}));
                        } else {
                            postcard.addTo(fessConfig.getMailFromAddress());
                            postcard.dryrun();
                        }
                        postcard.setHostname(systemHelper.getHostname());
                        postcard.setClustername(ping.getClusterName());

                            postcard.addTo(address);
                        }));
                    } else {
                        postcard.addTo(fessConfig.getMailFromAddress());
                        postcard.dryrun();
                    }
                    postcard.setCrawlerEndTime(getValueFromMap(dataMap, "crawlerEndTime", StringUtil.EMPTY));