Product: CommuniGate SPEC 8.1.2

Release Date: 2 November 2026

Download: https://support.mailspec.com/en/downloads/81-spec

In this release:

• Chronos: Changes to Chronos module default setting(s) (i.e. Delete Messages After), whether cluster-wide, server-wide, or domain-wide, now apply to all accounts immediately, instead of waiting until a user interacts with the account

• macOS: macOS 12 (or earlier) is no longer supported.

• HTTPU: Support for X-Forwarded-For / Forwarded (RFC 7239) is implemented

• General: Updated the list of included Root CA certificates

• Bug Fix: Fixed an issue where messages with attachments from ActiveSync senders could be malformed

• Bug Fix: Fixed an issue where a malformed MIME header could cause ActiveSync to fail on iOS

  
  

Please Note: A bug introduced in the initial build of 8.1.0 could potentially cause the service to crash. If you downloaded/installed 8.1.0 before June 23, 2026, please install 8.1.1.

Please Note: CommuniGate SPEC 8.1.x, 8.0.x, and CommuniGate Pro each require different license keys. If you have any questions regarding the status of your subscription/license, or you would like to request keys, please open a sales ticket here.