public IHttpActionResult AddEmail(Email email)
        {
            int mail;

            if (email == null)
            {
                return(BadRequest(Resources.EmptyEmail));
            }

            try
            {
                mail = _emailEmailManager.AddEmail(User.GetUserId(), email);
            }
            catch (ValidationException exception)
            {
                return(BadRequest(exception.Message));
            }

            email.Id = mail;
            return(Created($"{mail}", email));
        }