Variable: message-sendmail-f-is-evil
message-sendmail-f-is-evil is a customizable variable defined in
message.el.gz.
Value
nil
Documentation
Non-nil means don't add "-f username" to the sendmail command line.
See feedmail-sendmail-f-doesnt-sell-me-out for an explanation
of what the "-f" parameter does.
Source Code
;; Defined in /usr/src/emacs/lisp/gnus/message.el.gz
(defcustom message-sendmail-f-is-evil
;; FIXME: This is related to `mail-specify-envelope-from' but works
;; differently (bug#36937).
nil
"Non-nil means don't add \"-f username\" to the sendmail command line.
See `feedmail-sendmail-f-doesnt-sell-me-out' for an explanation
of what the \"-f\" parameter does."
:group 'message-sending
:link '(custom-manual "(message)Mail Variables")
:type 'boolean)