Variable: gnus-spam-autodetect
gnus-spam-autodetect is a customizable variable defined in gnus.el.gz.
Value
nil
Documentation
Groups in which spam should be autodetected when they are entered.
Only unseen articles will be examined, unless
spam-autodetect-recheck-messages is set.
Source Code
;; Defined in /usr/src/emacs/lisp/gnus/gnus.el.gz
(defvar gnus-spam-autodetect)