Nick:
> On 2020-05-08 18:41 BST, Wietse Venema wrote:
> > master.cf settings override main.cf settings, and main.cf settings
> > override built-in default settings.
> >
> > You can configure Postfix receive email on any IP address, as long
> > as the IP address is configured (as primary or alias).
>
> I'll try again at my question, maybe it wasn't clear. On my server,
> 'ss -l -4 -t' show postfix listening on these addresses:
>
> 0.0.0.0:submission
> 0.0.0.0:smtp
>
> Can postfix be configured such that it changes to
>
> 127.0.0.1:submission
> 0.0.0.0:smtp
>
> (and similarly for ipv6)?
If you want two services to listen on different IP addresses, then
that requires an override in master.cf for at last one of the two
services. I am just repeating information that I already gave.
Wietse
