SmarterMail Build 9540

  • Sunday, 15th February, 2026
  • 00:28am

Build 9540

  • IMPORTANT: [SECURITY] Changed how the command-line is utilized across various areas.
  • Added: [HA] Trusted Senders are now synchronized across a split domain.
  • Added: SmarterMail codebase is now obfuscated.
  • Changed: [HA] [HUB] Improved handling of impersonate and manage node errors when pop-ups are blocked by a browser.
  • Fixed: [HA] [HUB] Impersonating from the accounts grid gives a 401 error.
  • Fixed: [HA] [HUB] When logging into a hub you will sometimes see a `Fetch Error` instead of the server health grid details.
  • Fixed: [HA] An issue where certificates can fail to renew for a cluster.
  • Fixed: [HA] An issue with TypeNameHandling.
  • Fixed: An EWS push notification issue.
  • Fixed: An issue where a user is logged out when opening the Reports area.
  • Fixed: An issue where authenticated users could have the server issue an HTTP request to an arbitrary URL.
  • Fixed: An upgrade from SmarterMail 15.x to latest fails to detect existing XML configuration files.
  • Fixed: Certain HTML messages Do not Render Correctly in Webmail.
  • Fixed: Checking 2FA code is not thread safe.
  • Fixed: External document servers (e.g., Collabora) fail to load files in email attachments but work for File Storage files.
  • Fixed: SmarterMail's EXAMINE implementation does not comply with RFCs (IMAP).
  • Fixed: SmarterMail's EXAMINE implementation for IMAP does not comply with RFCs.
  • Fixed: Successfully used 2fa tokens are not always cleared from memory correctly.
  • Fixed: Successfully used 2FA tokens are not always cleared from memory correctly.
  • Fixed: Users can get logged out of webmail intermittently.
  • Fixed: Using TAB to move cursor when composing new message in webmail is off.
  • Security: [HA] Fixed a potential JSON deserialization issue.
  • Security: Added access restrictions to a system with compromised RSA key.
  • Security: Added the ability for system administrators to add IP restrictions for all APIs.
  • Security: APIs now follow blacklist/whitelist restrictions for all scope levels.
  • Security: Hardened various protocols against complex memory exhaustion issues.
  • Security: Hardened various syncing protocols against complex entity expansion issues.
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