Ron Garret: [ Charset windows-1252 converted... ] > > On Jul 11, 2021, at 12:22 PM, Matus UHLAR - fantomas <uh...@fantomas.sk> > wrote: > > > > >> The problem is that a rejected recipient produces a mailer-daemon reply. > > > > only if you accept mail for such recipient. > > Ah. That may be my problem then. I?m using Dovecot via LMTP for > local delivery. I thought that postfix would receive information > about non-existent users via that protocol, but I guess it doesn?t > and ends up just accepting everything.
That depends on how you configured things. Just put reject_unverified_recipient in smtpd_recipient_restrictions before any 'permit'-like thing. Wietse