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Mail Analyzer.

Upload an .eml or .msg file and find out why an email landed in spam.

Email file (.eml or .msg)

Gmail: ⋮ → Show original. Outlook: File → Properties → Internet headers. Apple Mail: View → Message → Raw Source.

Ready.

The email is processed in memory only and is never stored or logged. Live checks send only the sender domain, DKIM selectors and the sending IP address to public DNS and blocklist services.