Some common reasons organizations choose Zimbra over Fusemail.com include:
- Free/busy time scheduling
- Delegated sharing and syncing shared resources like calendars and contacts
- Native Mac mail, ical and addressbook sync (Tiger and Leopard)
- Thunderbird drag and drop and sync mail, calendars and contacts
- Mobile device over-the-air (OTA) sync, including iZimbra for the iPhone
The following feature comparison is based on research as of March, 2008. We welcome your comments and suggestions
to improve this table. Please note that we have listed current
features, so this table will change as new features are released. Also
note that this is not a strategic comparison.
|
Features |
01.com Zimbra Hosting |
Exchange Hosting |
|
Recurring Fees |
$4.99/user/mo for Business |
$.99/user/mo (min $10 or $100/mo) |
|
Maximum Number of Mailboxes |
Unlimited. |
Unlimited. |
|
Bring Your Own Domain Names (yourcompany.com) |
 |
 |
|
Domain Admin / User Provisioning & Management |
 |
 |
|
Maximum quota (GB/mailbox) |
Unlimited (Extra fees) |
Unlimited (Extra fees) |
|
Maximum attachment message size (MB) |
50 |
50 |
|
Data Portability (move your data to another solution) |
Open-standards based. |
Proprietary. |
|
Secure LDAP Information Lookup (Mail.app, Outlook, etc.) |
 |
 |
|
24/7 live support for Mac and Windows users |
Included for every person with a mailbox. |
With branding, only for 1 admin. |
|
Mail folder sharing |
 |
Limited. (not delegated) |
|
Secure Chat |
(beta) |
Jabber only (security?) |
|
Off-line access in web-browser |
 |
 |
|
CalDav & WebDav compliant |
 |
 |
|
File sharing (including drag and drop to web!) |
 |
(FTP only) |
|
Task list delegation/sharing |
 |
Sharing only. |
|
Branding - Custom Logo |
Free. |
Limited. Extra fees. |
|
Wiki / Document Sharing |
 |
 |
|
Calendar sharing & delegation |
 |
Sharing only. |
|
Contact sharing & delegation |
 |
Sharing only. |
|
Global Address List (GAL/LDAP) - Company Address Book |
Included. |
Included. |
|
Free/busy checking for group calendaring |
Included. |
 |
|
Resources (IE: conference rooms, projectors) |
 |
 |
|
LDAP - Open/Active Directory Integration |
Built-in, optional. |
API's available. |
|
Instant, Self-Activation/Cancellation |
 |
Activation only. |
|
Advanced, Personal Anti-Spam/Anti-Virus |
Included. Or use your own. |
Included. |
|
Desktop Sync Support (Outlook, Mail, iCal, AddressBook) |
Mac, Linux & Windows. |
Outlook only. |
|
Blackberry OTA sync (email, calendar, contacts) |
Native BES (beta). |
Additional software. |
|
Free iPhone Support |
(IMAP & iZimbra). |
IMAP only. |
|
Windows Mobile & Palm sync (email, calendar, contacts) |
Optional. |
Web browser only. |
|
Web 2.0 Mash-up framework (Zimlets) |
Included. |
Limited. |
|
Web Identities |
Included. (+Sync to Outlook) |
Included. (web-only) |
|
Terms |
Monthly. Cancel anytime. |
Small biz: Monthly. Cancel anytime. Large biz: annual. |
|
Service Level Agreement (SLA) |
99.975% |
99.95% |
|
External POP/IMAP - Email account centralization |
 |
 |
|
Distribution Lists (mailing lists) |
Unlimited & free. |
Unlimited & free. |
|
Aliases |
Unlimited & free. |
Unlimited & free. |
|
Optional "free" version with Ads and no 24/7 support. |
 |
 |
|
Software as a Service (SaaS) |
 |
 |
|
May be redeployed in-house, on your own servers. |
 |
 |
|
Mining user data and other info (see privacy) |
 |
 |
|
Keyboard/navigation short-cuts |
 |
 |
|
Published Road Map |
 |
Limited. |
|
Able to restore deleted message (rollback) |
30 days. |
10 days |
|
SOX Compliance (Archiving & Discovery) |
Optional. Built in! |
Limited archiving only. |
|
Free Trial |
30 days |
7 days |