doveadm-acl(1) on Linux
The text 4439cca58416, as Debian 12 (Bookworm), Debian 11 (Bullseye), Debian 10 (Buster) shipped it.
Manage Access Control List (ACL)
Flags it lists
-
-A -
-D -
-F -
-S -
-f -
-o -
-u -
-v