public async Task<ActionResult> AddAsync(Subscribe model)
        {
            //ConfirmEmailAddress is a honeypot field
            if (!string.IsNullOrWhiteSpace(model.ConfirmEmailAddress))
            {
                return new HttpStatusCodeResult(HttpStatusCode.BadRequest);
            }


            if (await EmailSubscriptions.AddAsync(this.Tenant, model.EmailAddress).ConfigureAwait(false))
            {
                var email = new SubscriptionWelcomeEmail();
                await email.SendAsync(this.Tenant, model).ConfigureAwait(false);
            }

            await Task.Delay(1000).ConfigureAwait(false);
            return this.Ok();
        }
        public async Task<ActionResult> AddAsync(Subscribe model)
        {
            //ConfirmEmailAddress is a honeypot field
            if (!string.IsNullOrWhiteSpace(model.ConfirmEmailAddress))
            {
                return new HttpStatusCodeResult(HttpStatusCode.BadRequest);
            }

            string catalog = AppUsers.GetCatalog();

            if (EmailSubscriptions.Add(catalog, model.EmailAddress))
            {
                var email = new SubscriptionWelcomeEmail();
                await email.SendAsync(catalog, model);
            }

            Thread.Sleep(1000);
            return Json("OK");
        }