Paul O'Brien
83 postsPaul O'Brien has 25+ years of hands-on experience with email systems, web servers and domains. Honest, independent reviews of email providers and privacy tools, plus free email tools like Blog by Email.
RSS feed
Paul O'Brien Mailu Review (2026): A Self-Hosted Mail Server With a Friendly Admin Page Mailu runs a complete mail server as a set of Docker containers, with webmail, an admin web page and spam filtering included. Here is what I found when I set it up, where it falls short and who it suits. Email Providers7 min read 
Paul O'Brien Google Keeps Asking Me to Verify It's You: Why and How to Stop It You know your password, but Google keeps stopping you with "Verify it's you". Here is why it happens, how to get through it today and how to make it stop happening every time you sign in. Email Security6 min read 
Paul O'Brien Infomaniak Mail Review (2026): Swiss Business Email for Less Than Gmail Infomaniak is a Swiss company that hosts email for your own domain from €1.50 an address a month, in its own data centres in Switzerland. I looked at the Mail Service and kSuite plans, privacy, migration and how it compares with Zoho, mailbox.org and Proton. Email Providers9 min read 
Paul O'Brien Locked Out of Your Google Account? What Actually Works A new phone, a hacked account or a recovery form that keeps saying no. Here is what to try when Google won't let you back in, in the order I would try it, and what to set up now so it never happens to you. Email Security9 min read 
Paul O'Brien BT Email: How to Sign In, Set It Up and Keep Your Address A plain guide to BT Email. How to sign in, the IMAP and SMTP settings for Outlook, Apple Mail and your phone, the common error messages, the 150 day rule and what happens to your address when you leave BT Broadband. Email Providers6 min read 
Paul O'Brien docker-mailserver Review (2026): A Mail Server in One Container, Configured by Files docker-mailserver packs a full mail server into one Docker container that you configure with text files instead of a web page. Here is what it does, what you have to switch on yourself and who it suits. Email Providers6 min read 
Paul O'Brien IONOS Mail Review (2026): I Couldn't Set It Up, Get Help or Cancel I bought IONOS Mail Business for my own domain to review it properly. More than a day later I still didn't have a working mailbox, I'd counted eight sales offers and my support ticket had gone unanswered all weekend. Then cancelling failed too. Here's what happened, with screenshots. Email Providers14 min read 
Paul O'Brien Zoho Mail Review (2026): The Business Email Most People Often Overlook Zoho Mail is often left off the shortlist when businesses choose between Google Workspace and Microsoft 365. I looked at its paid plans for solo workers, small businesses and enterprises, including data centres, security, migration and the full Workplace suite. Email Providers16 min read 
Paul O'Brien Posteo Custom Domain: Why You Can't, and How to Use Proton or Fastmail Instead Posteo doesn't let you use your own domain, by design. Here is why, the workaround if you only need to receive mail, and step by step guides to setting up your domain on Proton Mail and Fastmail instead. Email Providers6 min read 
Paul O'Brien Mox Review (2026): The Tiny, Modern Mail Server Built for One Person to Run Mox is a free, open-source mail server in a single small program, with webmail, a learning spam filter and every modern email security standard switched on. Here is what it does well and what it leaves out. Email Providers8 min read 
Paul O'Brien Mail-in-a-Box Review (2026): A Mail Server Appliance for Ubuntu Mail-in-a-Box turns a fresh Ubuntu server into a finished mail server with one script, DNS and backups included. Here is what it does, where it falls short and who it suits. Email Providers6 min read 
Paul O'Brien I've Built a Free Blogging Platform That Works by Email I've built a free blog you write by email. Your subject line becomes the title, your email becomes the post, and it runs on your own Cloudflare account. Email4 min read 
Paul O'Brien Cloudron Review (2026): Self-Hosted Apps With Email Built In Cloudron runs self-hosted apps on your own server and includes a full mail server. Here is what the email side does, what it costs and who it suits. Email Providers6 min read 
Paul O'Brien How to Set Up Cloudflare's Free DMARC Monitoring (Step by Step) If your domain's DNS is on Cloudflare, you can see every service sending email as you for free. Here is how to switch on DMARC Management, what the DMARC record means, how to read the reports and how to test it. Email Authentication10 min read 
Paul O'Brien How to Send and Receive Email With Amazon SES (and Get Your SMTP Details) A step-by-step guide to using Amazon SES with your own domain. Verify it, add the DNS records, leave the sandbox, create SMTP details for any app and receive incoming mail into S3. Amazon SES12 min read 
