public function get($type)
    {
        if ($type === self::TYPE_MAILER) {
            $name = $this->configService->getValue('system_mailer');
        } elseif ($type === self::TYPE_DISPATCHER) {
            $name = $this->configService->getValue('system_dispatcher');
        } else {
            throw new \InvalidArgumentException('Provided type does not exist');
        }

        if (empty($name)) {
            return null;
        }

        return $this->connector->getConnection($name);
    }