postsuper(1) on macOS
The text 833fff2c7f4c, as Mac OS X 10.7.5, Mac OS X 10.7.4, Mac OS X 10.7.3, Mac OS X 10.7.2, Mac OS X 10.7.1, Mac OS X 10.7 shipped it.
Postfix superintendent
Flags it lists
-
-H -
-c -
-d -
-h -
-p -
-r -
-s -
-v