Email Security Guides
Practical guides for setting up, monitoring, and enforcing email authentication. Written for IT admins, security teams, consultants, and MSPs.
Getting Started
Foundational guides for understanding and setting up email authentication. Start here if you are new to DMARC, SPF, or DKIM.
Email Authentication Explained: SPF, DKIM, and DMARC
Understand how the three core email authentication protocols work together to protect your domain from spoofing.
How to Set Up DMARC
Step-by-step guide to publishing your first DMARC record, configuring reporting, and preparing for enforcement.
SPF Record Setup
How to create and publish an SPF record that authorizes your legitimate sending services.
DKIM Setup
How to configure DKIM signing for your domain and verify key deployment.
Monitoring & Reports
Once DMARC is published, aggregate reports start arriving. These guides help you understand what they contain and how to act on them.
What Is DMARC Monitoring?
NEWLearn what DMARC monitoring is, how aggregate reports work, and why monitoring is essential before enforcement.
How to Read DMARC Reports
NEWUnderstand the XML structure of DMARC aggregate reports, identify legitimate senders, and spot spoofing attempts.
Enforcement & Policy
Moving from monitoring to enforcement is the highest-impact and highest-risk step in DMARC deployment. These guides help you do it safely.
Platform-Specific Setup
Step-by-step guides for configuring DMARC with specific email providers.
MSP & Multi-Domain Operations
Guides for managed service providers and organizations managing DMARC across many domains.
Related resources
Ready to check your domain?
Use our free tools to validate your email authentication records, or start monitoring to see who is sending as your domain.