About Mac OS X Server 10.5.6
The latest release of Apple”s UNIX server operating system makes it easy for small businesses, workgroups, and enterprises to take full advantage of the benefits of a server. With Mac OS X Server, users can effortlessly share files, schedule meetings and events, exchange instant messages, send and receive mail on the Internet, access the organization”s network remotely, publish podcasts, and host websites, wikis, and blogs.

Learn more about Mac OS X Server.

What’s New in this Version
The 10.5.6 update is recommended for all servers running Leopard Server.  For detailed information about this update, please visit this website

SHA 1 digest: 4aff32ff34ff9a550a24898
108bab56a48512f8f

For explanation of what a SHA1 digest is, please visit this website: About SHA1 digest.

For detailed information on Security Updates, please visit this website: Apple Security Updates.