re-configure mail apps on mail fqdn change

src/views/email.js

@@ -658,7 +658,7 @@ angular.module('Application').controller('EmailController', ['$scope', '$locatio
         $location.path('/email/' + $scope.domain.domain, false);
     };
 
-    // this is required because we need to rewrite the MAIL_DOMAINS env var
+    // this is required because we need to rewrite the CLOUDRON_MAIL_SERVER_HOST env var
     $scope.reconfigureEmailApps = function () {
         var installedApps = Client.getInstalledApps();
         for (var i = 0; i < installedApps.length; i++) {