

| ● | |
| ● | Group Calendars |
| ● | Address Books |
| ● | Task Management |
| ● | Web document management and authoring. |
| ● | Anti-spam protection |
| ● | Anti-virus protection |
| Web collaboration and productivity | |
| Mail & Address Book Rich, interactive Mail and Address Book functionality using only a web browser |
Calendar Rich, interactive Calendar functionality using only a web browser |
| Basic search Keyword-based search that utilizes a comprehensive server-side index |
Resource/group scheduling Ability to schedule meetings, book resources, and evaluate and manage free/busy information |
| Advanced search Rich "Search Builder" interface for creating and saving advanced, multi-condition searches |
Documents Ability to create rich web-based documents |
| Tags Ability to quickly categorize items by attaching "Tags" with user-defined names and colors |
Tasks and Briefcase Track task progress, priority, and completeness. Conveniently store files in folders instead of as email attachments. |
| Sharing Ability to share contacts, calendars, and documents with internal or external users |
Instant Messaging Send IMs to your immediate peers or to buddies in Interop networks. |
| Administration & TCO | |
| Web/CLI administration Ability to administer the system via web-based interface or comprehensive command line tools. |
Integrated Anti-Spam / Anti-Virus Built in spam and virus scanning (SpamAssassin / ClamAV) with automatic definition updates. Ability to easily plug-in other 3rd party services as desired. |
| Domain-level management | |
| Multi-domain support Ability to create and administer multiple domains in a single deployment |
External client compatibility POP/IMAP Native compatibility with third party POP and IMAP clients |