program/steps/mail/show.inc
@@ -82,8 +82,11 @@ $OUTPUT->set_env('sender', $MESSAGE->sender['string']); // check for unset disposition notification if ($MESSAGE->headers->mdn_to && !$MESSAGE->headers->mdn_sent && $mbox_name != $CONFIG['drafts_mbox'] && $mbox_name != $CONFIG['sent_mbox']) if ($MESSAGE->headers->mdn_to && !$MESSAGE->headers->mdn_sent && $IMAP->check_permflag('MDNSENT') && $mbox_name != $CONFIG['drafts_mbox'] && $mbox_name != $CONFIG['sent_mbox']) { if (intval($CONFIG['mdn_requests']) === 1) {
