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DKIM Errors? We Can Fix It — Expert help for key not found and bad signature issues. Troubleshoot Now →

What causes “bad signature” or “key not found” errors?

Common causes include:

  • wrong selector
  • missing DNS record
  • corrupted DNS formatting
  • mismatched private and public keys
  • expired keys
  • DKIM is very sensitive and even a missing semicolon can cause failures.
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