public function setReplyToFromDefault() {
        $replyTo = self::getDefaultReplyTo();
        if($replyTo === null) {
            // require_once 'Zend/Mail/Exception.php';
            throw new Zend_Mail_Exception(
                'No default Reply-To Address set to use');
        }

        $this->setReplyTo($replyTo['email'], $replyTo['name']);

        return $this;
    }