auto send email when creating contact

[Anatoleq]

I have created a hook to send email to contact automatically after saving contact.
But email is not sent.
code in hook:
<?php

namespace Espo\Custom\Hooks\Contact;

use Espo\ORM\Entity;

class AutoTask extends \Espo\Core\Hooks\Base
{
public function beforeSave(Entity $entity, array $options = array())
{
//$email = $entity->get('emailAddress');
//mail($email,'test crm','test');
$from = 'info@immigrationexam.ca';
$headers = 'From:' . $from;
$email = $entity->get('emailAddress');
//mail($email,'test crm','test');
$to = 'tolyan64@tut.by';
mail($to,$from.'test-1',$email,$headers);
}
}
maybe there is another way to do this via crm?
Thanks in advance