<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom" xmlns:content="http://purl.org/rss/1.0/modules/content/"><channel><title>Email &amp; Infrastructure on Paul O'Brien — Insights</title><link>https://paulobrien.com/categories/email--infrastructure/</link><description>Recent content in Email &amp; Infrastructure on Paul O'Brien — Insights</description><generator>Hugo</generator><language>en</language><lastBuildDate>Mon, 16 Mar 2026 17:40:58 +0000</lastBuildDate><atom:link href="https://paulobrien.com/categories/email--infrastructure/index.xml" rel="self" type="application/rss+xml"/><item><title>Mailbox.org Review (2026): Secure Email Done Right</title><link>https://paulobrien.com/posts/mailbox-org-review-2026/</link><pubDate>Mon, 16 Mar 2026 17:40:58 +0000</pubDate><guid>https://paulobrien.com/posts/mailbox-org-review-2026/</guid><description>Mailbox.org offers strong German security, custom domains, and PGP encryption—though its 30-day trial restricts external sending until you pay.</description></item><item><title>Posteo Review (2026): Is €1/Month Privacy Worth It?</title><link>https://paulobrien.com/posts/posteo-review/</link><pubDate>Wed, 25 Feb 2026 12:25:16 +0000</pubDate><guid>https://paulobrien.com/posts/posteo-review/</guid><description>Posteo delivers privacy-focused German email for €1/month. Here is how it handles total anonymity, PGP encryption, IMAP client support, and everyday usability.</description></item><item><title>Mailfence Review (2026): Privacy Without Hype?</title><link>https://paulobrien.com/posts/mailfence-review/</link><pubDate>Sun, 22 Feb 2026 20:21:41 +0000</pubDate><guid>https://paulobrien.com/posts/mailfence-review/</guid><description>Mailfence is a Belgian email service built on OpenPGP encryption and IMAP support. Here is how it performs in practice and who it best suits in 2026.</description></item><item><title>Should Businesses Hide Their Email Address?</title><link>https://paulobrien.com/posts/why-hide-email-support/</link><pubDate>Fri, 20 Feb 2026 18:49:52 +0000</pubDate><guid>https://paulobrien.com/posts/why-hide-email-support/</guid><description>When companies hide behind chatbots, support becomes a negotiation. Email remains the calmest, most reliable way to resolve complex problems on your own terms.</description></item><item><title>When Yahoo Was the Web: Why Yahoo Mail Failed</title><link>https://paulobrien.com/posts/when-yahoo-was-the-internet/</link><pubDate>Fri, 20 Feb 2026 00:00:00 +0000</pubDate><guid>https://paulobrien.com/posts/when-yahoo-was-the-internet/</guid><description>Yahoo Mail didn&amp;#39;t disappear overnight—it faded as trust eroded and breaches mounted. Explore how the web&amp;#39;s biggest email brand lost its dominant position.</description></item><item><title>Where’s My $26M? The History of 419 Scams</title><link>https://paulobrien.com/posts/419-email-scams/</link><pubDate>Mon, 16 Feb 2026 11:29:40 +0000</pubDate><guid>https://paulobrien.com/posts/419-email-scams/</guid><description>From Nigerian prince emails to modern phishing, 419 scams evolved with the internet — exposing how email’s openness can be exploited.</description></item><item><title>Why Email Provider Support needs a rethink</title><link>https://paulobrien.com/posts/why-email-provider-support-needs-a-rethink/</link><pubDate>Sun, 15 Feb 2026 08:20:02 +0000</pubDate><guid>https://paulobrien.com/posts/why-email-provider-support-needs-a-rethink/</guid><description>A look at how support works at email providers, why it breaks down at scale, and what responsive customer service should look like in practice.</description></item><item><title>Email Is Still a Craft — Even When We Pretend</title><link>https://paulobrien.com/posts/email-is-still-a-craft-even-if-we-pretend-it-isnt/</link><pubDate>Fri, 13 Feb 2026 12:56:32 +0000</pubDate><guid>https://paulobrien.com/posts/email-is-still-a-craft-even-if-we-pretend-it-isnt/</guid><description>Email used to be the product. Now it’s bundled into bloated suites—yet it remains a deliberate craft: slower, clearer, and far more intentional.</description></item><item><title>Amazon WorkMail: Built for Resilience</title><link>https://paulobrien.com/posts/amazon-workmail-business-email/</link><pubDate>Thu, 12 Feb 2026 15:42:39 +0000</pubDate><guid>https://paulobrien.com/posts/amazon-workmail-business-email/</guid><description>Amazon WorkMail looks plain, but beneath the interface lies serious AWS infrastructure. Here is what $4/user delivers for business continuity and risk reduction.