Version 5.7.7

New & improved

Header filters

Email Gateway Security now supports email headers (like From, To or Subject) in filtering Security Rules. This way headers in emails can define how an email gets processed (e.g. emails having certain headers can be allowlisted).

For details see Email header conditions.

SMTP rewrite

It is now supported to rewrite the domain part of SMTP sender (MAIL FROM) or SMTP recipient (RCPT TO) email addresses at the time of submitting emails to the SMTP relay. This way emails can be forwarded to alternative domains.

For details see the SMTP sender or recipient rewriting subsection in the Advanced policy settings.

Login banner

Email Gateway Security now supports a customizable banner in the login page.

For details see Login banner.

InSights Threat Intelligence

With MetaDefender Core 5.13.2 —or newer— InSights Threat Intelligence is available (when licensed). This module further improves Email Gateway Security's capabilities against malicious hyperlinks and URLs in email bodies and attachments.

For details see InSights Threat Intelligence.

Fixed

Time-of-click prefix not applied

In certain corner-cases Email Gateway Security was unable to properly process email bodies. As one visible symptom, time-of-click URL reputation check redirects were not applied on these emails.

Quarantine reports not in config export

Quarantine report configuration was missing from exported configuration.

SMTP profile empty after saving rule

After a security rule was saved and the page refreshed, the SMTP profile value was not visible. It instantly became visible again when the SMTP profile dropdown was clicked.

Updated

OpenSSL

OpenSSL was updated to 3.0.16.