mirror of
https://github.com/kevinveenbirkenbach/computer-playbook.git
synced 2026-11-06 10:59:59 +00:00
The unauthenticated half of the relay probe passed on any 5xx answer. A server that refused the recipient for another reason would have counted as "relay denied". It now requires 550, the code Stalwart gives for a denied relay. Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>