UPDATE: This issue has been resolved. Please restart MDaemon or Security Gateway.
If you are currently experiencing a disruption with MDaemon or Security Gateway, please disable (uncheck) "Outbreak Protection." We are working with Cyren to fix the issue. MDaemon users can disable this feature via Security | Outbreak Protection.
Security Gateway users can disable this feature via Security | Anti-Spam | Outbreak Protection (be sure to un-check both Anti-Spam Outbreak Protection and Anti-Virus Outbreak Protection).