Where/what is the -D in your master.cf file ????
> On 11 Dec 2018, at 14:35, Marco Fioretti <marco.fiore...@gmail.com> wrote: > > /etc/postfix/master.cf: unused > parameter: flags=D" Robert Chalmers https://robert-chalmers.uk aut...@robert-chalmers.uk @R_A_Chalmers