Email Header Analyzer

Paste raw email headers below to analyze authentication results (SPF, DKIM, DMARC), routing hops, delays, and security indicators.

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Paste Email Headers

To get email headers: In Gmail click "Show original", in Outlook click "View message source", or look for "Show headers" in your email client.

Paste the complete email headers including all Received, Authentication-Results, and DKIM-Signature lines.