how to stop email spoofing
How to stop email spoofing for UK domains in 2026
Stopping email spoofing requires deploying three DNS-based protocols in combination: SPF, DKIM, and DMARC. The NCSC recommends all three as the foundation of domain-level email authentication, supplemented by MTA-STS and TLS-RPT for transit security. No single protocol is sufficient on its own. The core steps for UK domains are: * Publish
