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charella
Cisco Employee
Cisco Employee
Member since ‎09-11-2014
‎06-24-2025
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  • 46 Posts
  • 6 Solutions
  • 25 Helpful votes Given
  • 83 Helpful votes Received
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AI for Everyone - User
Generative AI Collaboration White Belt 2024
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Microsoft/Hotmail bouncing due to DKIM body hash failure

06-20-2025
Observation: Microsoft has changed something and started rejecting valid DKIM signed emails. I've observed O365 and hotmail.com bouncing mails. To fix: Set each of your dkim signing profiles setting > Canonicalization values to "Relaxed. This makes t...
Community Statistics
Member Since ‎09-11-2014 06:13 AM
Date Last Visited ‎06-24-2025 12:12 AM
Posts 46
Total Helpful Votes Received 83
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