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Email Security Administration Guide
Index
Email Security Administration Guide
Check Point Support
  1. Home
  2. Appendix
  3. Appendix A: Check Point Manual Integration with Office 365 Mail
  4. Step 9 - Transport Rules (Protect (Inline) Mode)
  • Important Information
  • Introduction to Email Security
  • Getting Started
  • Configuring Security Engines
  • Email Protection
  • Messaging Apps Protection
  • File Storage Protection
  • Compromised Account (Anomaly) Detection
  • Partner Risk Assessment (Compromised Partners)
  • Cloud SMTP Relay
  • Managing Security Exceptions
  • Managing Security Events
  • Managing Quarantine
  • Customization
  • SmartConfig Recommendations
  • Incident Response as a Service (IRaaS)
  • DMARC Management
  • Security Posture Management (SSPM)
  • Leaked Credentials
  • Security Awareness Training
  • Video Tutorials
  • Appendix
    • Appendix A: Check Point Manual Integration with Office 365 Mail
      • Step 1 - Authorize the Manual Integration Application
      • Step 2 - On-boarding (Monitor only and Detect and Remediate)
      • Step 3 - Check Point Contact
      • Step 4 - Journal Rule
      • Step 5 - Connectors
      • Step 6 - Connection Filter (All Modes)
      • Step 7 - Protect (Inline) Protection Mode Policy Configuration on Email Security
      • Step 8 - Connectors (Protect (Inline) Mode)
      • Step 9 - Transport Rules (Protect (Inline) Mode)
        • Check Point - Protect External
        • Check Point - Protect Internal
        • Check Point - Protect
        • Check Point - Allow-List
        • Check Point - Junk Filter
        • Check Point - Encryption
        • Transport Rules
      • Step 10 - Sending User Reported Phishing Emails to an Internal Mailbox
      • Reverting Manual Onboarding / Switching to Automatic Onboarding
      • Unified Quarantine for Manual Mode On boarding with Office 365 Mail
    • Appendix B: Check Point Manual Integration with Google Gmail
    • Appendix C: Manual Steps for Enabling Gmail Prevent (Inline) DLP Policy
    • Appendix D: Securing FedRAMP Organizations
    • Appendix E: DLP Built-in Data Types and Categories
    • Appendix F: Supported Languages for Anti-Phishing
    • Appendix G: Data Retention Policy
    • Appendix H: Activating Office 365 Mail in Hybrid Environments
    • Appendix I: Permitted IP Addresses to access the Check Point Azure Application
    • Appendix J: Supported File Types for DLP
    • Appendix K: Troubleshooting
    • Appendix L: Outlook Add-In
    • Appendix M: Configuring Postfix as an Internal SMTP Relay for Non‐TLS Senders to Check Point Cloud SMTP Relay

Step 9 - Transport Rules (Protect (Inline) Mode)

Note:

If any mail flow rules already exist, the Check Point rules must be prioritized.

These are the Check Point rules:

  1. Check Point - Protect External

  2. Check Point - Protect Internal

  3. Check Point - Protect

  4. Check Point - Allow-List

  5. Check Point - Junk Filter

  6. Check Point - Encryption

Related information
  • Step 1 - Authorize the Manual Integration Application
  • Step 2 - On-boarding (Monitor only and Detect and Remediate)
  • Step 3 - Check Point Contact
  • Step 4 - Journal Rule
  • Step 5 - Connectors
  • Step 6 - Connection Filter (All Modes)
  • Step 7 - Protect (Inline) Protection Mode Policy Configuration on Email Security
  • Step 8 - Connectors (Protect (Inline) Mode)
  • Step 10 - Sending User Reported Phishing Emails to an Internal Mailbox
  • Reverting Manual Onboarding / Switching to Automatic Onboarding
  • Unified Quarantine for Manual Mode On boarding with Office 365 Mail
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21 July 2026
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