About MetaDefender Email Gateway Security
Highest Level of Protection for Your Email
MetaDefender Email Gateway Security precedes traditional email security gateways in terms of the following:
- Anti-spam and anti-phishing using one of the best anti-spam engines with the lowest false positive rate.
- Proactive Phishing Prevention using MetaDefender Cloud or the Deep Content Disarm and Reconstruction technology;
- Zero-Day Malware Prevention with OPSWAT’s Deep Content Disarm and Reconstruction technology;
- Disarm Password-Protected Attachments giving the opportunity to recipients to decrypt the files;
- Prevent Sensitive Data Loss while still delivering emails with our Proactive Data Loss Prevention technology;
- Advanced Threat Prevention with more than 30 anti-malware engines (leveraging both heuristics and signature-based detection);
- Intelligent Threat Prevention with machine learning anti-malware techniques;
- Secure Retrieval of Attachments for Outbreak Prevention when integrated to MetaDefender Managed File Transfer.

About this guide
This guide does not cover all aspects of the product: not all configuration options and functional capabilities are detailed here.
The user interface was built to be intuitive enough to make proper operation of the product possible in all cases.
This user guide is about the bundle edition of Email Gateway Security unless it is noted otherwise. For details see Installation/Licensing.
This guide is intended to provide the information you need to:
- Install, configure, and manage MetaDefender Email Gateway Security v5;
- Learn about new and updated features, and bug fixes on each release;
- Learn about 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 this guide regularly on an as needed basis. By viewing this document online, you are assured that you are always seeing the most recent and most comprehensive version of the guide.