public IActionResult Reject(string email, string key) { var unsubscribed = newsletterService.UnSubscribe(email, key); if (!unsubscribed) { TempData.AddErrorMessage($"This email {email} is not currently subscribed"); } else { TempData.AddSuccessMessage($"Your email {email} was successfully Unsubscribed!"); } return(RedirectToAction( nameof(HomeController.Index), "Home", new { area = string.Empty })); }