(with-eval-after-load 'mm-decode
(setq
;; mm-attachment-override-types `("text/x-diff" "text/x-patch"
;; ,@mm-attachment-override-types)
mm-discouraged-alternatives '("text/html" "text/richtext")
mm-decrypt-option 'known
(with-eval-after-load 'mm-decode
(setq
;; mm-attachment-override-types `("text/x-diff" "text/x-patch"
;; ,@mm-attachment-override-types)
mm-discouraged-alternatives '("text/html" "text/richtext")
mm-decrypt-option 'known