public async Task <bool> RegistrationSuccessEmail(string id) { if (id != null) { var user = await dataContext.Users.SingleOrDefaultAsync(x => x.Id == id); var sendUserBody = EmailGenerator.GenerateRegistrationSuccessEmailTemplate(user.FirstName, user.LastName); await emailSender.SendEmailAsync(sendUserBody, "Registration Successful", user.EmailAddress); return(true); } return(false); }