(when (and (notmuch-mua-check-no-misplaced-secure-tag)
(notmuch-mua-check-secure-tag-has-newline))
(letf (((symbol-function 'message-do-fcc) #'notmuch-maildir-message-do-fcc))
(when (and (notmuch-mua-check-no-misplaced-secure-tag)
(notmuch-mua-check-secure-tag-has-newline))
(letf (((symbol-function 'message-do-fcc) #'notmuch-maildir-message-do-fcc))