User Guide

About This Guide

This guide is intended to provide the information you need to:

  • Learn about new and updated features, and bug fixes on each MetaDefender Email Gateway Security release (i.e. each product version's release notes).

  • Learn about frequently asked questions and additional concepts through our library of knowledge base articles.

While we offer the option to download this guide to a PDF file, it is optimized for online browser viewing. OPSWAT updates the online version of the guide regularly on an "as needed" basis. By viewing the document online, you are assured that you are always seeing the most recent and most comprehensive version of the guide.

About MetaDefender Email Gateway Security

Second Layer of Defense for Your Email Security Gateway

Email security gateways, although offering tremendous protection, are not perfect. MetaDefender Email Gateway Security enhances existing email security gateways by offering additional protection with more than 30 anti-malware engines (leveraging both heuristics and signature-based detection) and Deep Content Disarm and Reconstruction (Deep CDR) to combat increasingly popular document-based or image-based attacks.

Key Features

  • Prevent with email sanitization using Deep Content Disarm and Reconstruction (Deep CDR)

  • Detect and prevent more threats by scanning with more than 30 leading anti-malware engines

  • Leverage heuristic analysis to detect more unknown and targeted attacks

  • Decrease detection time of outbreaks

  • Easily integrate with existing email security layer

  • Real-time monitoring threats

  • Real-time alert and monitoring

  • Schedule report

  • High performance

  • Quarantine infected and sanitized email

Deployment Options

Mail Proxy Deployment (Generic)

In this traditional setup MetaDefender Email Gateway Security acts as an anti-malware email proxy between the email gateway (anti-spam) and the mail server.


Cloud Deployment

For hosted solutions such as Office 365 or G Suite Gmail.


Onsite Microsoft Exchange Deployment

This is the standard setup with Microsoft Exchange Server.


MetaDefender Email Gateway Security as mail proxy

MetaDefender does not incorporate or include the following functionalities:

  • Replace email gateway

    • for spam filtering

    • for NDR based on email validation although we can validate syntactically and mark failed to deliver.

  • Replace mail server

    • user-based quarantine

    • user authentication based on email address (e.g, active directory)