public static void AddListUser(string domainName, string userName, string NewUserAddressID, MLPERMISSIONS permisson)
 {
     try
     {
         XMLayer xm = new XMLayer();
         xm = XMServer.CreateXMLayer();
         xm.Login();
         xm.AddMailingListUser(domainName, userName, NewUserAddressID, permisson);
         xm.Logout();
     }
     catch (Exception error)
     {
         Log.WriteException(error);
         throw;
     }
 }