zebNet MailShelf Server runs fast and is light on system resources at the same time so you can even use it well on older servers.

Minimum system requirements

• PC with 1 GHz or higher processor clock speed
• 512 MB RAM
• 50 MB of available hard disk space
• Super VGA (800 x 600) or higher-resolution video adapter and monitor
• Mouse or other pointing device
• Administrator privileges on Microsoft Windows for installation
• An active internet connection for activation

Recommended system requirements

• PC with 1,5 GHz or higher processor clock speed
• 2 GB RAM
• 50 MB of available hard disk space
• Super VGA (1024 x 768) or higher-resolution video adapter and monitor
• Mouse or other pointing device
• Administrator privileges on Microsoft Windows for installation
• An active internet connection for activation

Supported operating systems

• Windows XP SP3 (All editions)
• Windows Vista SP1 or higher (All editions)
• Windows 7 (All editions)
• Windows 8 (All editions)
• Windows 8.1 (All editions)
• Windows 10 (All editions except Windows 10 S and Windows 10 Mobile)
• Windows 11 (All editions)
• Windows Server 2003/R2 (All editions and variants)
• Windows Server 2008/R2 (All editions and variants)
• Windows Server 2012/R2 (All editions and variants)
• Windows Server 2016 (All editions and variants with Desktop Experience)
• Windows Server 2019 (All editions and variants with Desktop Experience)
• Windows Server 2022 (All editions and variants with Desktop Experience)

Note: Itanium-based operating systems are not supported.

Additional Software Requirements

• Microsoft .NET Framework 4
• Microsoft Visual C++ 2010 SP1 Redistributable Package

Note: Any additional software requirement is available completely for free and will automatically be installed during the installation of the application if it's not already present on your computer.

Windows 10 support statement
MailShelf Server is supported by zebNet Ltd on the following editions of Windows 10 – Windows 10 Pro, Windows 10 Education and Windows 10 Enterprise. MailShelf Server is supported on the in-market supported servicing branches of Windows 10 including - Current Branch, Current Branch for Business and the Long-Term Servicing branches.