Postal however supports the Variation 1 (or legacy) configuration format from Postal v2 and previously. For anyone who is using this config file, you'll receive a warning from the logs when beginning Postal. We advise changing your configuration to Adhere to the new v2 format which can be documented https://mauticupdate22211.like-blogs.com/26677974/everything-about-office-365-smtp-setup