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Email Validation

Route: /email-headers

Paste raw email headers and Hush Line analyzes available authentication artifacts to help determine whether a message appears valid, suspicious, or needs deeper review.

Email Validation

What It Checks​

  • Authentication results present in headers (SPF, DKIM, DMARC)
  • Domain alignment signals between sender and related headers
  • DKIM signing-key DNS lookups when selector/domain tags are available

Authentic Email Example​

Successful Email Validation

Inauthentic Email Example​

Inauthentic Email

Forged Email Example​

Forged Email

Report Download​

After analysis, you can download a ZIP report package that includes:

  • PDF summary
  • Structured JSON output
  • Raw headers
  • DKIM key lookup artifacts (when available)
  • Checksums for integrity verification

Notes​

  • Older emails can appear inauthentic even when they were valid at send time.
  • DNS and key material can change over time, which can affect results.