Description: Confirm that the three sending IP addresses are properly documented in your infrastructure inventory to maintain awareness of all authorized mail sources
Steps to Take:
Affected IPs:
69.169.224.1,
69.169.224.5,
69.169.224.6
Description: Currently only receiving reports from Enterprise Outlook. Increase visibility by monitoring reports from other major email providers to ensure comprehensive authentication coverage
Steps to Take:
Description: Document current performance metrics to enable detection of future anomalies or changes in email sending patterns
Steps to Take:
Description: With a 'reject' policy in place and 100% pass rate, verify that the policy is being enforced by recipient servers and consider adding forensic reporting
Steps to Take:
| Source IP | Hostname / Provider | Count | SPF | DKIM | Disposition |
|---|---|---|---|---|---|
69.169.224.1 |
No reverse DNS | 2 | pass | pass | none |
69.169.224.5 |
No reverse DNS | 1 | pass | pass | none |
69.169.224.6 |
No reverse DNS | 1 | pass | pass | none |