Post‑launch 24h stability check

After a large send or route switch, confirm authentication stays green and unsubscribe remains frictionless. Use hard thresholds and store evidence.

What to check

• Score delta < 20 vs pre‑launch; investigate FAIL↔PASS flips
• One‑Click present; endpoint returns 200; no SSRF‑risky URLs
• AR sample shows dkim=pass on new selector; alignment OK
• Complaint rate within target; easy unsubscribe in footers

Evidence & follow‑ups

• Generate PDF with scanId/sha256; attach to launch ticket
• Open Verify link; record “matched: true” result
• Schedule a selector/key health check for the next window