Organization Management or Security Administrator in the Permissions in the Microsoft 365 Defender portal. To modify the configuration for User submissions, you need to be a member of one of the following role groups: To connect to Exchange Online PowerShell, see Connect to Exchange Online PowerShell. To go directly to the User submissions page, use. You open the Microsoft 365 Defender portal at. What do you need to know before you begin? For instructions, see Set up Safe Links policies in Microsoft Defender for Office 365.Īfter you've verified that the mailbox meets these requirements, use the rest of the instructions in this article to identify the user submissions mailbox and other user reported message settings. For instructions, see Set up Safe Attachments policies in Microsoft Defender for Office 365.Ĭreate a Safe Links policy for the user submissions mailbox where Safe Links scanning in email is turned off ( URL & click protection settings > On: Safe Links checks a list of known, malicious links when users click links in email is not selected or EnableSafeLinksForEmail $false in PowerShell). For instructions, see Preset security policies.Ĭreate a Safe Attachments policy for the user submissions mailbox where Safe Attachments scanning, including Dynamic Delivery, is turned off ( Settings > Safe Attachments unknown malware response section > Off or -Enable $false in PowerShell). For instructions, see Preset security policies.ĭefender for Office 365: Configure the following additional settings:Įxclude the user submissions mailbox from the Built-in protection preset security policy. Verify the user submissions mailbox is not included in the Standard or Strict preset security policies. Turn off common attachments filtering ( Protection settings section > Enable the common attachments filter is not selected or EnableFileFilter $false in PowerShell).įor instructions, see Create an anti-malware policy. Turn off Zero-hour auto purge (ZAP) for malware ( Protection settings section > Enable zero-hour auto purge for malware is not selected or -ZapEnabled $false in PowerShell). For instructions, see Use the Microsoft 365 Defender portal to configure SecOps mailboxes in the advanced delivery policy.Ĭreate a custom anti-malware policy for the user submissions mailbox with the following settings: Identify the user submissions mailbox as a SecOps mailbox. Configuration requirements for the user submissions mailboxīefore you get started, you need to configure Exchange Online Protection and Defender for Office 365 so user reported messages are delivered to the user submissions mailbox without being filtered as described in the following steps: If reporting has been disabled in Outlook on the web, enabling user-reported messages here will override that setting and allow users to report messages in Outlook on the web again. 
For more information, see Admin submission.
User reported message settings and the user submissions mailbox work with the following message reporting options:ĭelivering user reported messages to a user submissions mailbox instead of directly to Microsoft allows admins to selectively and manually report messages to Microsoft on the Submissions page at. These settings were formerly known as the User submissions policy. You can configure the user submissions mailbox to intercept user-reported messages (send to the user submissions mailbox only) or receive copies of user-reported messages as users report messages to Microsoft. When users report email messages using the supported reporting options, admins can configure the user reported message settings in their organization to send reported messages to the user submissions mailbox. In Microsoft 365 organizations with Exchange Online mailboxes, you can direct mail to a custom mailbox (also known as the user submissions mailbox) when users report malicious or not malicious messages. Microsoft Defender for Office 365 plan 1 and plan 2.
#CUSTOM MAILBOX TRIAL#
Learn about who can sign up and trial terms here. Did you know you can try the features in Microsoft 365 Defender for Office 365 Plan 2 for free? Use the 90-day Defender for Office 365 trial at the Microsoft 365 Defender portal trials hub.
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