Email · 8 min read
What Your DMARC Reports Are Trying to Tell You
DMARC aggregate reports are the closest thing email has to server logs for your sending reputation. Here's how to read them — and what they're actually telling you.
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That Moody Guy
I'm John Moody — a tech industry veteran with 30+ years of experience, currently building on-premises email delivery systems that handle billions of sends. Writing about engineering leadership, deliverability at scale, and the hard lessons in between.
Recent Articles
View all → Email · 12 min read
Email Authentication Explained: SPF, DKIM, and DMARC for Engineers Who Don't Do Email
A clear, practical guide to the three technologies that prove your emails are legitimate — written for engineers who know distributed systems but not email infrastructure.
Management · 4 min read
AI and Tech Management: Fewer Seats at the Table
Developers using AI tools ship features faster. Designers iterate more quickly. Data scientists analyze in minutes what used to take days. More output per person means fewer people needed for the same goals. Which means fewer managers.
Management · 2 min read
Do you struggle to do effective 1:1's? This book can help!
The reality is often far different — rather than being a mechanism for the employee to share questions and concerns, a 1:1 can easily become a mechanism for the manager to get status updates, share information on upcoming projects, and solve problems. It becomes a command performance that, far from putting the employee at ease, raises their stress level.
About John
Engineering Manager, Email Platforms @ Klaviyo
Building the systems behind billions of email sends. I write about email infrastructure at scale, engineering leadership, and the messy reality of figuring it out as you go.
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