</description></item><item><title>Why We’ll Pay for Everything — Except Email</title><link>https://paulobrien.com/posts/pay-for-almost-anything-except-email/</link><pubDate>Wed, 11 Feb 2026 13:17:58 +0000</pubDate><guid>https://paulobrien.com/posts/pay-for-almost-anything-except-email/</guid><description>We pay for everyday comforts without thinking, yet hesitate to protect our email. Here is why investing in your digital anchor is worth a few pounds a month.</description></item><item><title>Why I Switched from Proton Mail to Fastmail</title><link>https://paulobrien.com/posts/proton-to-fastmail/</link><pubDate>Tue, 10 Feb 2026 10:17:21 +0000</pubDate><guid>https://paulobrien.com/posts/proton-to-fastmail/</guid><description>I still care about privacy, but I moved from Proton Mail to Fastmail. Here is why open standards, instant search, and Masked Email tipped the scales.</description></item><item><title>Forward Email: Control Before the Inbox</title><link>https://paulobrien.com/posts/forward-email-control-before-the-inbox/</link><pubDate>Mon, 09 Feb 2026 14:24:34 +0000</pubDate><guid>https://paulobrien.com/posts/forward-email-control-before-the-inbox/</guid><description>A deep dive into ForwardEmail.net: how domain-level routing, security, and automation process your messages before they reach an inbox.</description></item><item><title>The 6 "From" Addresses Inside Every Single Email</title><link>https://paulobrien.com/posts/email-from-addresses-explained/</link><pubDate>Sun, 08 Feb 2026 08:00:23 +0000</pubDate><guid>https://paulobrien.com/posts/email-from-addresses-explained/</guid><description>The address in an email isn’t always the real sender. Learn how multiple &amp;#34;from&amp;#34; identities explain spam checks, bounces, and email authentication.</description></item><item><title>What Does “Secure Email” Actually Mean?</title><link>https://paulobrien.com/posts/what-does-secure-email-actually-mean/</link><pubDate>Fri, 06 Feb 2026 19:35:27 +0000</pubDate><guid>https://paulobrien.com/posts/what-does-secure-email-actually-mean/</guid><description>Secure email means different things. From TLS in transit to zero-knowledge encryption, learn what real email security involves and where marketing misleads.</description></item><item><title>What Password Managers Do (And Why Aliases Matter)</title><link>https://paulobrien.com/posts/password-manager/</link><pubDate>Fri, 06 Feb 2026 08:36:07 +0000</pubDate><guid>https://paulobrien.com/posts/password-manager/</guid><description>Reusing passwords exposes your entire digital life. Discover how password managers, email aliases, and backup codes close the gap and secure your accounts.</description></item><item><title>Have I Been Pwned: Breach Risks for Email</title><link>https://paulobrien.com/posts/why-have-i-been-pwned-matters-and-what-it-really-tells-you/</link><pubDate>Thu, 05 Feb 2026 16:29:45 +0000</pubDate><guid>https://paulobrien.com/posts/why-have-i-been-pwned-matters-and-what-it-really-tells-you/</guid><description>Data breaches leak the email addresses that link your identity online. Learn how Have I Been Pwned helps you assess your exposure and secure your accounts.</description></item><item><title>Gmail: From Invite-Only Beta to Default Inbox</title><link>https://paulobrien.com/posts/how-gmail-became-the-default-inbox/</link><pubDate>Sat, 31 Jan 2026 10:43:31 +0000</pubDate><guid>https://paulobrien.com/posts/how-gmail-became-the-default-inbox/</guid><description>Gmail didn’t become the default inbox by accident. Explore how scale, clever design, and ecosystem integration beat privacy-first alternatives.</description></item><item><title>Fastmail Review (2026): Reliability Over Hype</title><link>https://paulobrien.com/posts/fastmail-in-2026/</link><pubDate>Fri, 30 Jan 2026 08:53:02 +0000</pubDate><guid>https://paulobrien.com/posts/fastmail-in-2026/</guid><description>Fastmail in 2026 is a standards-first email service built for portability, reliability, and long-term control—not encryption maximalism or platform lock-in.</description></item><item><title>Tuta Mail Review 2026: Privacy vs Convenience</title><link>https://paulobrien.com/posts/tuta-mail-in-2026/</link><pubDate>Wed, 28 Jan 2026 20:00:47 +0000</pubDate><guid>https://paulobrien.com/posts/tuta-mail-in-2026/</guid><description>An honest Tuta Mail review for 2026: quantum-resistant encryption, metadata privacy, and real-world trade-offs compared to Proton and StartMail.</description></item><item><title>DMARC: What Happens When Email Auth Fails?