smd-push(1) on Linux
The text f0dcf190cfe4, as Debian 7 (Wheezy) shipped it.
syncs the remote mail dir letting the local one untouched
Flags it lists
-
--dry-run -
--no-delete -
--show-tags -
--template-only -
--verbose -
-d -
-n -
-s -
-t -
-v