Variable: mail-source-movemail-program
mail-source-movemail-program is a customizable variable defined in
mail-source.el.gz.
Value
"movemail"
Documentation
If non-nil, name of program for fetching new mail.
This variable was added, or its default value changed, in Emacs 26.2.
Probably introduced at or before Emacs version 26.2.
Source Code
;; Defined in /usr/src/emacs/lisp/gnus/mail-source.el.gz
(defcustom mail-source-movemail-program "movemail"
"If non-nil, name of program for fetching new mail."
:version "26.2"
:type '(choice (const nil) string))