Date: Mon, 26 Jun 2017 07:25:43 -0500 From: Greg Groth <ggroth@gregs-garage.com> To: Janos Dohanics <web@3dresearch.com>, FreeBSD Questions <freebsd-questions@freebsd.org> Subject: Re: PostfixAdmin and System Messages Message-ID: <7d52dd24-6e3b-7bb1-cdc8-847548bda9c4@gregs-garage.com> In-Reply-To: <20170622125948.3f056124a74623c8c7400623@3dresearch.com> References: <4e7f6eaf-3db0-8906-3dd3-9d3b98e7b374@gregs-garage.com> <20170622125948.3f056124a74623c8c7400623@3dresearch.com>
next in thread | previous in thread | raw e-mail | index | archive | help
On 6/22/2017 11:59 AM, Janos Dohanics wrote: > On Wed, 21 Jun 2017 11:21:18 -0500 > Greg Groth <ggroth@gregs-garage.com> 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. >> >> <quote> >> >> 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) >> >> </quote> >> >> 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
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?7d52dd24-6e3b-7bb1-cdc8-847548bda9c4>