for (final FileAuthentication fileAuth : fileAuthList) {
            if (logger.isDebugEnabled()) {
                logger.debug("FileAuthentication: " + fileAuth.getProtocolScheme() + " " + fileAuth.getHostname() + ":" + fileAuth.getPort()
                        + " " + fileAuth.getUsername());
            }
            if (Constants.SAMBA.equals(fileAuth.getProtocolScheme())) {

            @Override
            public boolean isChangedClusterState(int status) {
                // State has changed
                return true;
            }

            @Override
            public String getHostname() {
                return "test-hostname";
            }
        };

        FessConfig fessConfig = createTestFessConfig();

        // Register components

        assertNotNull(systemHelper.getHostname());
        try {
            envMap.put("COMPUTERNAME", "xxx");
            assertEquals("xxx", systemHelper.getHostname());
        } finally {
            envMap.remove("COMPUTERNAME");
        }
        try {
            envMap.put("HOSTNAME", "yyy");
            assertEquals("yyy", systemHelper.getHostname());
        } finally {

                (et, vl) -> ((WebAuthentication) et).setCreatedTime(DfTypeUtil.toLong(vl)), "createdTime");
        setupEpg(_epgMap, et -> ((WebAuthentication) et).getHostname(),
                (et, vl) -> ((WebAuthentication) et).setHostname(DfTypeUtil.toString(vl)), "hostname");
        setupEpg(_epgMap, et -> ((WebAuthentication) et).getParameters(),

                (et, vl) -> ((FileAuthentication) et).setFileConfigId(DfTypeUtil.toString(vl)), "fileConfigId");
        setupEpg(_epgMap, et -> ((FileAuthentication) et).getHostname(),
                (et, vl) -> ((FileAuthentication) et).setHostname(DfTypeUtil.toString(vl)), "hostname");
        setupEpg(_epgMap, et -> ((FileAuthentication) et).getParameters(),

        final String[] toAddresses = form.notificationTo.split(",");
        final Map<String, Object> dataMap = new HashMap<>();
        dataMap.put("hostname", systemHelper.getHostname());

        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        final Postbox postbox = ComponentUtil.getComponent(Postbox.class);
        try {

            @Override
            public long getCurrentTimeAsLong() {
                return System.currentTimeMillis();
            }

            @Override
            public String getHostname() {
                return "test-host";
            }

            @Override
            public File createTempFile(String prefix, String suffix) {
                try {

	public final fun getBodyLimit ()J
	public final fun getDelegate ()Lmockwebserver3/MockWebServer;
	public final fun getDispatcher ()Lokhttp3/mockwebserver/Dispatcher;
	public final fun getHostName ()Ljava/lang/String;
	public final fun getPort ()I
	public final fun getProtocolNegotiationEnabled ()Z
	public final fun getRequestCount ()I
	public final fun getServerSocketFactory ()Ljavax/net/ServerSocketFactory;

	public fun <init> ()V
	public fun close ()V
	public final fun enqueue (Lmockwebserver3/MockResponse;)V
	public final fun getBodyLimit ()J
	public final fun getDispatcher ()Lmockwebserver3/Dispatcher;
	public final fun getHostName ()Ljava/lang/String;
	public final fun getPort ()I
	public final fun getProtocolNegotiationEnabled ()Z
	public final fun getProtocols ()Ljava/util/List;
	public final fun getProxyAddress ()Ljava/net/Proxy;

            }

            String hostname = fessConfig.getMailHostname();
            if (StringUtil.isBlank(hostname)) {
                hostname = ComponentUtil.getSystemHelper().getHostname();
            }
            dataMap.put("hostname", hostname);

            logger.debug("\ninfoMap: {}\ndataMap: {}", infoMap, dataMap);