System information

19Chapter 1 Introducing Mac OS X Server
The server provides user and group accounts, shared folders, server-based address
books, shared calendars, instant messaging, and wikis with user portals, web calendars,
and blogs. The ISP doesn’t provide enough email addresses for everyone in the
organization, so the server provides email addresses and mail service.
Mac OS X
Server
DSL
or cable
modem
The Internet
AirPort
Extreme
ISP
Local network
Mac OS X computers iPhone