Troubleshoot Microsoft Graph Rules and Email Processing Notifications in Outlook
Question details
The user needs to resolve complexities in an Azure application that uses Microsoft Graph to monitor and process Outlook messages, involving hidden folders, rules, and missing notifications.

- Product
- Microsoft Outlook and Microsoft Graph
- Device & OS
- macOS
- Scenario
- Developing or managing an Azure application interacting with Outlook messages via Microsoft Graph API.
- Observed behavior
- Complications arise with hidden folders, automatic replies, preserving DKIM, and missing desktop notifications in Outlook for Mac during automated message processing.
Ensure you have active Azure tenant administrator privileges and access to the Microsoft Graph API logs for your registered application.
Consult Microsoft Q&A for Azure and Graph API Development
Because this issue involves complex Azure applications and the Azure SDK, the most effective solution is to consult Microsoft development experts.
Advanced email processing involving Microsoft Graph, DKIM preservation, and hidden Exchange folders requires specific developer-level troubleshooting. Standard Outlook user settings cannot resolve API-level conflicts.
Open your web browser and navigate to the official Microsoft Q&A platform tailored for IT professionals and developers.
When creating your post, select the 'Office Outlook IT Pro', 'Microsoft Graph', and 'Azure SDK' tags to ensure your question reaches the right experts.
Include detailed information about your application's Graph API endpoints, the methods used to move messages, and the specific Outlook for Mac notification behaviors you are observing.

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Frequently Asked Questions
Why are notifications missing in Outlook for Mac when rules process emails?
Outlook for Mac may not generate desktop notifications if messages are automatically moved out of the Inbox to other folders by server-side rules or Microsoft Graph API operations before the client fully synchronizes.
Can Microsoft Graph move messages while preserving DKIM signatures?
Yes, but the application must ensure that it does not alter the message body or specific headers in a way that breaks the DKIM hash during the move operation via the Graph API.
Where can I find logs for Microsoft Graph API calls?
You can review API call logs, permissions, and diagnostics in the Azure Portal under Microsoft Entra ID (formerly Azure Active Directory) sign-in logs and Enterprise applications audit logs.
Do Exchange mail flow rules override user-created inbox rules?
Yes, Exchange server-side mail flow (transport) rules are processed before the message is delivered to the user's mailbox, taking precedence over client-side or user-defined inbox rules.




