public function send($subject, $content, $to, $fromName = '', $fromEmail = '')
    {
        $mail      = new CakeEmail();
        $fromName  = ($fromName !== '') ? $fromName : $this->_fromName;
        $fromEmail = ($fromEmail !== '') ? $fromEmail : $this->_fromEmail;
        $transport = new MailTransport();

        return $mail
            ->setTransport($transport)
            ->setTemplate($this->_tpl)
            ->setEmailFormat($this->_format)
            ->setFrom($fromEmail, $fromName)
            ->setTo($to)
            ->setSubject($subject)
            ->setViewVars(['page_title' => $subject])
            ->send($content);
    }