Zimbra hosting is more cost efficient than Exchange hosting:
Use Zimbra on any platform (Windows, Apple, Linux), with any mobile device (BlackBerry, Windows Mobile, flip phones).
The Zimbra online administrator is light, simple to use, and flexible across multiple domains
Full integrated antispam and antivirus capabilities protect your users
Zimbra goes beyond just email, calendar, contact and task sharing. It adds a document center, instant messaging, and a collaborative wiki to the collaboration suite experience.
Zimbra has all the major features of Exchange...and more.
Feature |
Exchange |
Zimbra |
| Calendar/contact, task sharing | Yes | Yes |
| iPhone support | Yes | Yes |
| Blackberry support | Yes | Yes |
| Windows Mobile support | Yes | Yes |
| Outlook 2007 support | Yes | Yes |
| Universal desktop client | No | Yes |
| Apple iSync support | No | Yes |
| Flip phone J2E client | No | Yes |
| Document management | No | Yes |
| Instant messaging | No | Yes |
| Briefcase/wiki | No | Yes |
| SOX compliance out of the box | No | Yes |
| Email grouping | No | Yes |
| Integrated antispam, antivirus | No | Yes |
| Integration with other systems | Marginal | Full SOAP |
| Web Interface | Marginal outside of IE | All major browser supported |