Variable: rmail-summary-starting-message
rmail-summary-starting-message is a customizable variable defined in
rmailsum.el.gz.
Value
1
Documentation
Message number to start summarizing at.
Source Code
;; Defined in /usr/src/emacs/lisp/mail/rmailsum.el.gz
(defcustom rmail-summary-starting-message 1
"Message number to start summarizing at."
:type 'integer
:group 'rmail-summary)