} else {
                    toAddresses = StringUtil.EMPTY_STRINGS;
                }
                final NotificationHelper notificationHelper = ComponentUtil.getNotificationHelper();
                SMailCallbackContext.setPreparedMessageHookOnThread(notificationHelper::send);
                CrawlerPostcard.droppedInto(postbox, postcard -> {

        return getComponent(SEARCH_HELPER);
    }

    /**
     * Gets the notification helper component.
     * @return The notification helper.
     */
    public static NotificationHelper getNotificationHelper() {
        return getComponent(NOTIFICATION_HELPER);
    }

    /**
     * Gets the ingest factory component.
     * @return The ingest factory.
     */