O365 email handler - Authenticate error Edited

[Craig Lathrop]

Does Atlassian have any plans to support domains that use security defaults? It sounds like in October the current method of IMAP authentication will be blocked for all Exchange online accounts. At that point will custom email addresses cease to work? https://developer.microsoft.com/en-us/office/blogs/end-of-support-for-basic-authentication-access-to-exchange-online-apis-for-office-365-customers/