Articles about DMARC

6 articles

DMARC Email Security

Shadow IT and Email: The Tools Sending on Your Behalf Without You Knowing

How to detect SaaS tools sending emails from your domain without authorization: DMARC reports, unknown source identification, resolution workflow, and continuous monitoring.

Simon Bressier · · 7 min
DNS Email SPF

Email and DNS: Every Record You Need to Know

Complete guide to email-related DNS records: MX, SPF, DKIM, DMARC, MTA-STS, TLS-RPT, BIMI, PTR. Each record explained with concrete examples.

Simon Bressier · · 4 min
Email Headers DKIM

Email Headers Explained: From Received to ARC

How to read email headers: Received, Return-Path, Authentication-Results, ARC, DKIM-Signature. Complete guide to diagnosing deliverability issues.

Simon Bressier · · 3 min
DMARC Email Security

DMARC: Safely Migrating from p=none to p=reject

Step-by-step guide to moving your DMARC policy from none to reject: recommended timeline, shadow IT pitfalls, the role of RUA reports, and a migration checklist.

Simon Bressier · · 4 min
DMARC Email Security

Reading and Understanding DMARC Reports (RUA)

Practical guide to interpreting DMARC aggregate reports: XML format, legitimate vs suspicious sources, shadow IT, and how to use the data to strengthen your policy.

Simon Bressier · · 3 min
DMARC Email Security

How to Configure DMARC to Protect Your Domain

Complete guide to setting up a DMARC record on your domain: syntax, policies, RUA reports and best practices.

Simon Bressier · · 3 min
View all tags