Exchange Server 2007

Exchange Server 2007 improves security, privacy and efficiency for the program, which is used to manage e-mail and calendars, according to Microsoft.

Forefront Security for Exchange used advanced tools to fight computer viruses, worms and unwanted mass e-mailings called spam, to provide online protections "needed in the world today," according to Thompson.

Test versions of Exchange Server 2007 can be downloaded from Microsoft websites.