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Sep 12, 2025
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Update how-policies-and-protections-are-combined.md #354

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33b4c04
Update how-policies-and-protections-are-combined.md
mariammorgan Sep 12, 2025
3e3c531
Update date and fix casing in filtering stack
chrisda Sep 12, 2025
ba341c3
Merge branch 'public' into patch-3
chrisda Sep 12, 2025
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10 changes: 5 additions & 5 deletions defender-office-365/how-policies-and-protections-are-combined.md
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Expand Up @@ -17,7 +17,7 @@ ms.custom:
description: Admins can learn how the order of protection settings and the priority order of threat policies affect the application of protection in Microsoft 365.
ms.service: defender-office-365
search.appverid: met150
ms.date: 07/08/2025
ms.date: 09/12/2025
appliesto:
- ✅ <a href="https://learn.microsoft.com/defender-office-365/eop-about" target="_blank">Default email protections for cloud mailboxes</a>
- ✅ <a href="https://learn.microsoft.com/defender-office-365/mdo-about#defender-for-office-365-plan-1-vs-plan-2-cheat-sheet" target="_blank">Microsoft Defender for Office 365 Plan 1 and Plan 2</a>
Expand Down Expand Up @@ -153,10 +153,10 @@ Organization allows and blocks are able to override some filtering stack verdict
|---|---|---|
|Malware|**Filter wins**: Email quarantined|**Filter wins**: Email quarantined|
|High confidence phishing|**Filter wins**: Email quarantined except in complex routing|**Filter wins**: Email quarantined|
|Phishing|**Organization wins**: Email delivered to mailbox|**Organization wins**: Phishing action in the applicable anti-spam policy|
|High confidence spam|**Organization wins**: Email delivered to mailbox|**Organization wins**: Email delivered to user's Junk Email folder|
|Spam|**Organization wins**: Email delivered to mailbox|**Organization wins**: Email delivered to user's Junk Email folder|
|Bulk|**Organization wins**: Email delivered to mailbox|**Organization wins**: Email delivered to user's Junk Email folder|
|Phishing|**Organization wins**: Email delivered to mailbox|**Filter wins**: Phishing action in the applicable anti-spam policy|
|High confidence spam|**Organization wins**: Email delivered to mailbox|**Filter wins**: Email delivered to user's Junk Email folder|
|Spam|**Organization wins**: Email delivered to mailbox|**Filter wins**: Email delivered to user's Junk Email folder|
|Bulk|**Organization wins**: Email delivered to mailbox|**Filter wins**: Email delivered to user's Junk Email folder|
|Not spam|**Organization wins**: Email delivered to mailbox|**Organization wins**: Email delivered to user's Junk Email folder|

<sup>\*</sup> Organizations that use a non-Microsoft security service or device in front of Microsoft 365 should consider using [Authenticated Received Chain (ARC)](email-authentication-arc-configure.md) (contact the service for availability) and [Enhanced Filtering for Connectors (also known as skip listing)](/exchange/mail-flow-best-practices/use-connectors-to-configure-mail-flow/enhanced-filtering-for-connectors) instead of an SCL=-1 mail flow rule. These improved methods reduce email authentication issues and encourage [defense-in-depth](step-by-step-guides/defense-in-depth-guide.md) email security.
Expand Down