Profile in integrations/postfix (install.sh + README), now used by the
live deployment. Probe runs every conformance-corpus local-part and the
relay negatives against it; tests/test_postfix_profile.py runs it where
Docker is available.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Assistant: claude-code
Assistant-Model: opus
Assistant-Process: 5787@bnt-lap001
Assistant-Session: 5db26b82-138b-40cc-9856-4d5eb0f752fd
