Variable: rmail-file-name
rmail-file-name is a customizable variable defined in rmail.el.gz.
Value
"~/RMAIL"
Documentation
Name of user's primary mail file.
This variable was added, or its default value changed, in Emacs 21.1.
Source Code
;; Defined in /usr/src/emacs/lisp/mail/rmail.el.gz
;;;###autoload
(defcustom rmail-file-name (purecopy "~/RMAIL")
"Name of user's primary mail file."
:type 'string
:group 'rmail
:version "21.1")