+(defun message-use-alternative-email-as-from ()
+ (require 'mail-utils)
+ (let* ((fields '("To" "Cc"))
+ (emails
+ (split-string
+ (mail-strip-quoted-names
+ (mapconcat 'message-fetch-reply-field fields ","))
+ "[ \f\t\n\r\v,]+"))
+ email)
+ (while emails
+ (if (string-match message-alternative-emails (car emails))
+ (setq email (car emails)
+ emails nil))
+ (pop emails))
+ (unless (or (not email) (equal email user-mail-address))
+ (goto-char (point-max))
+ (insert "From: " email "\n"))))
+
+(defun message-options-get (symbol)
+ (cdr (assq symbol message-options)))
+
+(defun message-options-set (symbol value)
+ (let ((the-cons (assq symbol message-options)))
+ (if the-cons
+ (if value
+ (setcdr the-cons value)
+ (setq message-options (delq the-cons message-options)))
+ (and value
+ (push (cons symbol value) message-options))))
+ value)
+
+(defun message-options-set-recipient ()
+ (save-restriction
+ (message-narrow-to-headers-or-head)
+ (message-options-set 'message-sender
+ (mail-strip-quoted-names
+ (message-fetch-field "from")))
+ (message-options-set 'message-recipients
+ (mail-strip-quoted-names
+ (message-fetch-field "to")))))
+