Along with OS X 10.7, Apple also released OS X Lion Server on Wednesday. The new version of Apple’s server-level operating system is being distributed through the Mac App Store, just like the standard version of Lion, and isn’t available on physical media.
OS X Lion Server
Lion Server includes AFP, SMB and WebDAV support, a built-in email server with SSL, Push notifications and junk mail filtering, iCal server, Address Book Server, iChat Server, Wiki Server, Podcasting publishing support, TIme Machine server support, Xsan, and more. It also offers step-by-step walk-throughs for setting up server features, and includes remote and local administration support.
OS X Lion Server is priced at US$49.99 and requires OS X Lion. It is available for download at Apple’s Mac App Store.