Tag
dkim
- Apr 1, 2026 ARC and Authentication Across Forwarding Hops How a chain of seals lets a receiving domain trust authentication results recorded before a message was forwarded, and where that trust stops being safe. internet protocols
- Apr 11, 2023 DKIM Canonicalization and What It Actually Signs How a DKIM signature survives transport rewriting, why two canonicalization algorithms exist, and which header fields the signature deliberately excludes. internet protocols