Variable: mail-source-report-new-mail-interval
mail-source-report-new-mail-interval is a customizable variable
defined in mail-source.el.gz.
Value
5
Documentation
Interval in minutes between checks for new mail.
Source Code
;; Defined in /usr/src/emacs/lisp/gnus/mail-source.el.gz
(defcustom mail-source-report-new-mail-interval 5
"Interval in minutes between checks for new mail."
:type 'number)