Tag: #dmarc
Writing on GPUs, LLMs, MLOps, Kubernetes — and mindset · 1 posts
DMARC Becomes a Standard After 11 Years — RFC 9989's Tree Walk, the pct Sunset, and the p=reject Warning
DMARC (RFC 7489), the de facto standard for email authentication since March 2015, was actually an Informational document that never went through IETF working-group consensus. In May 2026 the IETF replaced it with three
2026-07-17 · 15 min read #email#dmarc#dns#security#rfc