</title><link>https://paulobrien.com/posts/dmarc-explained/</link><pubDate>Mon, 26 Jan 2026 18:01:53 +0000</pubDate><guid>https://paulobrien.com/posts/dmarc-explained/</guid><description>DMARC turns SPF and DKIM checks into enforceable policy decisions, telling receiving servers what to do when email authentication fails.</description></item><item><title>DKIM Proves Message Integrity — Not Sender Identity</title><link>https://paulobrien.com/posts/dkim-explained/</link><pubDate>Mon, 26 Jan 2026 16:00:07 +0000</pubDate><guid>https://paulobrien.com/posts/dkim-explained/</guid><description>DKIM doesn’t verify who sent an email. It proves the message wasn’t altered in transit and links responsibility to a domain. Here is what DKIM actually proves.</description></item><item><title>SPF: What It Proves — and Why It Fails So Often</title><link>https://paulobrien.com/posts/spf-explained/</link><pubDate>Mon, 26 Jan 2026 15:06:35 +0000</pubDate><guid>https://paulobrien.com/posts/spf-explained/</guid><description>SPF verifies delivery servers, not senders. Learn why SPF passes during phishing attacks, breaks during email forwarding, and isn&amp;#39;t a standalone trust signal.</description></item><item><title>Spamhaus &amp; the Shape of Modern Email Filtering</title><link>https://paulobrien.com/posts/spamhaus-spam-and-the-shape-of-modern-email-filtering/</link><pubDate>Mon, 26 Jan 2026 10:45:00 +0000</pubDate><guid>https://paulobrien.com/posts/spamhaus-spam-and-the-shape-of-modern-email-filtering/</guid><description>Spam didn’t die—it got pushed into the shadows. Discover how reputation systems like Spamhaus police the web, reshape email threats, and keep inboxes usable.</description></item><item><title>SPF, DKIM &amp; DMARC: How Email Authentication Works</title><link>https://paulobrien.com/posts/spf-dkim-dmarc-explained/</link><pubDate>Sun, 25 Jan 2026 13:56:10 +0000</pubDate><guid>https://paulobrien.com/posts/spf-dkim-dmarc-explained/</guid><description>Email authentication relies on SPF, DKIM, and DMARC. Learn how these interlocking protocols work together—and where their security boundaries actually end.</description></item><item><title>Your Email Is Your Weakest Privacy Link</title><link>https://paulobrien.com/posts/your-email-address-is-still-your-weakest-privacy-link/</link><pubDate>Fri, 23 Jan 2026 16:32:39 +0000</pubDate><guid>https://paulobrien.com/posts/your-email-address-is-still-your-weakest-privacy-link/</guid><description>Privacy erodes quietly as one email address is reused across years of services. Learn how an overused inbox becomes an identity anchor and tracking vector.</description></item><item><title>Why Spam Isn't Disappearing: How It Evolved</title><link>https://paulobrien.com/posts/why-spam-isnt-disappearing-its-just-changing-shape/</link><pubDate>Thu, 22 Jan 2026 08:00:29 +0000</pubDate><guid>https://paulobrien.com/posts/why-spam-isnt-disappearing-its-just-changing-shape/</guid><description>Spam hasn&amp;#39;t disappeared—it adapted. From mass junk mail to subtle impersonation, learn how modern spam blends into daily digital life and how to spot it.</description></item><item><title>Zero-Access Encryption: What It Really Means</title><link>https://paulobrien.com/posts/what-zero-access-architecture-actually-means-and-why-it-matters/</link><pubDate>Tue, 20 Jan 2026 08:00:15 +0000</pubDate><guid>https://paulobrien.com/posts/what-zero-access-architecture-actually-means-and-why-it-matters/</guid><description>Zero-access architecture changes who can read your email. Learn how zero-access differs from standard encryption, how it works, and its key trade-offs.</description></item><item><title>Why Using Your Own Email Domain Makes Sense</title><link>https://paulobrien.com/posts/why-using-your-own-domain-for-email-makes-sense/</link><pubDate>Sun, 18 Jan 2026 18:25:31 +0000</pubDate><guid>https://paulobrien.com/posts/why-using-your-own-domain-for-email-makes-sense/</guid><description>Using your own domain for email prevents lock-in, ages better than free inboxes, and gives you complete control over your core digital identity.</description></item><item><title>Free vs. Paid Email: What You Really Pay With</title><link>https://paulobrien.com/posts/free-vs-paid-email-what-you-are-really-paying-with/</link><pubDate>Thu, 15 Jan 2026 20:12:22 +0000</pubDate><guid>https://paulobrien.com/posts/free-vs-paid-email-what-you-are-really-paying-with/</guid><description>Free email feels effortless, but the hidden costs show up later. Explore the real trade-offs between free and paid email: control, privacy, and long-term trust.