On 10 Feb 2021, at 07:36, Chris Green <c...@isbd.net> wrote: > So myhostname isn't explicitly set. That is correct. Myshostname is not normally set, it is taken from the machine name by postfix. The only reason you would declare it in main.cf is to override the name for some reasons.
postconf -d myhostname Will return the DEFAULT value for myhostname. Should be unique to each of your machines. -- "Life is one damned kitten after another." Mehitabel the Alley Cat
