The DMARC Report Reading Checklist: What to Look At First
Aggregate reports arrive as unreadable XML. This is the reading order — which fields matter, which to ignore, and what each finding means for your next move.
Tag: DNS
The SPF Generator Walkthrough: Build Your Record One Answer at a Time
A guided tour of the SPF record generator — how the questions map to senders, why the lookup counter matters, and what to do with the record once it is built.
DKIM Selectors, Keys and Rotation: Managing What Most Set Up Once and Forget
How DKIM selectors work, why the same record under different selectors behaves differently, and what key rotation actually involves.
Building an SPF Record: Structure, Includes and the Lookup Limit
How SPF records actually work, why they break when they grow too large, and how to build one deliberately from scratch.