protected function _linkEmails($text, $options)
    {
        $replace = [];
        foreach ($this->_placeholders as $hash => $content) {
            $url = $content['content'];
            $envelope = $content['envelope'];
            $replace[$hash] = $envelope[0] . $this->Html->link($url, 'mailto:' . $url, $options) . $envelope[1];
        }

        return strtr($text, $replace);
    }