public async Task <IActionResult> Post(Mail mail)
{
if (mail.IsValid())
{
mail.SetPixel(Request.Scheme + "://" + Request.Host + Request.PathBase +
Url.Action("getPixel", "Track"));
await _service.AddMail(mail);
return(Ok(mail.Id));
}
return(NotFound("The email must have a receiver, sender and a body."));
}