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Email Header Analyzer
Paste email headers to see SPF, DKIM and DMARC results, the delivery path and warning signs like a mismatched reply-to address.
Tip from Tink: In Gmail, open the message menu and choose 'Show original'.
🔒 Runs entirely on your device. Nothing you type is sent anywhere or saved.
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How to use the Email Header Analyzer
- Copy the full headers from your email app.
- Paste them in.
- Check the results and warnings.
Everything runs in your browser. Nothing you enter is uploaded.