Notes and practical observations on Business Continuity, corporate resilience, and core internet technology — from DNS, email authentication, and online security to real-world IT infrastructure. I’m documenting what I learn as I build towards certifications like the CBCI and beyond, alongside insights from years of working with digital tools and messaging systems. Follow along on the journey, or feel free to reach out directly at hello@paulobrien.com.
Journey to the CBCI: Master Business Continuity & Resilience
Documenting my journey toward earning the Certificate of the Business Continuity Institute (CBCI) and exploring BCI Good Practice Guidelines (GPG 7.0).
Mailbox.org Review 2026: Secure, Paid Email Done Properly
Mailbox.org is a paid German email provider with strong transport security, custom domains, IMAP support, and PGP/S/MIME options — but the 30-day trial blocks external sending.
Posteo Review 2026: Privacy for €1/month
Posteo offers privacy-focused email for €1/month. I tested it to see how it handles anonymity, encryption, IMAP, and real-world usability.
Mailfence Review 2026: Privacy Without the Hype?
Mailfence is a Belgian email provider built around OpenPGP encryption, IMAP compatibility, and a paid-first model. This review looks at how it performs in practice — and who it actually suits in 2026.
Amazon WorkMail: Quietly Serious Business Email
Amazon WorkMail looks basic at first glance — but beneath the minimal interface sits serious infrastructure. A hands-on look at what $4 per user really delivers for small and mid-sized businesses.