M365 Exchange Online Basic Auth. vége -> Modern Auth. kötelező

Approximately 7 days from today, we’re going to permanently disable basic authentication for the following Exchange Online protocols: MAPI, RPC, Offline Address Book, Exchange Web Services, POP, IMAP, Exchange ActiveSync and Remote PowerShell.

SMTP authentication is unaffected by this change.

Részletek: https://techcommunity.microsoft.com/t5/exchange-team-blog/basic-authentication-deprecation-in-exchange-online-time-s-up/ba-p/3695312