if (fileName != null && fileName.length() > 0) {
final File file =
configContext.getConfigRelativeFile(fileName, false);
unknownDevicesLogging.setFileName(file.getAbsolutePath());
initializeUnknownDevicesLogger();
final EmailNotifierConfiguration emailNotifierConfiguration =
unknownDevicesLogging.getEmailNotifier();
if (emailNotifierConfiguration != null &&
emailNotifierConfiguration.isEnabled()) {
final EmailNotifierConfig config =
createEmailNotifierConfig(emailNotifierConfiguration);
final EmailNotifierThread thread =
new EmailNotifierThread(config,
getUnknownDevicesLogger());