Free instant scan for SPF, DKIM, DMARC, MTA-STS and TLS-RPT. Get a security score and actionable recommendations.
Verify your mail server configuration is correct and reachable.
Check that your Sender Policy Framework record is properly configured.
Detect DKIM signing keys published in your DNS for message integrity.
Validate your DMARC policy to protect against spoofing and phishing.
Check if your domain enforces encrypted email delivery via MTA-STS.
Verify TLS reporting is enabled to catch delivery encryption failures.
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