add mail forwarding

app/UI/Admin/ProductConfiguration/Pages/Sections/GeneralFeatures.php

@@ -61,6 +61,9 @@ class GeneralFeatures extends BoxSectionExtended implements AdminArea
         $field = new Switcher('zimbraDumpsterEnabled');
         $left->addField($field);
 
+        $field = new Switcher('zimbraPrefMailLocalDeliveryDisabled');
+        $left->addField($field);
+
         return $left;
 
     }
@@ -96,6 +99,9 @@ class GeneralFeatures extends BoxSectionExtended implements AdminArea
         $field = new Switcher('zimbraDumpsterPurgeEnabled');
         $right->addField($field);
 
+        $field = new Switcher('zimbraFeatureMailForwardingEnabled');
+        $right->addField($field);
+
         return $right;
     }