email-print-mime-structure(1) on Linux
The text b7d66816a993, as Debian 11 (Bullseye) shipped it.
display a tree-like view of the MIME structure of an e-mail
Flags it lists
-
--cmskey -
--help -
--no-use-gpg-agent -
--pgpkey -
--use-gpg-agent -
-h