DMARC.AI

DMARC isn’t just security — it directly affects whether your mail reaches the inbox. Here’s the deliverability mechanism and how to optimize.

DMARC stops one specific class of phishing — exact-domain spoofing. Here’s exactly what it does and the attacks that still get through.

Despite years of authentication standards, exact-domain spoofing is still a top phishing vector. Here’s why, and how DMARC at p=reject closes it.

Attackers have specific playbooks for abusing domains without DMARC. Here’s what they do, why it works, and how p=reject stops each technique.

BEC fraud cost businesses billions in 2025. DMARC closes the exact-domain-spoofing version. Here’s what leaders need to know about the connection.

Subdomains inherit parent DMARC policy unless you say otherwise. Here’s what every admin needs to know about sp=, per-subdomain records, and edge cases.

DMARC alignment is what makes SPF and DKIM meaningful. Here’s how relaxed vs strict alignment works and when each is the right choice.

DMARC failure reports — also called forensic reports — give per-message detail. Here’s what’s in them, when to enable them, and when to skip them entirely.

DMARC aggregate reports are the daily XML summaries receivers send back. Here’s what they contain, how to read them, and what the fields actually mean.

DMARC p=reject is the end state — receivers bounce failing mail at SMTP. What it means, when to deploy, and how to ship it without breaking real mail.