Paste raw email headers to trace every delivery hop, verify SPF/DKIM/DMARC results, surface spoofing indicators, and get a trust score.
Email Header Analyzer
Paste raw email headers to trace the delivery path, verify SPF/DKIM/DMARC authentication, and surface suspicious patterns — with a plain-English verdict and trust score.
Paste Raw Headers
Try an example:
85/ 100
Likely Legitimate
SPF
—
Sender Policy Framework
DKIM
—
DomainKeys Identified Mail
DMARC
—
Domain-based Auth Reporting
Originating IP
—
First server in the chain — where the message originated
MailFlow Sentinel watches your SPF, DKIM, and DMARC configuration continuously — alerting you the moment your email authentication breaks or is misconfigured.