"Insert a Mail-Followup-To header before previewing an article.
Should be adopted if code in `message-send-mail' is changed."
(when (and (message-mail-p)
(message-subscribed-p)
(not (mail-fetch-field "mail-followup-to"))
"Insert a Mail-Followup-To header before previewing an article.
Should be adopted if code in `message-send-mail' is changed."
(when (and (message-mail-p)
(message-subscribed-p)
(not (mail-fetch-field "mail-followup-to"))