On 2020-05-08 18:59 BST, Wietse Venema wrote: > Nick: > > 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.
As I said in my original question, I added '-o inet_interfaces=loopback-only' under submission in master.cf and restarted postfix. It made no difference, according to 'ss'. -- Nick
