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MC267137 – Updated October 19, 2021: Microsoft has updated the rollout timeline below. Thank you for your patience.
Microsoft understands that, from time to time, you might disagree with an Exchange Online Protection (EOP) filtering verdict. With this update, you will be able to override filtering verdicts using the Tenant Allow/Block List (TABL) in the Defender portal while your submission is being reviewed.
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This message is associated with Microsoft 365 Roadmap ID 70591
When this will happen:
Microsoft will roll this out starting in early August and be complete by mid-November (previously mid-October).
How this will affect your organization:
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Sometimes, a good message might be marked as bad (a false positive) or a bad message might be allowed through (a false negative).
The first step is to report the message to Microsoft via the Admin Submissions portal.
What you need to do to prepare
To get started, open the Microsoft 365 Defender portal and go directly to the Tenant Allow/Block Lists page. See Learn more below for more detailed steps.
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Learn more:
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