cyrus-ipurge(8) on Linux
The text 375d79fdede2, as Debian 11 (Bullseye) shipped it.
Cyrus IMAP documentation Delete mail from IMAP mailbox or partition based on age or size
Flags it lists
-
-C -
-X -
-b -
-d -
-f -
-i -
-k -
-m -
-n -
-o -
-s -
-v -
-x