xdg-email(1) on Linux
The text 4a4106bd9b7b, as Debian 5.0 (Lenny) shipped it.
command line tool for sending mail using the user's preferred e-mail composer
Flags it lists
-
--attach -
--bcc -
--body -
--cc -
--help -
--manual -
--subject -
--utf8 -
--version