As on October 1, 2022, the customers working with Basic Authentication with Microsoft email services will encounter interruptions within the Sage 300 in-product email services. Hence they will not be able to perform quite a few functions and features like sending invoices, quotes or statements to a customer or client. As, for Microsoft, the use of Modern Authentication for Microsoft Exchange Server and Office 365 is a just-have, and this is only compatible with the latest version of Sage 300. The process of Modern  Authentication includes the combination of login authentication and authorization in order to make it all the tougher to gain access to your database.