Postal however supports the Model 1 (or legacy) configuration structure from Postal v2 and previously. Should you be employing this config file, you can get a warning within the logs when setting up Postal. We endorse changing your configuration to Stick to the new v2 structure which is documented https://postalsmtpsetup12222.loginblogin.com/33076611/google-cloud-install-for-dummies