mail: refresh config on location change

src/views/emails.js

@@ -167,6 +167,8 @@ angular.module('Application').controller('EmailsController', ['$scope', '$locati
                 $scope.mailLocation.reconfigure = true; // reconfigure email apps when task done
                 $scope.mailLocation.updateStatus();
 
+                Client.refreshConfig(); // update config.mailFqdn
+
                 $('#mailLocationModal').modal('hide');
             });
         }