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Notes on email authentication
Practical articles on DMARC, SPF, DKIM, MTA-STS and email deliverability from the DMARCHub Team.
Reports and monitoring · 17 August 2026 · 8 min read
How to read DMARC reports
DMARC aggregate reports arrive as dense XML, but the questions they answer are simple: who is sending mail as your domain, from where, and is it passing authentication? This guide walks through the structure row by row and shows you what to fix first.