Free Tool

    Email Header Analyzer

    Paste raw email headers to trace the delivery path, verify SPF/DKIM/DMARC authentication, detect delays, and identify phishing or spoofing indicators.

    Paste Email Headers

    Copy the full headers from your email client and paste them below. In Gmail: Open email → ⋮ → "Show original". In Outlook: Open email → File → Properties → "Internet Headers".

    How to Find Email Headers

    Gmail

    Open email → ⋮ menu → "Show original"

    Outlook

    Open email → File → Properties → Internet Headers

    Apple Mail

    View → Message → All Headers

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