Spain DMARC and MTA-STS Adoption Report

Over 80% of Spanish domains remain exposed to spoofing.

That's not an exaggeration.

It reflects the actual state of email authentication across Spain today. Many Spanish organizations are a single spoofed email away from phishing, BEC fraud, or brand impersonation.

Awareness isn't enough on its own, and neither is passive monitoring. It's time to shift towards active defense.

See exactly where your domain stands. Get the Spain DMARC & MTA-STS Adoption Report 2026 for a full sector-by-sector breakdown.