private boolean hasNotification = true;
        private String notificationTo = "******@****.***";

        @Override
        public boolean isLogNotificationEnabled() {
            return logNotificationEnabled;
        }

        @Override
        public boolean hasNotification() {
            return hasNotification;
        }

        @Override

                return "test-hostname";
            }
        };

        FessConfig fessConfig = new TestFessConfig() {
            @Override
            public boolean hasNotification() {
                return true;
            }

            @Override
            public String getNotificationTo() {
                return "";
            }
        };

            @Override
            public int getDayForCleanup() {
                return 30;
            }

            @Override
            public boolean hasNotification() {
                return false;
            }

            @Override
            public String getMailHostname() {
                return "mail-host";
            }

            @Override

        final FessConfig fessConfig = ComponentUtil.getFessConfig();

        if (!fessConfig.isLogNotificationEnabled()) {
            return "Log notification disabled.";
        }

        if (!fessConfig.hasNotification()) {
            return "No notification targets configured.";
        }

        final SearchEngineClient client = ComponentUtil.getSearchEngineClient();

    }

    default String getPurgeByBots() {
        return getSystemProperty(Constants.PURGE_BY_BOTS_PROPERTY, Constants.DEFAULT_PURGE_BY_BOTS);
    }

    default boolean hasNotification() {
        return StringUtil.isNotBlank(getNotificationTo()) || StringUtil.isNotBlank(getSlackWebhookUrls())
                || StringUtil.isNotBlank(getGoogleChatWebhookUrls());
    }

     */
    protected void sendMail(final Map<String, String> infoMap) {
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        if (fessConfig.hasNotification()) {
            final Map<String, String> dataMap = new HashMap<>();
            for (final Map.Entry<String, String> entry : infoMap.entrySet()) {