DNS-based Authentication of Named Entities (DANE) - DANE is an Internet standard for enhancing the security of online communications with a DNS-based certificate-authentication protocol that is used for validating server certificates in TLS sessions.
MTA Strict Transport Security (MTA-STS) - Support for MTA Strict Trasport Security allows mail service providers to declare their ability to receive Transport Layer Security (TLS) secure SMTP connections and to specify whether sending SMTP servers should refuse to deliver to MX hosts that do not offer TLS with a trusted server certificate.
Users are unable to log into Quarantine if remote syslog is enabled.
OpenID Connect configuration is not backed up or restored, unless a full backup was used.
Administration policies are not correctly backed up or restored, unless a full backup was used.
In some circumstances, an application error will occur when attempting to view Host Status.
In some circumstances, an application error will occur when attempting to import or upload a file to the Control Center or Quarantine.
10.9.0
What's new in 10.9.0
Key Features
OIDC Support - Support Single-Sign-On authentication for administrators and Quarantine users.
REST API Support - Support for REST API access to query and monitor the email processing events reported to the Message Audit Log as well as host and mail queue status for SMG via your preferred REST tool.
Feature changes and updates
The ability to set the ciphers used for secure control center connections.
The ability to set a policy condition to act on file encryption status.
The ability to collect diagnostics data that includes end user preferences.
The ability to import DKIM certificate files that include CRLF at the end of any lines in the certificate file.
Spam quarantine summary now includes both friendly and unfriendly addresses together.
SMG now provides the ability to delete all stats files with the CLI command, delete statsdata.
Issues addressed with the 10.9.0 release
Outstanding Issues
The Messaging Gateway Install Guide and Release Notes for SMG 10.9.0 have different lists for supported VMWare releases. This will be addressed in future versions of the document. The Release Notes contains of correct list of supported VMWare versions: VMWare ESXi / vSphere 7.0/8.0