postalias(1) on macOS
The text 9b9e51f72cc2, as macOS 10.12.6, macOS 10.12.5, macOS 10.12.4, macOS 10.12.3, macOS 10.12.2, macOS 10.12.1, macOS 10.12 shipped it.
Postfix alias database maintenance
Flags it lists
-
-N -
-c -
-d -
-f -
-i -
-n -
-o -
-p -
-q -
-r -
-s -
-u -
-v -
-w