t-prot(1) on Linux
The text ee1a953702e1, as Debian 3.0 (Woody) shipped it.
TOFU Protection - Display Filter for RFC822 messages
Flags it lists
-
--debug -
--diff -
--help -
--mua -
--version -
-A -
-L -
-M -
-P -
-S -
-a -
-c -
-d -
-e -
-h -
-i -
-l -
-m -
-o -
-p -
-r -
-s -
-t -
-v -
-w