On Fri, Aug 18, 2017 at 8:24 AM, Viktor Dukhovni <postfix-us...@dukhovni.org> wrote: ... > The "postfix" user is an unprivileged service account (think of it > as a Postfix-specific "nobody" account) used to run internal services > at low-privilege (optionally chrooted with root permissions revoked). > While it is possible to perform some tasks as "postfix", you're not > expected to use that account directly, it is used internally by > the Postfix system as appropriate.
Very clear, Viktor, thanks! -Tom