Postal continue to supports the version one (or legacy) configuration structure from Postal v2 and previously. Should you be applying this config file, you'll get a warning during the logs when commencing Postal. We propose Altering your configuration to Keep to the new v2 structure and that is documented https://fernandoalwhr.ltfblog.com/26426646/details-fiction-and-dedicated-cpu-vps-server