public static SpamExpertsResult AddEmailFilter(int packageId, string username, string password, string domain) { int serviceId = GetServiceId(packageId); if (!IsPackageServiceEnabled(packageId, serviceId)) { return(new SpamExpertsResult(SpamExpertsStatus.Error, "Service not enabled")); } if (Convert.ToBoolean(PackageController.GetPackageQuota(packageId, Quotas.FILTERS_ENABLE_EMAIL_USERS).QuotaAllocatedValue)) { SpamExperts server = GetServer(serviceId); return(server.AddEmailFilter(username, domain, password)); } return(new SpamExpertsResult(SpamExpertsStatus.Error, "Service not enabled for users")); }