Tag: For IT Professionals
Technical guides, configuration, and diagnostics for email authentication aimed at IT administrators and developers.
How to Check Your Domain's DKIM Record
How to verify your domain's DKIM record using an online analyzer, command line, and email headers. Find your selector, check the key, and interpret…
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 Check Your Domain's SPF Record
Three ways to verify your SPF record. Command line, online analyzer, and automated monitoring. Learn what to check and how to interpret the results.
How to Create an SPF Record Step by Step
A practical guide to creating an SPF record for your domain. From mapping senders and building the record to verifying it and managing the DNS lookup…
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 DKIM Record Step by Step
A practical guide to setting up DKIM for your domain. From key generation and DNS publishing to configuring Google Workspace, Microsoft 365, and self…
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…