Helper\Mailer\CoreSend::isAvailable PHP Method

    public function isAvailable()
    {
        $className = Utils::getShortName($this);
        $config = Option::get('MAIL_' . $className);
        if (!$config) {
            $_config = array('from' => '某科学的H本 <[email protected]>');
            Option::set('MAIL_' . $className, json_encode($_config));
            // 设定默认配置
            return false;
        }
        return true;
    }