protected function isEnabledFeed()
    {
        if (config("{$this->configBase}.feeds.{$this->feedName}.enabled") !== true) {
            Log::warning(
                get_class($this) . ': ' .
                "The feed '{$this->feedName}' is disabled in the configuration of parser " .
                config("{$this->configBase}.parser.name") .
                ' therefore skipping processing of this e-mail'
            );
            return false;
        }
        return true;
    }