smtpd(8) on Linux
The text a3c5b80ef23f, as Debian 4.0 (Etch), Debian 3.1 (Sarge), Debian 2.2 (Potato) shipped it.
SMTP message storing daemon
Flags it lists
-
-D -
-H -
-L -
-P -
-c -
-d -
-g -
-m -
-s -
-u