How to setup a once-a-day automatic reply per email sender in Shared Mailbox?

Mavs Bellen 0 Reputation points
2026-07-25T00:37:15.7366667+00:00

Hello,

​Is there a way to set up an automatic reply for a shared mailbox that replies once per sender per day?

​We want senders to receive an automated response when they email us, but limit it to one auto-reply daily so they aren't bombarded. As the day gets swamped, we also want to avoid manually turning Out of Office on and off every day.

​Thanks for your help!

Outlook | Web | Outlook on the web for business | Email
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  1. Huy-K 13,980 Reputation points Microsoft External Staff Moderator
    2026-07-25T01:22:28.76+00:00

    Dear @Mavs Bellen,

    Since this request needs tools to do it, I recommend you raising a support ticket. A technical support engineer can perform a remote session to investigate the situation verify the backend configurations, and run any necessary synchronization tools to resolve the problem. If the issue requires further attention, they can refer it to a specialized team for deeper analysis.

    Here’s what your Office 365 Global Admin should do next: 

    1. Submit a Service Request: The Global Admin should create a service request with Microsoft support to get advanced technical assistance and diagnostics. For detailed instructions on how to get support, please refer to Get support - Microsoft 365 admin.     
    2. Find Your Microsoft 365 Admin: If you’re unsure who the Global Admin is within your organization, you can find guidance on locating them here: How do I find my Microsoft 365 admin? - Microsoft Support.    
    3. Call Microsoft Support: For additional assistance, use this link to find the appropriate contact number: Global Customer Service phone numbers - Microsoft Support

    I hope the information shared helps point you in the right direction.

    As a moderator, I do not have the tools to investigate your specific account directly, as this is a support forum between users. Moderators and collaborators, including external Microsoft employees, may not directly intervene in the functionality of Microsoft products or access internal systems. Our role is limited to providing technical guidance on reported problems, requests, or ideas. However, I will do my best to guide you as clearly as possible.

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