smtpd(8) on OpenBSD
The text c1787b1c443f, as OpenBSD 2.9 shipped it.
Obtuse Systems SMTPD message storing daemon
Flags it lists
-
-D -
-H -
-L -
-P -
-c -
-d -
-g -
-i -
-l -
-m -
-p -
-q -
-s -
-u