Paul O'Brien How to Use Proton Mail Through Tor (Its .onion Site, Step by Step) What Tor is, why you might use it with Proton Mail, and how to reach Proton's official onion site on a computer, iPhone or Android without giving yourself away. Proton Mail9 min read 
Paul O'Brien mailcow Review (2026): The Self-Hosted Mail Server With Everything Included mailcow bundles a mail server, webmail, calendars, spam and virus filtering into one Docker package with a friendly admin panel. Here is what you get, what it needs to run and who it suits. Email Providers10 min read 
Paul O'Brien Email providers to avoid: the warning signs to check first The red flags to evaluate before you sign up, and which hosts show them. Email Providers4 min read 
Paul O'Brien Nothing's free: how free email providers make money Free email still has to be paid for. Here are the five ways it is funded, what each one costs you and when paying for email is worth it. Email Providers7 min read 
Paul O'Brien How to Switch Email Provider Without Losing Anything The order to do things in, so you keep your old mail, contacts and address. Email Providers4 min read 
Paul O'Brien What’s New on paulobrien.com: Provider Search, Free Tools and a Wider Site The site has just had its biggest update since moving off Ghost. You can now search more than 230 email providers, use free browser-based tools, see hands-on testing data and check live pricing across every deal. Email Providers2 min read 
Paul O'Brien Stalwart Review (2026): The All-in-One Self-Hosted Mail Server Stalwart replaces the usual self-hosted mail stack with one fast, open-source program. Here is what it does, what it takes to run, and what the free and paid editions cost. Email Providers9 min read 
Paul O'Brien Proton Mail Free Plan (2026): What You Get and Where It Stops Proton Mail’s free plan is one of the few free inboxes that isn’t paid for with your data. It is also tightly capped. Here is exactly what you get, the limits you will hit first, and when it is worth paying. Email Providers13 min read 
Paul O'Brien PHP2Shell: What Website Owners Need to Do Now Two critical flaws in PHP, the language behind WordPress and most of the web, were fixed on 21 October. Here’s what they are, how to check your site, and what to ask your host. Infrastructure5 min read 
Paul O'Brien HEY vs Fastmail: Which Email Provider Is Right for You? HEY wants to reinvent how you handle email, while Fastmail wants to fit however you already work. I used HEY for about a year and Fastmail as my main email for a considerable time, so here's my honest comparison of the two, with prices checked against both sites. Fastmail9 min read 
Paul O'Brien Proton Mail vs Fastmail 2026: Privacy or Productivity? I used Proton Mail and then Fastmail as my main inbox. A long read on what living with each one was like: encryption, search, mail apps, domains, prices, support and the law, with tables for a quick overview. Email Privacy13 min read 
Paul O'Brien Why Masked Email Beats Disposable Email for Most People Masked email does the same job as a disposable address but forwards to your real inbox, so you keep password resets and can switch it off. This guide compares the two, explains why sites block disposable addresses and weighs the main services. Email Privacy11 min read 
Paul O'Brien QuickInbox.app Privacy Review: Claims vs the Code QuickInbox.app promises anonymous, tracking-free disposable email. When I checked in October 2026, it loaded PostHog session replay, published no privacy policy or contact details, and tied paid plans to a bank card. Email Privacy7 min read 
Paul O'Brien Amazon SES Review: Pricing, Setup and Limits (2026) Amazon SES strips away SaaS markups to offer low-cost email infrastructure. This review covers the sandbox, DKIM and MAIL FROM setup, pricing and the bounce handling you have to build yourself. Amazon SES8 min read 
Paul O'Brien Nostr Mail (Nmail) Review: Decentralised Email Tested Nostr Mail (Nmail) is an open-source webmail client that carries email over the Nostr protocol, so your identity is a key pair rather than an account. It’s fast and genuinely encrypted between Nostr users, but it leaks some metadata and the bridge to ordinary email weakens the story. Nostr7 min read 
Paul O'Brien Is Proton Mail Anonymous? What It Does and Doesn’t Hide Proton Mail is excellent at keeping message contents private, but it doesn’t make you anonymous. This guide covers what it protects, what it can’t hide, what Swiss law means in practice and the safer setup for high-risk use. Email Providers8 min read 
Paul O'Brien Agentic Inbox Review: AI Webmail on Cloudflare Workers Agentic Inbox is Cloudflare’s open-source, self-hosted webmail with a built-in AI agent. It’s clean, fast and easy to deploy, but it has gaps and a shared-access security model you should understand first. Agentic Inbox6 min read 
