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)? Thanks, -- Nick
