/**
 * @param string $subject
 * @param string $content
 * @param string $from
 * @param string $to
 * @param string $end
 */
private function sendNotification( $subject, $content, $from, $to, $end )
{
    $config = Context::getInstance()->get( 'app' )->getConfig();

    // Create the Transport
    $Transport = \Swift_SmtpTransport::newInstance( 'smtp.gmail.com', 465, 'ssl' )
        ->setUsername( $config['mail']['username'] )
        ->setPassword( $config['mail']['password'] );

    $Mailer = \Swift_Mailer::newInstance( $Transport );

    $this->setTemplateName( 'index/mail/' . $end . '_mail' );
    $template = $this->view->getTwigInstance()->loadTemplate( $this->view->getTemplateName() . '.twig' )->render( array(
        'subject'   => $subject,
        'content'   => $content,
    ) );

    // Create a message
    $Message = \Swift_Message::newInstance( $subject )
        ->setFrom( $from )
        ->setTo( $to )
        ->setBody( $template, 'text/html' );

    // Send the message
    $result = $Mailer->send( $Message );
}