Ticket #11752: 11752.diff

wp-includes/ms-functions.php

@@ -2398 +2398 @@
 }
 
 function maybe_cancel_post_by_email() {
-        if ( false == defined( 'POST_BY_EMAIL' ) ) {
+        if ( !defined( 'POST_BY_EMAIL' ) || !POST_BY_EMAIL ) {
                 die( __( 'This action has been disabled by the administrator' ) );
         }
 }