public AlertSender(
     ILoggerFactory loggerFactory,
     IAzureApplicationResourceFactory applicationResourceFactory,
     IEmailProvider emailProvider)
 {
     _emailProvider = emailProvider;
     _table = applicationResourceFactory.GetTableStorageRepository<AlertSubscriber>(ComponentIdentity);
     _logger = loggerFactory.CreateShortLivedLogger(ComponentIdentity);
     _sourceEmailAddress = applicationResourceFactory.Setting(ComponentIdentity, "alert-from");
 }