kuvert_submit(1) on Linux
The text 5b7f8853640e, as Debian 10 (Buster) shipped it.
MTA wrapper for mail submission to kuvert(1)
Flags it lists
-
-f -
-t
The text 5b7f8853640e, as Debian 10 (Buster) shipped it.
MTA wrapper for mail submission to kuvert(1)
-f
-t