6 Release Notes

4.7.2 MetaDefender Email Gateway Security release

August 15, 2019

MetaDefender Email Gateway Security 4.7.2 is a maintenance release focusing on fixing a recent Central Management integration issue and on adding some minor improvements.

New & Improved

Uploading partially sanitized archives to MetaDefender Vault

The new option to upload partially sanitize archives to MetaDefender Vault is available in Policy > Security Rules >[Rule name] > Vault.

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Note
This requires the 'Distinguish partial archive sanitization result' option checked in the MetaDefender Core rule used to scan content with. See MetaDefender Core > 3.6.2. Workflow template configuration for more information.

Improved Proactive DLP support

The Proactive DLP support is now improved to support watermarks, metadata removal etc. even when Deep CDR is disabled.

DKIM signature verification

It is now possible to perform DKIM signature verification for emails. Result will be added to each email's header information ( X-Metadefender-Dkim-Result: [Valid/Invalid/None] ).

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OPSWAT Central Management v7 support

You can now configure your MetaDefender Email Gateway Security instances from OPSWAT Central Management v7.

Fixed

SMTP server stability improvements

The SMTP server monitoring and stability has been improved.

Performance improvements

The overall email processing performance has been improved.

SPF IPv6 support

Sender Policy Framework (SPF) now supports lookup for IPv6 addresses.

MetaDefender Vault archive password support

MetaDefender Email Gateway Security will now provide MetaDefender Vault with any archive passwords provided by a user in MetaDefender Email Gateway Security.

Note
MetaDefender Email Gateway Security or MetaDefender Vault does not store any of the provided passwords.

Not scanned emails displayed in dashboard

Any emails not scanned by MetaDefender Email Gateway Security (Policy > Security Rules >[Rule name] > Scan > Allow scan set to false) will be recorded as an allowed email.

Email Alert improvements

The email alerts SMTP RELAY NOT RESPONDING, METADEFENDER CORE NOT RESPONDING , METADEFENDER VAULT NOT RESPONDING are only sent once per unique URL/hour.

Headers content file type mismatch fix

The header content provided to MetaDefender Core is now correctly identified as ASCII text.

Emails delivery uninterrupted in case of unlicensed product

If the MetaDefender Email Gateway Security license expires, emails will still be accepted and forwarded (unscanned & unmodified) according to security rule configuration.

Note
If Email Alert sender & recipient information is provided an alert will also be sent informing the administrator of the licensing issue.

Previous releases

Feature

Maintenance

4.7.0

4.7.1

 

 

4.6.0

4.6.1

4.6.2

 

4.5.0

4.5.1

4.5.2

4.5.3

4.4.0

4.4.1