Product Overview
The September release of MetaDefender Email Security added several advanced gateway-technologies, enabling the solution to provide up to 99% protection against malware. The current release includes new capabilities to simplify IT security operation management.
Release Highlights
There are multiple enhancements, such as the new tags function for the security rules, improved SMTP settings, and reporting. Furthermore, the performance has increased thanks to the integration of the latest release of MetaDefender Core 4.19.2.
New Features
- Expanded SMTP server settings

- Improved reporting
New report templates are available for both inbound and outbound emails:
- Overview
- Top Malicious Sender
- Top Threat Targets
- Zero-Day Malware Prevention
- Advanced Threat Prevention
- Data Loss Prevention
- Unsolicited Emails
By submitting the required report, the users will get detailed information with a wide range of statistics and multi-color charts to enhance the non-IT user-experience.

- Tags function
Easier email management of security rules for IT admins through the use of the Tags function to mark the subjects.
- Custom tags for the email-process make emails easy to search.
- A lightweight solution to find all SPAM emails (e.g.: in email history).
- Option for administrators to add the TAG to the subject of the emails to notify the users.
Improved Performance
- MetaDefender Core 4.19.2 integration
The product management team is constantly working to improve performance and add feature enhancements. By integration with the latest release of MetaDefender Core, there will be a significant improvement in the processing of emails. See the test results of the core here.
For more information please visit the following blog post:
- https://www.opswat.com/blog/metadefender-core-v4-19-0-release
- New versions of engines applied
MetaDefender Core leverages several upgrades in OPSWAT technologies, including Deep Content Disarm and Reconstruction (Deep CDR), Multiscanning, Data Loss Prevention, and Threat Intelligence, and now they are all integrated into the bundles of MetaDefender Email Security.
For more information please visit the following blog posts:
- https://www.opswat.com/blog/visual-comparison-automatic-approach-to-validate-deep-cdr-usability
- https://www.opswat.com/blog/opswat-deep-cdr-now-supports-dicom-file-format
- https://www.opswat.com/blog/proactive-dlp-v2-4-release
MetaDefender Email Security provides a new approach for email protection to Critical Infrastructure and Corporate networks.
Contact us to learn more today – or read more at Email Gateway Security.
Release Details
- Product: MetaDefender Email Security
- Release Date: 17 December 2020
- Release Notes: 5.2.0
- Download Link on OPSWAT Portal: Download