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Avanan Administration Guide

Avanan Administration Guide

Check Point Support

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Appendix
Appendix M: Configuring Postfix as an Internal SMTP Relay for Non‐TLS Senders to Avanan Cloud SMTP Relay
Postfix Configuration
Compatibility Level

Important Information
Introduction to Avanan
Getting Started
Migrating from an Avanan Portal to a Check Point Portal
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
Leaked Credentials
Security Awareness Training
User Management
Configuration SAML
Multi-Factor Authentication using Google Authenticator
Video Tutorials
Appendix

Compatibility Level

compatibility_level = 3.9

This ensures that Postfix uses modern default behaviors aligned with Postfix version 3.9.

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30 June 2026

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