Paul O'Brien saasmail Review: Self-Hosted Customer Inbox on Cloudflare saasmail is an open-source, self-hosted customer inbox that runs on Cloudflare Workers for about $5 a month, with one timeline per customer. This review covers the setup gotchas, passkey login, costs and who it suits. saasmail6 min read 
Paul O'Brien Swiss vs German Email Privacy: Which Jurisdiction Is Safer? Neither Switzerland nor Germany is a clear winner for email privacy. Germany has the stricter rulebook against profiling, Switzerland sits outside the EU and Fourteen Eyes, and both can order IP logging for a specific account while debating new retention powers. Email Privacy6 min read 
Paul O'Brien Mailflare Review (2026): Self-Hosted Email on Cloudflare Mailflare runs a custom-domain inbox inside your own Cloudflare account. Here is how it works, what sending really costs, and who should use it. Mailflare8 min read 
Paul O'Brien Zoho Mail Free Review: Ad-Free Email, With Catches Zoho Mail’s free plan gives you an ad-free mailbox on your own domain for up to five users, but through webmail and apps only. This review covers the limits, privacy, inactivity rules, encryption and who it suits. Email Providers7 min read 
Paul O'Brien Mail.co.uk Review: Adverts Galore & Privacy Reality I set out to review Mail.co.uk’s free email and found a webmail wrapped in display ads. Here is what the terms, privacy statement and PlusMail plan actually say. Email Providers7 min read 
Paul O'Brien iCloud Mail Needs a Redesign: A Webmail Concept Apple’s hardware is world-class, but iCloud Mail on the web feels abandoned. Here is what iCloud Mail offers today, why it needs a rebuild, and a concept UI I mocked up. Email5 min read 
Paul O'Brien Swissmail.org Review: Privacy Claims vs Trackers Swissmail.org sells exceptional Swiss privacy, but its privacy policy lists around 30 third-party services, including Meta and TikTok pixels, and its trial link still 404s. Here is what I found.” Email Providers6 min read 
Paul O'Brien Microsoft Outlook and Exchange Review: Strengths, Limits A technical look at paid Outlook and Exchange Online: which security features need which plan, how it compares to Google Workspace and Fastmail, and who should pick each. Email5 min read 
Paul O'Brien How to Turn Off AI in Gmail and Outlook (Step by Step) A step by step guide to switching off Gemini in Gmail and Copilot in Outlook, on a computer and on your phone, plus Apple Mail. What each switch does, what you lose, and why I think email works fine without AI. Email9 min read 
Paul O'Brien Email Tracking Pixels: What They Collect and How to Block Email tracking pixels tell senders when you opened a message, where you were and what device you used. Here is what they collect, what UK guidance says, and how to block them. Email Privacy8 min read 
Paul O'Brien Is Paid Google Workspace Gmail Worth It? (2026 Review) Paid Google Workspace is the most complete business email package around, but its best security tools sit on pricier plans and your mail stays inside a vast ad-funded ecosystem. Here is what each plan includes, what Google says about AI and your data, and when Fastmail is better. Email Providers12 min read 
Paul O'Brien Fastmail Security and Privacy in 2026: Where Your Data Lives A look at Fastmail the company rather than the app: who owns it, where your email is stored, how it handles legal requests, its new EU data region, what it does and doesn't encrypt, and why it keeps AI out of the inbox. Email Providers14 min read 
Paul O'Brien Out-of-Band Email: A Zero-Access Crisis Hub With Proton When ransomware or an identity outage takes down your email and chat, how do you run the response? This guide covers out-of-band communications, real incident lessons and where Proton for Business fits. Email8 min read 
Paul O'Brien Microsoft 365 vs Google Workspace: Which Should Your Business Choose? Microsoft 365 and Google Workspace compared plan by plan, with prices, storage, security and AI, and why enterprises default to Microsoft while startups pick Google. Email Providers8 min read 
Paul O'Brien Is Your Email Provider a Single Point of Failure? What happens when your email provider goes down? Usually less than you fear, as long as you’ve dealt with the quieter single points of failure: your domain, your account recovery and your data. Here’s the continuity plan I’d use. Business Continuity12 min read 
Paul O'Brien Why Real Emails Go to Spam and How to Fix It (2026) Filters are better than ever, yet invoices, password resets and client replies still land in spam. Here’s why real email gets caught, how to rescue it, and what senders need to fix. Email Security6 min read 
Paul O'Brien HEY Email Review (2026): Is the Screener Worth $99 a Year? HEY's Screener is the best answer to cold outreach I've used, but it means HEY-only apps, no IMAP and $99 a year or more. Here is what you get, what it costs, and how it compares with Fastmail. Email Providers8 min read 
