SenderGuard

Instant email compliance audit

Run SPF, DKIM, DMARC, alignment, and One-Click checks in about three seconds. Evidence is stored with a verifiable scanId / sha256 so you can hand audits to stakeholders or clients.

  • Type a domain to run the DNS-based audit with multi-resolver proof.
  • Switch to headers to validate relaxed/strict alignment and One-Click unsubscribe.
  • Export a white-label PDF and keep hashes ready for /api/verify.

Stay ready after the first scan

Download a sample packet, verify a reference scan, or jump back to the audit with your domain prefilled.