Tag: DMARC
Articles about DMARC (Domain-based Message Authentication) — policies, reports, alignment, and deployment.
DNS Records for Email — A Complete Guide
MX, TXT, CNAME, PTR — every DNS record you need for email delivery and security in one place. Examples, rules, and a ready-to-use checklist.
How to Set Up SPF, DKIM, and DMARC for Google Workspace
Step-by-step guide to setting up SPF, DKIM, and DMARC for Google Workspace. From DNS records to DKIM activation in Admin console and DMARC deployment.
How to Check Your DMARC Record
DMARC links SPF and DKIM to your sender address. Learn how to verify your DMARC record using online analyzers, command-line tools, and email headers…
How to Read and Interpret DMARC Reports
DMARC aggregate reports in raw XML are hard to parse. Learn to read individual records, distinguish spoofing from misconfiguration, and…
How to Set Up a DMARC Record for Your Domain
Step-by-step guide to setting up a DMARC record. From your first p=none record through report analysis to full protection with p=reject.
Setting Up SPF, DKIM, and DMARC for Microsoft 365
Complete guide to setting up SPF, DKIM, and DMARC for Microsoft 365. Step-by-step from DNS records through DKIM activation in the Defender portal to…
Sender Reputation — What It Is and How to Improve It
Sender reputation determines whether your emails reach the inbox or land in spam. Learn what affects it, how to check it, and how to systematically…
SPF, DKIM, and DMARC — Complete Email Authentication Guide
SPF, DKIM, and DMARC form three layers of email authentication. Learn how they work together, the correct deployment order, and common mistakes to…
Spoofing and Phishing — Defending with Email Authentication
Email spoofing and phishing threaten every domain without authentication. Learn how SPF, DKIM, and DMARC protect your domain — and what they can't…
What Is DMARC and How Does It Work
DMARC ties SPF and DKIM together and adds a policy for unauthenticated emails. Learn how it works, how to deploy it, and why Google and Yahoo require…
Why Emails Go to Spam and How to Fix It
Missing SPF, DKIM, or DMARC is the most common reason legitimate emails land in spam. Learn what mail servers check and how to fix your setup.