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Copy file name to clipboardExpand all lines: defender-office-365/configure-junk-email-settings-on-exo-mailboxes.md
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description: Admins can learn how to configure the junk email settings in Exchange Online mailboxes. Many of these settings are available to users in Outlook or Outlook on the web.
- ✅ <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>
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<sup>\*</sup> You can't directly modify the **Safe Recipients** list by using the **Set-MailboxJunkEmailConfiguration** cmdlet (the _TrustedRecipientsAndDomains_ parameter doesn't work). You modify the Safe Senders list, and those changes are synchronized to the Safe Recipients list.
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**Notes**:
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- In Exchange Online, whether entries in the Safe Senders list or _TrustedSendersAndDomains_ parameter work or don't work depends on the verdict and action in the policy that identified the message:
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-**Move messages to Junk Email folder**: Domain entries and sender email address entries are honored. Messages from those senders aren't moved to the Junk Email folder.
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-**Quarantine**: Domain entries aren't honored (messages from those senders are quarantined). Email address entries are honored (messages from those senders aren't quarantined) if either of the following statements is true:
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- The message isn't identified as malware or high confidence phishing (malware and high confidence phishing messages are quarantined).
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- The email addressisn't in a block entry in the [Tenant Allow/Block](tenant-allow-block-list-email-spoof-configure.md#create-block-entries-for-domains-and-email-addresses).
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- The email address, URL, or file in the email message isn't in a block entry in the [Tenant Allow/Block](tenant-allow-block-list-about.md#block-entries-in-the-tenant-allowblock-list).
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- In standalone EOP with directory synchronization, domain entries aren't synchronized by default, but you can enable synchronization for domains. For more information, see [Configure Content Filtering to Use Safe Domain Data: Exchange 2013 Help | Microsoft Learn](/exchange/configure-content-filtering-to-use-safe-domain-data-exchange-2013-help).
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To configure the safelist collection on a mailbox, use the following syntax:
- ✅ <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>
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- In Exchange Online, whether entries in the Safe Senders list work or don't work depends on the verdict and action in the policy that identified the message:
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-**Move messages to Junk Email folder**: Domain entries and sender email address entries are honored. Messages from those senders aren't moved to the Junk Email folder.
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-**Quarantine**: Domain entries and email address entries are honored (messages from those senders aren't quarantined) if either of the following statements are true:
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-**Quarantine**: Domain entries aren't honored (messages from those senders are quarantined). Email address entries are honored (messages from those senders aren't quarantined) if either of the following statements is true:
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- The message isn't identified as malware or high confidence phishing (malware and high confidence phishing messages are quarantined).
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- The email addressisn't also in a block entry in the [Tenant Allow/Block List](tenant-allow-block-list-email-spoof-configure.md#create-block-entries-for-domains-and-email-addresses).
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- The email address, URL, or file in the email message isn't also in a block entry in the [Tenant Allow/Block List](tenant-allow-block-list-about.md#block-entries-in-the-tenant-allowblock-list).
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- Entries for blocked senders and blocked domains are honored (messages from those senders are moved to the Junk Email folder). Safe mailing list settings are ignored.
Copy file name to clipboardExpand all lines: defender-office-365/how-policies-and-protections-are-combined.md
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description: Admins can learn how the order of protection settings and the priority order of security policies affect the application of security policies in Microsoft 365.
- ✅ <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>
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|Bulk|**User wins**: Email delivered to user's Inbox|**User wins**: Email delivered to user's Junk Email folder|
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|Not spam|**User wins**: Email delivered to user's Inbox|**User wins**: Email delivered to user's Junk Email folder|
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- In Exchange Online, the domain allow in the Safe Sender's list might not work if the message is quarantined by any of the following conditions:
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- The message is identified as malware or high confidence phishing (malware and high confidence phishing messages are quarantined).
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-[Actions in anti-spam policies](anti-spam-protection-about.md#actions-in-anti-spam-policies) are configured to quarantine instead of move mail to the Junk Email folder.
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- The email address, URL, or file in the email message is also in a block entry in the [Tenant Allow/Block List](tenant-allow-block-list-about.md#block-entries-in-the-tenant-allowblock-list).
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For more information about the safelist collection and anti-spam settings on user mailboxes, see [Configure junk email settings on Exchange Online mailboxes](configure-junk-email-settings-on-exo-mailboxes.md).
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