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Independent writing on email, privacy, and the digital systems that shape trust, identity, and long-term control. Free. Unsubscribe anytime.

Illustration of Paul O’Brien with email and security motifs, representing writing on email, privacy, and digital systems.
Paul O’Brien — independent writing on email, privacy, and the digital systems that shape trust.

Independent writing on email, privacy, and the digital systems that shape trust, identity, and long-term control.

Free. No noise. Unsubscribe anytime.

Get the weekly email roundup

I write about email, privacy, and the digital systems that shape trust and identity.

Each week I’ll send a short roundup of what I’ve published (and what I’m thinking about next).

No promos. No drip sequences. Unsubscribe anytime.

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What you’ll get

By subscribing, you’ll receive:

  • 📬 A weekly email roundup of new posts
  • 🧩 Deep dives on email systems (authentication, abuse, deliverability)
  • 🔐 Privacy-first tools and trade-offs
  • 🧠 Clear thinking about digital trust and long-lived infrastructure

This is a calm publication — not a marketing funnel.

How often will I hear from you?

You’ll get a weekly email roundup. If you choose post notifications, you can also receive emails when new articles are published.

Your privacy

Your email address is used only to deliver new articles and member content.

It’s never sold, shared, or used for advertising.

Privacy isn’t a feature here — it’s the baseline.

Who this is for

This publication is for readers who care about:

  • Understanding how modern email platforms really work
  • Choosing tools that respect privacy and user control
  • Improving digital habits without hype or noise

If that sounds like you, you’re in the right place.