Postal nonetheless supports the Edition 1 (or legacy) configuration structure from Postal v2 and earlier. For anyone who is applying this config file, you can get a warning inside the logs when starting up Postal. We advise changing your configuration to Keep to the new v2 format which happens https://googlecloudinstall96161.livebloggs.com/32923083/5-essential-elements-for-red-hat-virtualization-install