> On Dec 11, 2018, at 4:40 PM, Stefan Bauer <cubew...@googlemail.com> wrote: > > exchange unix - - n - - smtp > -o smtp_sender_dependent_authentication=no > -o transport_maps=hash:/etc/postfix/transport_internal
No the "transport_maps" setting goes in main.cf. Transport lookups are global. See: http://www.postfix.org/OVERVIEW.html -- Viktor.