HEADER TRACE LAB

Email Header Analyzer

Email Header Analyzer

Paste the full raw envelope headers from a suspicious email to uncover authentications, relay hops, and spoofing indicators.

Businesses often get only the email body view, not the underlying SMTP path, which hides origin spoofing data.

This tool unwraps headers into clear SPF/DKIM/DMARC status, source IP details, and forensics-ready labels.

HEADER TRACE LAB

Email Header Analyzer

Paste raw headers to extract auth posture and suspicious identity patterns. Data stays in your browser.

How to Use

  1. Copy raw headers from your email client
  2. Paste into the analyzer input field
  3. Run analysis and review authentication results
  4. Follow recommended mitigation to block malicious senders

Benefits

  • Detect forged From addresses with SPF/DKIM/DMARC signals.
  • Trace relay path from source IP to final recipient.
  • Augment incident response with structured metadata.
  • Reduce false positives by validating legitimate delivery chains.

FAQ

Is sensitive content sent to the server?

No, header parsing and analysis occurs in-browser.

What if headers are malformed?

The tool performs best-effort parsing and shows errors for invalid header formats.

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