[MDO] Quarantine End User Allow and Block list management
In Microsoft Defender for Office 365, Microsoft is updating the way end users allow and block emails in Exchange Online.
When this will happen:
Microsoft will begin rolling out late April 2024 and expect to complete by mid-May 2024.
How this will affect your organization:
With one click, end users will block emails from unwanted senders and prevent those emails from showing up in their default quarantine view and in their quarantine notifications. If no admin overrides exist, end users will also be able to allow emails from trusted senders and prevent future emails from those senders from going into quarantine. End users can now review admin any override reasons that lead to quarantined emails.
What you need to do to prepare:
No action is needed to prepare for this change. You may want to notify your users about this change and update any relevant documentation as appropriate.
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