sendmail, I've built a new mail server using the >> guidelines outlined at purplehat.org. So far, everything is working >> great except that my system messages that used to be delivered to my >> account are MIA. I do have an alias in /etc/aliases from root to my >> email address hosted on the same server, but I don't know if >> Postfix / PostfixAdmin uses the /etc/aliases when configured to use >> virtual aliases. I also added a virtual alias from >> root@domainname.com to user@domainname.com >> >> A little more history: In the purplehat.org documentation was the >> following note. >> >> >> >> If you are receiving errors in your logs about $mydestination, be >> sure that _ANY_ ?virtual? domain you are hosting is _NOT_ listed in >> your /etc/hosts file. Apparently this causes a problem being as >> Postfix cannot determine if the domain is virtual or not. (Thanks >> Valentin) >> >> >> >> I am only running a single doman on the server, but because of the >> above message, I specifically avoided entering the mail server's >> internal IP address and FQDN in /etc/hosts. However, when I looked >> at my maillog I noted that Postfix was trying to send the system >> emails to my mail server's outside IP address, which obviously didn't >> reply. >> >> While I run my own DNS server on the same box as my mail server, it's >> serving the external IP addresses to the outside world. It's >> currently 1 of 2 machines on my DMZ, which has a non-routable IP >> range of 192.168.100.X. Because of there only being two machines, I >> use /etc/hosts for any needed name resolution on the network, and my >> /etc/resolv.conf is pointed at 8.8.8.8 & 8.8.4.4. >> >> Because of this issue, I then decided to try adding an entry to my >> /etc/hosts file : >> >> 192.168.100.10 domainname.com mail.domainname.com >> >> Now when I check the maillog, although it is now finding the mail >> server, I see that my system emails are now being routed to >> root@mail.domainname.com instead of root@domainname.com. >> >> Based on what I'm seeing, I'm assuming that this is more of a DNS >> issue than Postfix, I'm just not sure if I can use the hosts file to >> fix it or if I should try to install a local DNS server just for my >> DMZ for the system emails? Other than the system emails, everything >> else has been working great. Any thoughts? >> >> Regards, >> >> Greg Groth > Greg, > > what's the output of: > > postconf myhostname > > and > > postconf mydestination > > ? Thanks for replying. postconf myhostname responds with the FQDN of the server - myhostname = mail.mydomain.com postconf mydestination responds with - mydestination = localhost.$mydomain, localhost, lists.mydomain.com Best regards, Greg Groth