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Avanan Administration Guide

Index

Avanan Administration Guide

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Appendix
Appendix H: Activating Office 365 Mail in Hybrid Environments
Avanan Support for Hybrid Environments
Limitations for On-premises Mailboxes

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

Limitations for On-premises Mailboxes

Avanan does not have API access to the mailboxes in on-premises Exchange Server. So, these are the limitations.

Avanan cannot pull the emails from on-premise mailboxes to quarantine.

Important:
To secure hybrid environments, you must keep the Avanan policies in Prevent (Inline) mode. Otherwise, phishing emails sent to on-premises mailboxes will not be quarantined.
Avanan cannot present the status of the emails (deleted, forwarded, replied to etc.).

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30 June 2026

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