If you believe this message was incorrectly marked as spam, the recipient can send us a spam false-positive report by following ...

If you believe this message was incorrectly marked as spam, the recipient can send us a spam false-positive report by following these steps:
  1. In Outlook on the web, go to the Junk Email folder and find the message that was incorrectly marked as junk.
  2. Right-click the message, and then click Mark as not junk.
  3. In the Report as not junk dialog, click Report.
Your report automatically goes to the Microsoft Spam Analysis Team at [email protected]. We'll use your report to help improve our spam filters.

If you're using the Outlook desktop client, you need to use the junk email reporting tool to report the issue. For more information about it, see Junk Email Reporting Add-in for Microsoft Office Outlook.