On 27.09.22 20:21, Eddie Rowe wrote:
I tried the 2nd and 3rd option during my troubleshooting before my post,
reloaded the configuration and even bounced the service without anything
changing. The first option does not have the domain included and I am
leery of changing an OS file like /etc/hostname for fear of some
application breaking after the change.
it's possible that other mail client sending mail creates from address as
myhostname.mydomain and postfix won't touch that.
in e.g. debian, the hostname used for mailing is set in /etc/mailname and
both postfix and other mail programs use read it to set the domain part of
mail, but you should be sure if the sending program uses that.
-----Original Message-----
From: owner-postfix-us...@postfix.org <owner-postfix-us...@postfix.org> On
Behalf Of Wietse Venema
Sent: Tuesday, September 27, 2022 2:24 PM
To: postfix-users@postfix.org
Subject: Re: Wrong Domain in Null Client Setup
Viktor Dukhovni:
The options are:
- Set a FQDN in /etc/hostname (or equivalent)
- Set a FQDN in main.cf:myhostname
- Set main.cf:mydomain
Postfix will not rely on DNS to figure out its domain name, because it must be
able to run when the network is down.
Wietse
Wietse
Postfix must be able to run on a disconnected machine, and therefore it cannot
use DNS to figure out the domain portion of
Wietse
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