/**
     * @return bool|Cookie|null
     * @throws Exception
     */
    protected function auth()
    {
        $this->driver->get(self::AUTH_URL);

        $captcha_text = CaptchaService::solve_captcha('normal', $this->driver);

        $this->driver->findElement(WebDriverBy::id('loginform-email'))->sendKeys($this->account->email);
        $this->driver->findElement(WebDriverBy::id('loginform-password'))->sendKeys($this->account->password);
        $this->driver->findElement(WebDriverBy::id('loginform-verifycode'))->sendKeys($captcha_text);

        $this->driver->executeScript("document.getElementsByClassName('btn btn_default btn_action')[0].click()");

        sleep(3);

        $this->driver->wait()->until(WebDriverExpectedCondition::titleIs('Sent Msg - Статистика - Subscribe for future'));

        $PHPSESSID = $this->driver->manage()->getCookieNamed('PHPSESSID');

        $this->driver->manage()->addCookie($PHPSESSID);

        $this->account->phpsessid = $PHPSESSID->getValue();
        $this->account->save();

        return $PHPSESSID;
    }