Product: CommuniGate SPEC 8.1.0

Release Date: 5 June 2026

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

In this release:

• IMAP: Conditional store functionality added

• SMTP: SMTP smuggling protection added

• SMTP: Sending profiles are now supported

• SMTP: Added per-account Envelope From restrictions (None/Relaxed/Strict) for authenticated mail submissions

• Security: Added an option to add repeat offender IPs to a permanent blacklist automatically

• Security: Multiple updates to Pronto! to address known security vulnerabilities

• General: Admin UI will now display the number of licensed users when the limit is exceeded

• General: Password reset bypass request is now supported when using application-specific passwords

• General: SPF checking is now supported for internal domains

• General: Updated sounds were added to Pronto!

• General: Updated the copyright year

• General: Admin UI help links now point to our updated CommuniGate SPEC documentation

• Bug Fix: Fixed a typo in the admin UI for the “Cipher Strength” setting

• Bug Fix: Fixed an issue that could result in an infinite loading screen when logging into Pronto!

• Bug Fix: Fixed an issue where the copyright years were not updated

• Bug Fix: Fixed an issue with the HTTPA module that could result in a CommuniGate service crash

• Bug Fix: Fixed an issue related to mailing lists that could result in a CommuniGate service crash

  
  

Please Note: CommuniGate SPEC 8.1.x and 8.0.x, as well as 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.