About MetaDefender Cloud Email Security
Highest level of protection for your email
MetaDefender Cloud Email Security is an Integrated Cloud Email Security (ICES; Gartner) or Cloud-native API-enabled Email Security (CAPES; Forrester) service that can increase the security level of traditional Secure Email Gateway (SEG) services 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);
- real-time sandbox that analyzes relevant email components in-line with low delay, before the email gets delivered
Intelligent Threat Prevention with machine learning anti-malware techniques;
Secure Retrieval of Attachments for Outbreak Prevention when integrated to MetaDefender Vault.

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 guide is intended to provide the information you need to:
- Configure, and manage MetaDefender Cloud Email Security;
- 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.
Differences to on-prem Email Gateway Security
Feature | Cloud Email Security | Email Gateway Security |
---|---|---|
Phishing filters | Supported | |
Real-time anti-phishing | Supported | |
Multiscanning | 8 AV or MAX AV (by plan) | Supported |
Deep CDR | Supported | |
Real-time Sandbox | Supported | |
Spam filters | Supported | |
Proactive DLP | Supported | |
Backend configuration | Via support requests | |
Multi-factor Authentication | Via Tenant Portal | Via Customer SSO |
User management | Via Tenant Portal |