NoSpamProxy Server 16.2.0.5171 (September 22, 2026)

NOTE:

Setup blockers have been implemented for the following system configurations:

  • SQL Server Standard/Enterprise editions older than 2019

  • SQL Server Express versions older than 2025

The following changes have been implemented:

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

  • SQL Server Standard and Enterprise editions older than 2019 are no longer supported.

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

  • Starting with version 16.2, the performance counters have been replaced by OpenTelemetry See OpenTelemetry.

  • From version 16.2 onwards, NoSpamProxy supports the current EDI@Energy specifications for the timetable process and implements the required AES-128-GCM encryption for Fahrplan emails.

Planned changes:

  • All versions of NoSpamProxy Server prior to 15.7 will be discontinued on December 31, 2026

  • Windows Server versions older than 2019 will be discontinued on December 31, 2026 From this point onwards, NoSpamProxy Server will no longer be supported on older versions of Windows Server.

  • Support for connections to De-Mail via the Mentana gateway will end on the December 31, 2026

WARNING:

  • An update to versions 16.0, 16.1 and 16.2 is only possible from version 15.7 onwards. 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.

This version contains the following components:

  • NoSpamProxy 16.2.0.5171

  • Management services 16.0

  • Identity Service 1.2.162

  • Recall service 16.0

  • Exchange connector service 16.0

  • Message Tracking Transport service 1.0.30

  • Gateway Role 16.2.0.1857

  • Web  Portal 16.2.0.1857

  • Message Tracking Service 2.0.91

  • Intranet Role 16.2.0.1857

  • WebApp Hosting Service 1.4.11

  • WebApp 1.2.4565.0

  • PowerShell 16.2.0.1857

  • NoSpamProxy Command Center 16.2.0.1857

  • External Process Manager 1.0.1109

New features

NoSpamProxy Protection ATP

Launch of the new NoSpamProxy Protection ATP security module, featuring enhanced protection mechanisms against modern threats.

New ATP components:

  • 45205 32Guards Recall: A retrospective response to threats that are only detected after delivery. Emails can be automatically neutralised, forwarded or reported. It is also possible to make a manual recall via Message Tracking.

  • 45096 32Guards DeepFile Analyzer: In-depth analysis of file attachments for rapid detection of malicious content without sandbox execution.

ATP features are already fully available with NoSpamProxy Server 16.2 and can be tested free of charge until the official launch in October 2026. An extended licence must be requested from the sales team for this purpose.

Other

44739, 44878 The Outlook add-in now supports task pane pinning.

50436 Content Disarm and Reconstruction (CDR) now supports PowerPoint files.

Changed or new templates

New

  • RetrospectiveThreatClassificationWarningProcessingLimitExceeded.cshtml

Modified

  • ConvertMailContentToPdfAttachmentActionPdfHeader.cshtml

  • ConvertOfficeDocumentToPdfPreface.cshtml

  • MalwareScanError.cshtml

  • RetrospectiveThreatClassificationWarning.cshtml

Fixed bugs

42567 Encryption Only: Issues with the outbound SMTP connector following the reset of the ‘EnforceTcpProxyForNonProtectionTenants’ subject flag.

47730 Emails are delivered even if a filter times out.

50524 The ‘Application/json’ file type is recognised by Magika, but not by the user interface.

50660 Configuration synchronisation for troubleshooting is not working.

50746 DNS client: Error resolving the MX record for ‘wbgpat.co.il’.

50854 Templates for automatic replies cannot be selected when configuring the action.

50952 The behaviour of the cryptographic settings is inconsistent between encryption and signing.

51073 It is not possible to log in to NCC without a domain-qualified username.

51129 Logging in using an OpenID device code does not work.

51114 emails were lost because no database connection was available after a restart.

51559 DSNs generated by NoSpamProxy cannot be DKIM-validated (BodyHashMismatch).

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

52291 The POP3 receive connector cannot determine the client ID.

52298 The allocation of large files may stall if file and allocation artefacts are processed simultaneously.

Relevant for Managed Service Providers

47823 ‘Get-NspTenant’ returns ‘unauthenticated’ when a NoSpamProxy API key is used.

49343 PowerShell allows invalid configurations to be created for the corporate email server in provider mode.