Free tool
Email header analyser
Drop an email in and read what the receiving mail server already worked out: whether SPF, DKIM and DMARC passed, whether the From address actually aligns with what was authenticated, every hop the message took, and anything that looks off.
This one runs entirely in your browser. The message is never uploaded, never sent to Spoofhound, and never
leaves your device — open your browser's network tab and you'll see nothing go out.
Drop an .eml file here
or click to choose one · nothing is uploaded