defaultMap.put(FessConfig.MAIL_SEND_MOCK, "true");
            defaultMap.put(FessConfig.MAIL_SMTP_SERVER_MAIN_HOST_AND_PORT, "localhost:25");
            defaultMap.put(FessConfig.MAIL_SUBJECT_TEST_PREFIX, "[Test]");
            defaultMap.put(FessConfig.MAIL_RETURN_PATH, "root@localhost");
            return defaultMap;
        }
    }