Postal continue to supports the Edition one (or legacy) configuration structure from Postal v2 and earlier. In case you are making use of this config file, you'll get a warning within the logs when beginning Postal. We endorse Altering your configuration to Stick to the new v2 structure which https://johnathankxitd.bloggazza.com/26442229/5-simple-statements-about-ispconfig-support-explained