Hello,
listen on localhost table aliases db:/etc/aliases.db table secrets db:/etc/smtpd.secrets.db
(Just use file. There is no gain in using Berkeley DB.)
expire 4h
accept from local for any relay via \ smtps+auth://gm...@smtp.gmail.com:465 \ as tschwei...@gmail.com \ auth <secrets> verify https://man.openbsd.org/OpenBSD-6.3/smtpd.conf#relay_via hth
