protected function sendActivationMail($user)
    {
        //Creates the token
        $token = $this->Token->create($user->email, ['type' => 'signup', 'user_id' => $user->id]);

        return $this->getMailer('MeCms.User')
            ->set('url', Router::url(['_name' => 'activation', $user->id, $token], true))
            ->send('activation', [$user]);
    }