Failed to connect to outlook.office365.com: b'LOGIN failed.'

[jsmyth (Jason Smyth)]

Hi there,

I believe it does. You might want to check out this thread:

Check Mail-Delivery-Process via "modern auth" (Microsoft Outlook)

Hello together, currently I monitor our Mail-Delivery-Process towards Microsoft Outlook with the active-check “Check Email Delivery” (active_checks[“mail_loop”]). It uses IMAP as protocol, which is fine so far. However, Microsoft will disable the access via IMAP on october 2022. This means IMAP won’t work for that specific use-case anymore. Does somebody know a way to monitor this without IMAP? Microsoft says that they will rely on so called “modern auth” (authentification against Azure AD vi…

Regards,
Jason

EDIT: Link to the thread rather than the latest post.