Paul O'Brien Starlink Standby Mode UK: Is £9 a Month Worth It? Starlink Standby Mode keeps your dish live at 0.5Mbps for £9 a month, double last year’s price. Here’s what that gets you, whether your email will still work on it, how it compares with a 4G backup, and why power is the catch nobody mentions. Business Continuity10 min read 
Paul O'Brien Is Google Workspace Private? Who Can See Your Email I avoided Google for years over privacy fears. Now my business runs on Workspace. Here’s what Google, Gemini and your own admin can really see, and where the genuine risks sit. Email9 min read 
Paul O'Brien Cloudflare Email Routing Review 2026: Free, Now With Sending Cloudflare Email Routing gives your domain free, properly authenticated forwarding, and in 2026 Cloudflare finally added sending. Here’s what’s free, what now costs money, and when a real mailbox is the better call. Cloudflare7 min read 
Paul O'Brien Should You Self-Host Email in 2026? The Honest Answer Should you run your own email server? The pull is control and privacy. The cost is deliverability, patching and recovery. A continuity view of who it suits, what it really costs and the middle ground. Email9 min read 
Paul O'Brien Mailfence Review (2026): Plans, IMAP Access & Encryption I tried Mailfence, the private Belgian email service, alongside my own inbox. Here is what it was like to use, how its OpenPGP encryption really works and why IMAP needs the Entry plan rather than Base. Email Providers10 min read 
Paul O'Brien Proton Mail Review (2026): Privacy & Real Trade-offs Proton Mail is one of the strongest mainstream choices for limiting what your provider can see, but the design has real costs in search, desktop clients and support. Here is who it suits, what it really protects, what each plan costs in 2026, and when I would pick Fastmail instead. Email Providers10 min read 
Paul O'Brien Gmail vs Proton Mail (2026): Which Should You Use? Gmail is faster and better connected. Proton Mail cannot read the mail it stores. Here is how they compare, what I gave up, and who should stay. Email Providers8 min read 
Paul O'Brien Mailbox.org Review (2026): Plans, Trial Limits & Privacy Mailbox.org is a paid German email provider with own data centres, custom domains from €3 a month, standard IMAP and usable PGP and S/MIME. Here is what changed in its 2026 plans, why the free trial can't test real email, and who it suits. Email Providers13 min read 
Paul O'Brien Posteo Review (2026): Is €1/Month Privacy Worth It? Posteo costs €1 a month and is far more serious than that sounds: no personal details at signup, an optional zero-access mailbox and green power. It has no custom domains, which is why it isn't my main inbox. Here is who it suits and how it compares with Proton Mail and StartMail. Email Providers12 min read 
Paul O'Brien Does a UK Business Have to Publish an Email Address? For most UK online businesses, the answer is yes: the 2002 E-Commerce Regulations require an email address that is easily and permanently accessible. Even where the law doesn’t reach, hiding your support email behind a chatbot moves the cost onto your customers. Email8 min read 
Paul O'Brien When Yahoo Was the Web: Why Yahoo Mail Failed Yahoo Mail didn’t disappear overnight. It faded from relevance as trust eroded, decisions stalled, and breaches exposed deeper problems. This is the story of how the internet’s most trusted brand lost its place at the centre of email. Email7 min read 
Paul O'Brien Where’s My $26M? The History of 419 Scams From Nigerian prince emails to modern phishing, 419 scams evolved with the internet, and they expose how email’s openness can be exploited. Email6 min read 
Paul O'Brien Amazon WorkMail Review: Resilient, but Now Being Retired Amazon WorkMail looked basic but sat on serious AWS infrastructure built for resilience and governance. AWS is now retiring it, with support ending on 31 March 2027. Here is how it worked, what the sunset means, and where to go instead. Email Providers5 min read 
Paul O'Brien Proton Mail to Fastmail: Why I Switched and How to Move I still care about privacy, but I moved my main inbox from Proton Mail to Fastmail. Here’s why, what I kept at Proton, and the exact steps to switch without losing mail or changing your address. Email Providers7 min read 
Paul O'Brien Forward Email Review: Control Before the Inbox Forward Email decides where your domain's mail goes before it reaches any inbox. Here is how its routing, encrypted DNS, SMTP sending, optional storage and webhooks work, the trade-offs, and who it suits. Email Providers6 min read 
Paul O'Brien The 6 "From" Addresses Inside Every Email (and Which One to Trust) The address you see in an email is only one of six sender identities. Here is what each does, which ones SPF, DKIM and DMARC check, and how to read the real headers. Email6 min read 
Paul O'Brien What Is Secure Email? What It Actually Means (2026) There is no single meaning of secure email. Here are six, what each protects, who can still read your mail, and how to choose the right level for your needs. Email Privacy7 min read 
