Microsoft is working on bringing OAuth Client Credential Flow support for POP/IMAP for Office365/Exchange. It’s planned to be released in June 2022:
https://www.microsoft.com/en-us/microsoft-365/roadmap?filters=&searchterms=70577
Check out currently supported OAuth 2.0 flows
- OAuth 2.0 with Office365/Exchange IMAP/POP3/SMTP
- OAuth 2.0 password grant with Office365/Exchange IMAP/POP3/SMTP
- OAuth 2.0 device flow with Office365/Exchange IMAP/POP3/SMTP
The post Office365: Client Credential Flow support for POP/IMAP is coming in June 2022 first appeared on Blog | Limilabs.