Customer HubChangelog Secure Mail Gateway
Die Seite listet die Änderungen am Secure Mail Gateway (SMG) je Version, die als Docker-Image relution/relution-smg-standalone auf Docker Hub veröffentlicht ist. Installation und Konfiguration beschreibt Secure Mail Gateway installieren →. Die Einträge sind wie im Changelog Relution → nur auf Englisch verfügbar.
Verfügbare Versionen
Aktuell unter latest verfügbare Version: 26.0.7 (Stand 22.10.2026).
Version 26.0.7
2026-10-22
Breaking change with SMG 26.0.7: From SMG version 26.0.7, the Secure Mail Gateway requires additional configuration when the Exchange server is reachable using a private IP address range (RFC 1918 →). See Forwarding to private IP addresses →
Fixes
- Important security fixes and hardening improvements [REL-14324]
- Breaking change with SMG 26.0.7: The Secure Mail Gateway requires additional configuration when the Exchange server is reachable using a private IP address range (RFC 1918 →) [REL-14327]
Version 26.0.6
2026-09-17
Fixes
- Incoming HTTP headers are now correctly treated as case-insensitive in all cases, which avoids potentially duplicated headers in the forwarded request [REL-13556]
Version 26.0.5
2026-08-20
New
- Show more useful info about custom CA certificates added to the trust store [REL-12991]
- Show more useful info when a connection is rejected due to an untrusted server certificate [REL-12991]
- Basic HTTP exchange errors are now also visible when using HTTP/2 [REL-13245]
Updates
- Native headers strategy is now the default [REL-12991]
- Default HTTP post-size limit is now 1 GiB [REL-12991]
- Premature transfer completion is now logged [REL-13245]
- Log Exchange server’s status response code when a message is rejected [REL-13245]
- Logs now show basic activity rather than nothing for successful transfers [REL-13245]
Fixes
- The connection of a transfer that terminates prematurely is properly disposed [REL-13245]
Version 26.0.4
2026-08-04
Updates
- Update code style to fix formatting issues when switching between projects [REL-14911]
- Update publishing process to docker hub to meet latest security requirements [REL-14912]
Version 26.0.3
2026-07-10
Updates
- Support for self-signed certificates and proxy settings [REL-12714]
Version 26.0.2
2026-06-30
Fixes
- Fix wrongly handled 404 responses [REL-12560]
Version 26.0.1
2026-06-17
Updates
- Expose health endpoint [REL-14913]
Version 26.0.0
2026-05-27
New
- First version as a standalone service; the Secure Mail Gateway was previously part of the Relution server [REL-2856]