Paul O'Brien What Password Managers Do (And Why Aliases Matter) Most people reuse passwords without realising the risk, so one breach can unlock dozens of accounts. Here is how a password manager, email aliases and printed backup codes close that gap. Email6 min read 
Paul O'Brien Have I Been Pwned: What "Pwned" Means and What to Do Email pwned? What it means in Have I Been Pwned, whether HIBP is safe, and the steps to take after a breach: passwords, 2FA and aliases. Email Privacy8 min read 
Paul O'Brien Gmail History: How It Became the Default Inbox Gmail launched in 2004 as an invitation-only beta with 1 GB of storage and became the default inbox through reliability, search and integration, not privacy. Here is how it happened and what it costs. Email5 min read 
Paul O'Brien Fastmail Review 2026: Pricing, Privacy and Features Rated Fastmail is the best pure email service I've used: fast, private and built on open standards. So why does my mail now run through Google Workspace? An honest long read on what I loved, what I miss, and why I still left. Email Privacy9 min read 
Paul O'Brien Tuta Mail (Tutanota) Review 2026: Privacy vs Convenience Tuta Mail, formerly Tutanota, encrypts subjects, contacts and search but drops IMAP. Here is what it protects, what it costs, and how it compares with Proton and StartMail. Email Providers8 min read 
Paul O'Brien DMARC Explained: What Happens When Email Auth Fails DMARC passes only when SPF or DKIM passes and aligns with your From domain. Here is what a DMARC fail means and how to fix it. Email Authentication8 min read 
Paul O'Brien SPF Explained: What It Proves and Why It Fails SPF lists which servers may send email for your domain, but it checks the delivery path, not the sender people see. This guide covers record syntax, ~all vs -all, the 10-lookup limit and why legitimate mail fails. Email Authentication8 min read 
Paul O'Brien SPF, DKIM & DMARC: How Email Authentication Works Email was built on trust, so the From line can be faked. This guide explains how SPF, DKIM and DMARC work together, adds MX, MTA-STS and BIMI, and points to the detailed guide for each. Email Authentication6 min read 
Paul O'Brien Can You Get Disciplined for an Email Mistake? Email mistakes at work are common, but when do they lead to discipline? Here’s how UK employers weigh intent, risk and impact, what a fair process looks like, and what to do in the first hour after you hit send. Email6 min read 
Paul O'Brien Zero-Access Encryption: What It Really Means (2026 Guide) Zero-access encryption stops your provider reading stored mail, but not metadata or inbound mail before it arrives. Here is what it covers, how it differs from end-to-end, and the trade-offs. Email Privacy10 min read 
Paul O'Brien Why Use Your Own Email Domain? Cost, Setup and Risks An address on your own domain stays yours when you change provider. This guide covers what it costs, which providers support custom domains, how to move without losing mail and how to protect the domain. Email Privacy7 min read 
Paul O'Brien DKIM Explained: What It Proves and Why It Fails DKIM signs your email so receivers can check it wasn't altered, but it proves integrity, not identity. This guide covers signatures, selectors, key length, provider setup and why genuine mail fails. Email Authentication7 min read 
Paul O'Brien Why Marketing Emails Only Offer Unsubscribe Links Why so many marketing emails force a binary choice between staying and leaving, and how unsubscribe-only design misses what subscribers actually want. Email7 min read 
Paul O'Brien DuckDuckGo Email Protection Review: Free Tracker Removal DuckDuckGo Email Protection forwards mail through free @duck.com addresses and strips the trackers it recognises. Here is what it does, what it cannot do and when to choose something else. Email Privacy6 min read 
Paul O'Brien StartMail Review 2026: Features, Trade-offs, and Enterprise Security StartMail puts unlimited aliases, open IMAP/SMTP and IP header stripping at the heart of a paid-only, Dutch-based inbox. I look at pricing, PGP, the Business plan and where it falls short of Proton Mail and Tuta in 2026. Email Providers9 min read 
Paul O'Brien How to Set Up a YubiKey for Email: Gmail, Outlook, Proton and Fastmail A step by step guide to protecting your email with a YubiKey or other security key. How to add one to Gmail, Outlook, Proton (including Proton Pass) and Fastmail, when to use it as a passkey, and how to set up a spare so you never get locked out. Email Security13 min read 
Paul O'Brien The History of Email: From a 1971 Hack to the Web's Identity Layer Email began as a quick hack between two computers in the same room, and it still runs on rules written in 1982. Here's how it grew from ARPANET into the backbone of online identity, and what that history means for choosing a provider today. Email13 min read 