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Resources for Transitioning to Modern Authentication for Office 365

As previously announced, on October 1, 2022, Microsoft will permanently disable Basic Authentication (“Basic Auth”) for Office 365 Exchange email. Any accounts still configured or coded to use Basic Auth after that date will be unable to authenticate.

To read Microsoft's latest announcement about this upcoming change, visit Basic Authentication Deprecation in Exchange OnlineThe full list of protocols that may have been configured in the past with Basic Auth that need to be updated before October 1 includes: MAPI, RPC, Offline Address Book (OAB), Exchange Web Services (EWS), POP, IMAP, Exchange ActiveSync (EAS), and Remote PowerShell.

Resources for OAuth2 Access Using IMAP/POP/SMTP

Get Started with Microsoft Graph

Authentication can also be configured using Microsoft Graph. Use these links to get started with Graph.

Set Up OAuth2 Access via Microsoft Graph

Once you are familiar with using Graph, these links will help with specific email setup.

Configure OAuth2 Access Using Java

Configure Access Using Python


If you need additional assistance configuring your Cornell service or resource account to use OAuth2, contact the CIT Email and Messaging Team.

About this Article

Last updated: 

Thursday, August 11, 2022 - 9:08am

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