Or FWIW, either or both of: default_transport = lmtp:mail.example.com relay_transport = lmtp:mail.example.com
depending on whether the messages to delivered via LMTP are just the inbound traffic, or truly "all mail", even bounces to the original sender, ... > On Jul 25, 2019, at 4:32 PM, Wietse Venema <wie...@porcupine.org> wrote: > > default_transport = lmtp > relayhost = [mail.example.com] -- Viktor.