Version 5.6.3
Release date | Scope |
---|---|
November 7th, 2022 | MetaDefender Email Gateway Security 5.6.3 is a maintenance release focusing on a few improvements and fixes. |
New & improved
Support for DKIM/ARC verification (Beta)
With this version the ARC (Authenticated Received Chain) was implemented which allows the mail server to trust Email Gateway Security and allow changes to the affected content without producing a fail.

More details on DKIM visit the following page
Anti-Spam/Anti-Phishing diagnostics information added in email processing history
Anti-spam verdict diagnostics is displayed on the UI. This makes it easier to report a false positive/negative verdict towards support.

Save filters in Quarantine view
In Quarantine view a new function has been introduced that allows to save filters. Using filters it is much easier to see relevant emails and helps to categorize them.

Fixed
Failure when upgrading from version 4.7.9 to 5.5.0 or later
From this version upgrade is possible directly from 4.7.9 to any version from 5.5.0 and above
Uploading attachments to MetaDefender Vault not working on Japanese language systems
Due to localization of REST API responses, files could fail to upload to MetaDefender Vault
Incorrect rescan result message displayed in rescan page
In certain scenarios, when multiple MetaDefender Core URL's are configured in a single server profile, the rescan result message could be incorrect (Display 'Unknown error', instead of 'Allowed').
Central Management 7: Actions tab not working
Fix will allow to use Action tab in Central Management version 7
Meeting invitations (.ics files) sometimes incorrectly appear as attachments after sanitization
In certain scenarios meeting invitations (.ics files) could incorrectly be displayed as an attachment after the email content has been sanitized by the Deep CDR engine.
Other
MetaDefender Email Gateway Security Bundle installer deprecated
The bundle product installer has been deprecated and is no longer offered as a download option. Please refer to installation instructions for details how to deploy MetaDefender Email Gateway Security & MetaDefender Core.