Function: smime-mail-to-domain
smime-mail-to-domain is a byte-compiled function defined in
smime.el.gz.
Signature
(smime-mail-to-domain MAILADDR)
Source Code
;; Defined in /usr/src/emacs/lisp/gnus/smime.el.gz
;; Find certificates
(defun smime-mail-to-domain (mailaddr)
(if (string-match "@" mailaddr)
(replace-match "." 'fixedcase 'literal mailaddr)
mailaddr))