Exchange Team Blog 1 MIN READAnnouncing OAuth 2.0 support for IMAP and SMTP AUTH protocols in Exchange OnlineThe_Exchange_TeamMicrosoftApr 30, 2020 Ever since we announced our intention to disable Basic Authentication in Exchange Online we said that we would add Modern Auth (OAuth 2.0) support for the IMAP, POP and SMTP AUTH protocols. Today,...Show MoreUpdated Jun 30, 2022Version 6.0