Variable: rmail-detect-suspicious-headers
rmail-detect-suspicious-headers is a customizable variable defined in
rmail.el.gz.
Value
t
Documentation
If non-nil, detect and highlight suspicious email addresses in Rmail buffer.
Currently, only the From address is checked.
This variable was added, or its default value changed, in Emacs 31.1.
Probably introduced at or before Emacs version 31.1.
Source Code
;; Defined in /usr/src/emacs/lisp/mail/rmail.el.gz
(defcustom rmail-detect-suspicious-headers t
"If non-nil, detect and highlight suspicious email addresses in Rmail buffer.
Currently, only the From address is checked."
:type 'boolean
:version "31.1"
:group 'rmail
:group 'security)