Postal nevertheless supports the Variation one (or legacy) configuration format from Postal v2 and before. When you are working with this config file, you will get a warning in the logs when starting Postal. We recommend Altering your configuration to Stick to the new v2 structure that's documented previously https://andersonrfqeo.suomiblog.com/5-simple-techniques-for-ftp-server-install-42288559