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How to Set Up DKIM | Signing, DNS, and Verification

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  1. After activation, verify both DNS and live message behavior. First, use a DNS lookup orDKIM record checker to confirm the selector resolves correctly. “Second, send a test message to an external mailbox and inspect the message headers.” 7. Troubleshoot Common DKIM Setup Issues

    In Email authentication testing

  2. Ongoing governance matters too. Good hygiene includes: “Monitoring authentication failures” Reviewing unauthorized senders

    In Email authentication testing