Microsoft Exchange Server Enterprise 2003 (25-Client) review:
Microsoft Exchange Server Enterprise 2003 (25-Client) Features:
Computer software (programs)
Email e-mail electronic server programs software
CD
Extensive security and privacy features
For large organizations with multiple storage groups and databases
Flexible configuration; integrated support for mobile devices
Network compression; integration with Outlook 2003
Recover storage groups, databases, or individual mailboxes

Microsoft Exchange Server Enterprise 2003 (25-Client) is the CD-ROM version. The full version can be purchased by clicking on the "CLICK HERE TO ORDER" button below for around  6,499.99USD.