How Spamhaus blocklisted my SMTP verifier — a server that never sent an email

August 20, 2026 · Dev.to

"What's the Catch?" — Why StayPresent Is Actually Free
A tool that handles crash recovery, hang detection, and a full status page sounds like it should cost something. Here's
Is Your REST API really a REST API?
Before anything I want us to keep this name at the top of our heads, not forever but for now. LEONARD RICHARDSON. I know
Building a Disposable Notion Agent on Cheap Models
TL;DR: We built a one-shot HTTP worker that talks to Notion through MCP. Version one worked. Version two got cheaper and
Setting up an IPv6 only VM
Too many applications are still using IPv4 only, which is a shame as IPv6 was standardised ~28 years ago. If you want to
AI-Generated Attack Tools Targeting Siemens S7 PLCs
AI-Generated Attack Tools Targeting Siemens S7 PLCs 1. Basic Information Article Title: US warns of AI-powered attacks o