> On Sep 30, 2018, at 2:51 PM, Max Mustermann <t...@ja.nl.eu.org> wrote: > > Usually it's a mistake to test if the user is root. > POSIX does not even require a root user.
This is not a productive discussion... The Postfix deployment scripts reasonably expect to be able to chown files to "root", or check whether they belong to "root". That is they expect a reasonably standard Unix system. No further comment. -- Viktor.