The Email Guy: Paul O’Brien

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Paul O'Brien

Tech-savvy geek, family man, West London resident. Loves reading, writing, blogging, photography, and red wine. Works from Apple Mac Mini M4.

📍 London

What is the Proton Sentinel Program? A Complete Guide to Proton’s Advanced Security Protection (2025)

Whether you already use Proton Mail or are curious about next-gen digital security, this guide explains what Proton Sentinel is, why it matters, and how it protects you from sophisticated online attacks.

Why your holiday inbox is overwhelmed — And how Proton Mail fixes it (Spam Watch 2025)

Every December, inboxes everywhere explode with discount codes, “last chance” alerts, and marketing emails you don’t even remember signing up for. But a new Proton report, Spam Watch 2025, reveals something crucial:

Proton Launches Proton Sheets – Plus Get 60% Off Proton Drive

If you’ve never used Proton Drive before, now might be the perfect time to start. Proton has just introduced Proton Sheets — a brand-new, privacy-focused alternative to Google Sheets that puts you back in control of your data.

Proton Mail - Newsletters view

If your inbox feels cluttered with newsletters, promotions, and updates, you’re not alone. Newsletters are everywhere, from daily news digests to productivity tips and weekly tech roundups. But managing them in a traditional inbox can quickly get overwhelming.

Proton Pass Just Got Even Better: Secure File Attachments Are Here!

Exciting news for Proton Pass users! We've added file attachments, making it even easier to manage and protect your important stuff. You can now securely save any file (up to 100 MB) to your vault entries. Think software keys, backups of your ID – everything you need, safe and

My Nightly Brain Dump Session

I’ve been a total brain dumping pro for years. Every night, I’d curl up on the couch with my trusty notebook and fancy fountain pen, and sip on a big glass of Malbec. When I felt relaxed, I’d just start writing.What is a brain dump? Merriam-Webster

Should You Be Sacked for an Email Slip-up? A Cautionary Tale

I recently read about a worker who was fired for accidentally forwarding an email to a client, calling them a rather offensive term. As someone who deals with email all day, I understand how easily this kind of situation can arise—and the repercussions can be far more severe than you might realise.

Is email here to stay?

I think email is safe for now. We have Teams, Slack, WhatsApp, and other messaging apps, but none can match the reach and reliability of email.

Proton Pass - Use Yubikey or other security keys for 2FA

Proton have announced that their Proton Pass mobile apps now support secure login with FIDO2 devices for two-factor authentication (2FA). This allows you to use a Yubikey or any other compatible security key for added protection when accessing your account.

The History of Email

Email has evolved into one of the most essential communication tools in today's world, transforming how people and organisations connect. Whether it's a message to a colleague just a few desks away or to a friend on the other side of the globe, email has revolutionised interaction.