spamd(8) on OpenBSD
The text 145795bbe38a, as OpenBSD 6.0, OpenBSD 5.9 shipped it.
spam deferral daemon
Flags it lists
-
-4 -
-5 -
-B -
-C -
-K -
-M -
-S -
-Y -
-b -
-c -
-d -
-h -
-l -
-n -
-p -
-s -
-v -
-w -
-y