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Troubleshoot Missing Emails

  • Login to Office365 portal as administrative user.  

  • Click on Admin 

  • Click on "… Show All" 

  • Click on Security & Compliance 

  • Click through the following 

  1. Mail Flow 

  2. Message Trace 

  3. The Down arrow next to "Default Queries" 

  4. "Messages received by my primary domain in the last day" 

 

  • Fill out the necessary information to try and locate the emails and click search. 

    • If you see the messages here it will give you a status of them. 

    • If you do not see the message here it is a decent indication that it was: 

      1. Blocked by a spam filter before reaching O365 (via Barracuda or other service) 

      2. Blocked by a server on the sender's side. 

     

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