public function send($template, $data, $callback)
{
$builder = $this->mailer->MessageBuilder();
$message = new message($builder);
$message->from($this->config->get('mail.from'));
$this->view->appendData($data);
$message->body($this->view->render($template));
call_user_func($callback, $message);
$domain = $this->config->get('mail.domain');
$this->mailer->post("{$domain}/messages", $builder->getMessage());
}