Koozali SME Server 11.0 Release Announcement

posted by Roy Schestowitz on Oct 11, 2026

The Koozali SME Server development team is pleased to announce the 
release of SME Server 11.0 is the next major release of Koozali SME Server.


This release is based on Rocky Linux 8.10
Rocky Linux 8.10 has an EOL of 31 May 2029.


Koozali SME Server 11 represents the next major release of the Koozali 
SME Server project, continuing the tradition of providing a simple, 
robust, and secure server solution. Koozali SME Server 11 continues the 
legacy of a user-friendly server solution for Not for Profits, Small and 
Medium-sized Enterprises and home users. Whether you’re hosting email, 
files, or web apps, this release brings enterprise-grade stability 
without complexity.


Koozali SME Server 11 marks a significant upgrade, transitioning from 
CentOS to Rocky Linux 8 for long-term stability and security. This 
release focuses on modernization, improved hardware support, and 
enhanced administrative tools and maintains the long-used templating 
system that has made SME Server a simple and robust server to manage.


Key Features and Updates in Koozali SME Server 11
--------------------------------------------------------
Base OS Upgrade: Transitioned to Rocky Linux 8.10, replacing CentOS, 
ensuring continued stability and support.
Package Management Enhancements: Integration with the Koji build system 
and Git version control, enabling streamlined RPM package building and 
repository management.


Mail Server Improvements: Introduction of Postfix for mail submission, 
while maintaining Qpsmtpd for final delivery to ensure backward 
compatibility. Qpsmtpd now operates with three separate daemons, each 
with its own configuration, including support for port 587 submission.


Server Manager Overhaul: A new server manager interface has been under 
development using the Mojolicious real-time web framework aiming to 
provide a more modern and user-friendly experience with options for 
alternate themes.


Let's Encrypt Integration: Development of a management panel for Let's 
Encrypt certificates, simplifying SSL certificate management.


Webmail Update: Transition to Roundcube as the default webmail client, 
offering a more contemporary interface and features.


Backup Solutions: Continued support and enhancements for backup tools 
like smeserver-backup and smeserver-flexbackup, ensuring reliable data 
protection.


Network UPS Tools: Server Manager integration of NUT allows management 
of an Uninterruptable Power Supply (UPS) for battery backup or other 
similar power device using a NUT server. Status, notifications and 
configuration for one or more such devices.


Koozali SME Server 11 continues to provide comprehensive server 
functionality out of the box, including:
Gateway and Firewall Services: Industrial-strength communications server 
with optional Internet connection sharing
Email Server: Complete email solution with modern webmail interface
Web Server: Hosting capabilities for websites and web applications with 
the ability to use multiple PHP versions
File and Print Services: Network file sharing and printer management
Database Services: Built-in database server capabilities
Network Services: DHCP, DNS, and other essential network services


This release also provides the basis for the release of an upcoming 
aarch64 release and Koozali SME 12 which is now in development.

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