Writing

Articles

Clear, honest writing on DMARC, email authentication, and getting to enforcement without breaking your mail.

Insight

What DMARC Actually Protects You From, and What It Does Not

DMARC verifies that a domain owner authorised an email. It does not verify that the email is safe. A precise look at exact-domain spoofing, lookalikes, display-name impersonation, compromised mailboxes, and why authentication is not the same as trust.

3 Aug 2026 ยท 7 min read