Category ""
ADVERTISING
Starting with Exchange Server 2019 CU13, Exchange Server supports OAuth 2.0 (also known as Modern Authentication) for pure on-premises environments using ADFS as a Security Token Service (STS). This document provides the prerequisites and steps to enable this feature.
Outlook for iOS and Android offers Exchange administrators the ability to "push" account configurations to their on-premises users who use Basic authentication with the ActiveSync protocol.
If you want to switch or configure Exchange Server authentication in Outlook, this article will be handy for you. It is possible to switch between various Exchange Server authentication...
Basic Authentication simply means the application sends a username and password with every request, and those credentials are also often stored or saved on the user’s device. Traditionally, Basic Authentication is enabled by default on most servers or services and is simple to set up.
With time, Office 365 apps have known a lot of improvements and I was very glad to welcome them, but beginning the latest updates of Office 365, I've noticed the email setup experience has changed and the setting "My outgoing server (SMTP) requires authentication" seems to be unable by default.
Microsoft recommends that users force Outlook to use modern authentication by setting the DWORD value of the following registry key to 1: Microsoft Office 2016 and Microsoft Office 2019 clients support modern authentication by default, and no action is needed for the client to use these new flows.
Specify the authentication model as Username and Password. Specify the account type being configured based on the authentication model. Specify BasicAuth as the Account Type for Exchange On-Premises and ModernAuth for Exchange Online. This value specifies the user's account domain. Example: companyname.
Virtual Directory Settings: Changing authentication parameters here affects the specific protocol (e.g., OWA, EWS, ActiveSync) and the way clients authenticate against that particular endpoint.
Learn how to use OAuth authentication to connect with IMAP, POP, or SMTP protocols and to access email data for Office 365 users. OAuth2 support for IMAP, POP, and SMTP protocols as described below is available for both Microsoft 365 (which includes Office on the web) and Outlook.com users.
"The SMTP server does not recognize any of the authentication methods supported by Outlook" Year over year, Microsoft has increasingly changed Outlook to have new baseline requirements when adding a new imap or pop3 email account.