Technical analysis and operational guides covering core internet infrastructure—with a heavy emphasis on email systems, DNS protocols, and network security. These articles explore authentication frameworks (SPF, DKIM, DMARC), resilience engineering, and secure system design to help technical teams build reliable, hardened infrastructure.
For over 25 years, the spam folder has been our digital safety net. While protocols like SPF, DKIM, and DMARC have driven bulk junk away from our inboxes, the risk of false positives keeps us auditing it. Here is how filtering evolved—and why the junk folder persists.
Terrestrial internet and 4G/5G failovers depend on shared infrastructure that fails in a blackout. Discover how Starlink provides a sovereign, off-grid lifeline for UK businesses.
Unlocking enterprise-grade domain defence at zero cost: how to leverage Cloudflare's free DMARC management, edge email routing, and unmetered DDoS protection.
