Free Tools
Spam Analysis· Free Tool
Email Spam Checker
Analyze email headers for spam signals
Paste your raw email headers to analyze authentication results (SPF, DKIM, DMARC), check for spam signals, and get a spam risk score. Use this to diagnose deliverability issues before a bulk send.
Paste Email Headers
In Gmail: Open email → 3-dot menu → "Show original". In Outlook: Open email → File → Properties.
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