NoSpamProxy Server 16.1.0.4923 (August 5, 2026)

NOTE:
  • All versions of NoSpamProxy prior to 15.1.0.1048 have been discontinued since the release of NoSpamProxy Server 16.0.

  • Versions of Microsoft SQL Express older than 2025 are no longer supported.

  • Announcement: All versions of Microsoft SQL Server prior to Microsoft SQL Server 2019 will no longer be supported from NoSpamProxy version 16.2 onwards.

  • Announcement: All versions of Microsoft Windows Server prior to Microsoft Windows Server 2019 will be discontinued on December 31, 2026.

  • Announcement: NoSpamProxy Server has supported OpenTelemetry since version 16. Windows performance counters will be completely replaced by OpenTelemetry in one of the upcoming versions. The exact time will be announced in good time.

 

WARNING:
  • An update to version 16.1 is only possible from version 15.7 and higher. Updating from another version may cause problems.

  • An update to version 16.0 is only possible from version 15.7. Updating from another version may cause problems.

  • An update to version 15.7 is only possible from version 15.1 and higher. Updating from another version may cause problems.

  • An update to version 15.2 or higher is only possible from version 15.1. Updating from another version may cause problems.

See Software archive.

WARNING: Please note that the port allocation has changed with version 15.2. Port 6062 has been added in version 15.2 and is now required. Information on the changes can be found under Port allocation.

Fixed bugs

50660 The synchronisation of the troubleshooting configuration is not working.

51530 The address of the secondary PGP signatory is not used for signature validation.

51784 The Core Antispam Engine service is not applying the proxy configuration.

51826 The verification of the sending email server has been improved. NoSpamProxy now forwards emails exclusively from the permanently assigned Office 365 tenant. Emails incorrectly routed via Exchange Online are consistently rejected.