Spam trap hits

Mail is reaching trap addresses, signaling acquisition or hygiene failures.

Severity: Critical

• Sudden blocklisting or filtering without a content change
• Trap network or blocklist notices referencing trap traffic

• Misconfiguration
• Incomplete rollout
• DNS propagation delay

• Confirm the symptom in headers or reports
• Inspect the relevant DNS records
• Validate with a trusted checker

• Correct the DNS or signing configuration
• Re-test and confirm alignment where required

• Re-check DNS
• Send a test message
• Confirm expected authentication results

• Document changes
• Monitor reports after deployment

• Production mail is failing authentication after a change window