xfmail(1) on Linux
The text 41aff2e84ae5, as Debian 3.0 (Woody) shipped it.
XForms based mailer application
Flags it lists
-
-bw -
-cfgdir -
-cfgfile -
-compose -
-display -
-double -
-geometry -
-help -
-iconic -
-message -
-private -
-readonly -
-s -
-shared -
-standard -
-subject -
-withhdr