Email Security Gateway Configuration Review Checklist

This email security gateway configuration review checklist ensures compliance with NIST SP 800-177 email security recommendations, DMARC RFC 7489 domain-based message authentication, SPF RFC 7208 sender policy framework, and CIS Controls v8.1 email defense controls. Designed for email security administrators to quarterly audit gateway configurations, anti-phishing controls, and data loss prevention settings. Complete all sections each quarter.

  • Industry: Telecommunications & IT
  • Frequency: Quarterly
  • Estimated Time: 1-2 hours
  • Role: Email Security Administrator / IT Security Analyst
  • Total Items: 30
  • Compliance: NIST SP 800-177 Trustworthy Email, DMARC RFC 7489 Domain-Based Message Authentication, SPF RFC 7208 Sender Policy Framework, CIS Controls v8.1 Control 9 Email and Web Browser, NIST SP 800-53 SI-8 Spam Protection

Email Authentication Protocols

SPF, DKIM, and DMARC configuration validation.

  • SPF records configured for all sending domains?
  • DKIM signing configured for all outbound email?
  • DMARC policy configured at 'quarantine' or 'reject'?
  • DMARC aggregate reports reviewed monthly?
  • BIMI (Brand Indicators) configured for key domains?

Anti-Phishing Controls

Phishing, spoofing, and business email compromise (BEC) protection.

  • Executive impersonation protection enabled?
  • Lookalike/cousin domain detection enabled?
  • Suspicious URL rewriting/sandboxing enabled?
  • Attachment sandboxing/detonation enabled?
  • External email warning banner/tag configured?

Spam and Malware Filtering

Bulk email and malware detection effectiveness.

  • Spam catch rate >= 99%?
  • False positive rate reviewed and acceptable?
  • Malware scanning on all attachments enabled?
  • Dangerous file extensions blocked (.exe, .vbs, .ps1, etc.)?
  • Password-protected archive handling configured?

Data Loss Prevention and Encryption

Outbound email DLP and encryption controls.

  • DLP policies configured for sensitive data (PII, PHI, PCI)?
  • DLP policies tested with sample data?
  • TLS enforced for email to/from partner domains?
  • Message encryption available for sensitive outbound email?
  • DLP incident reports reviewed this quarter?

Quarantine Management

Quarantine policy and end-user self-service.

  • Admin quarantine reviewed regularly?
  • End-user quarantine digest configured?
  • False positive escalation process defined?
  • Quarantine retention policy set appropriately?
  • Controls in place to prevent unauthorized bulk quarantine release?

Reporting and Quarterly Review

Email security metrics and threat trend analysis.

  • Quarterly threat statistics report generated?
  • Email threat trends reviewed for emerging patterns?
  • Phishing simulation results reviewed?
  • Policies updated based on new threats identified?
  • Quarterly Review Notes

Related IT & Data Security Checklists

Related Cybersecurity Checklists

Why Use This Email Security Gateway Configuration Review Checklist?

This email security gateway configuration review checklist helps telecommunications & it teams maintain compliance and operational excellence. Designed for email security administrator / it security analyst professionals, this checklist covers 30 critical inspection points across 6 sections. Recommended frequency: quarterly.

Ensures compliance with NIST SP 800-177 Trustworthy Email, DMARC RFC 7489 Domain-Based Message Authentication, SPF RFC 7208 Sender Policy Framework, CIS Controls v8.1 Control 9 Email and Web Browser, NIST SP 800-53 SI-8 Spam Protection. Regulatory-aligned for audit readiness and inspection documentation.

Frequently Asked Questions

What does the Email Security Gateway Configuration Review Checklist cover?

This checklist covers 30 inspection items across 6 sections: Email Authentication Protocols, Anti-Phishing Controls, Spam and Malware Filtering, Data Loss Prevention and Encryption, Quarantine Management, Reporting and Quarterly Review. It is designed for telecommunications & it operations and compliance.

How often should this checklist be completed?

This checklist should be completed quarterly. Each completion takes approximately 1-2 hours.

Who should use this Email Security Gateway Configuration Review Checklist?

This checklist is designed for Email Security Administrator / IT Security Analyst professionals in the telecommunications & it industry. It can be used for self-assessments, team audits, and regulatory compliance documentation.

Can I download this checklist as a PDF?

Yes, this checklist is available as a free PDF download. You can also use it digitally in the POPProbe mobile app for real-time data capture, photo documentation, and automatic reporting.

Browse More Checklists