Variable: nnmail-prepare-incoming-hook
nnmail-prepare-incoming-hook is a customizable variable defined in
nnmail.el.gz.
Value
nil
Documentation
Hook called before treating incoming mail.
The hook is run in a buffer with all the new, incoming mail.
Source Code
;; Defined in /usr/src/emacs/lisp/gnus/nnmail.el.gz
(defcustom nnmail-prepare-incoming-hook nil
"Hook called before treating incoming mail.
The hook is run in a buffer with all the new, incoming mail."
:group 'nnmail-prepare
:type 'hook)