Email & Infrastructure | Paul O'Brien — Insights

I Moved from Proton Mail to Fastmail — Here’s Why

Why I Switched from Proton Mail to Fastmail

Forward Email: Control Before the Inbox

Forward Email: Control Before the Inbox

The 6 Different “From” Addresses Inside Every Email

The 6 "From" Addresses Inside Every Single Email

What Does “Secure Email” Actually Mean?

What Does “Secure Email” Actually Mean?

What a Password Manager actually does

What Password Managers Do (And Why Aliases Matter)

Have I Been Pwned: What Data Breaches Mean for Your Email

Have I Been Pwned: Breach Risks for Email

Gmail: From Invitation-Only Experiment to the World’s Default Inbox

Gmail: From Invite-Only Beta to Default Inbox

Fastmail Review 2026

Fastmail Review (2026): Reliability Over Hype

Tuta Mail Review 2026: Privacy vs Convenience

Tuta Mail Review 2026: Privacy vs Convenience

DMARC: Deciding What Happens When Email Authentication Fails

DMARC: What Happens When Email Auth Fails?