</description></item><item><title>It’s Not If Your Email Gets Hacked — It’s When</title><link>https://paulobrien.com/posts/its-not-if-your-email-provider-gets-hacked-its-when/</link><pubDate>Tue, 13 Jan 2026 15:33:58 +0000</pubDate><guid>https://paulobrien.com/posts/its-not-if-your-email-provider-gets-hacked-its-when/</guid><description>Email breaches are inevitable. What matters isn’t whether your provider gets hacked—it’s how much damage is done and how to limit exposure when it happens.</description></item><item><title>Why Marketing Emails Only Offer Unsubscribe Links</title><link>https://paulobrien.com/posts/marketing-emails-unsubscribe-only/</link><pubDate>Sat, 10 Jan 2026 12:07:28 +0000</pubDate><guid>https://paulobrien.com/posts/marketing-emails-unsubscribe-only/</guid><description>Why forcing a binary &amp;#34;stay or go&amp;#34; unsubscribe option frustrates users—and how preference centers better align with what subscribers actually want.</description></item><item><title>DuckDuckGo Email Protection: Tracker &amp; Spam Shield</title><link>https://paulobrien.com/posts/duckduckgo-email-protection/</link><pubDate>Thu, 08 Jan 2026 11:55:43 +0000</pubDate><guid>https://paulobrien.com/posts/duckduckgo-email-protection/</guid><description>DuckDuckGo Email Protection adds privacy by forwarding email, blocking trackers, and stopping spam—without replacing your current inbox provider.</description></item><item><title>StartMail Review 2026: Features &amp; Trade-offs</title><link>https://paulobrien.com/posts/startmail/</link><pubDate>Thu, 01 Jan 2026 08:00:00 +0000</pubDate><guid>https://paulobrien.com/posts/startmail/</guid><description>A plain-English StartMail review for 2026: exploring paid-only privacy email, unlimited burner aliases, IMAP client setup, and who it suits best.</description></item><item><title>Can You Get Disciplined for an Email Mistake?</title><link>https://paulobrien.com/posts/email-mistake-workplace-discipline/</link><pubDate>Tue, 24 Sep 2024 16:13:55 +0000</pubDate><guid>https://paulobrien.com/posts/email-mistake-workplace-discipline/</guid><description>Email mistakes at work happen, but when do they lead to discipline? Here is how employers evaluate intent, business risk, and actual impact.</description></item><item><title>Is Email Here to Stay? Why Open Identity Wins</title><link>https://paulobrien.com/posts/is-email-here-to-stay/</link><pubDate>Sun, 22 Sep 2024 11:17:31 +0000</pubDate><guid>https://paulobrien.com/posts/is-email-here-to-stay/</guid><description>Messaging apps didn’t kill email. Discover why email remains the essential foundation for digital identity, account recovery, and online trust.</description></item><item><title>YubiKey &amp; Security Keys with Proton Pass (Guide)</title><link>https://paulobrien.com/posts/proton-pass-yubikey-security-keys/</link><pubDate>Sun, 22 Sep 2024 08:50:02 +0000</pubDate><guid>https://paulobrien.com/posts/proton-pass-yubikey-security-keys/</guid><description>Step-by-step guide to securing your Proton Pass vault with YubiKey and FIDO2 hardware keys for phishing-resistant, hardware-backed 2FA protection.</description></item><item><title>The History of Email: From ARPANET to Today</title><link>https://paulobrien.com/posts/history-of-email/</link><pubDate>Sat, 21 Sep 2024 15:56:20 +0000</pubDate><guid>https://paulobrien.com/posts/history-of-email/</guid><description>Email began as a way for researchers to network messages. Decades later, it remains the open foundation that underpins our entire digital life.</description></item><item><title>Proton Mail Review (2026): Privacy &amp; Real Trade-offs</title><link>https://paulobrien.com/posts/deep-dive-proton-mail/</link><pubDate>Fri, 13 Sep 2024 10:30:50 +0000</pubDate><guid>https://paulobrien.com/posts/deep-dive-proton-mail/</guid><description>A structural review of Proton Mail’s privacy architecture, usability trade-offs, support realities, and who it genuinely suits.</description></item><item><title>Gmail vs. Proton Mail: Why I Made the Switch</title><link>https://paulobrien.com/posts/gmail-vs-proton-mail---why-i-switched-for-privacy/</link><pubDate>Wed, 11 Sep 2024 15:31:06 +0000</pubDate><guid>https://paulobrien.com/posts/gmail-vs-proton-mail---why-i-switched-for-privacy/</guid><description>After years on Gmail, I moved to Proton Mail. This isn’t a feature checklist—it’s why privacy and control mattered more than ecosystem convenience.</description></item></channel></rss>