Web client

• Rich browser-based AJAX interface with application-like features such as drag and drop, tagging and conversation views
• Comprehensive search, including within attachments, and saved search folders
• Share and collaborate any application with peers: inboxes, contacts, calendars, documents and tasks
• Enterprise calendars with shared free-busy times; interoperable with Microsoft Exchange
• Author documents online as well as instant messaging with archiving
• Integrate 3rd party applications as "mash-ups" such as maps, CRM, inventory and package tracking

Administration

• AJAX Admin Console and full Command Line Interface (CLI) to manage ZCS
• Migration wizards for Exchange, Domino, GroupWise, plus standard IMAP migration
• Real-time mailbox backup and restore; native hierarchical storage management (HSM); and high-availability (HA) / clustering
• Cross mailbox discovery and archiving for regulatory compliance
• Integrated Anti-Spam, Anti-Virus, and Directory Services (LDAP, Active Directory)
• Open web service APIs / REST interfaces

Hosted Administration

• Fully supports multi-tenancy and delegated administration for hosting and service providers
• 24 / 7 support, guaranteed uptime
• Rebranding; choose custom domain
• Remote or local authentication option
• Manage user provisioning, Class-of-Service (CoS) in Admin Console

Zimbra Desktop

• Enables offline access to the Zimbra web experience on Mac, PC, and Linux desktops
• Aggregates Yahoo! Mail, Gmail, AOL, Hotmail, and other POP / IMAP accounts
• Sync Yahoo! and Gmail Address Book and Calendar

Other desktops

• Native MAPI synchronization to Outlook 2003 / 2007 with full delegate and offline access
• Native synchronization to Apple desktop applications via Zimbra iSync Connector, plus CalDAV support
• Support for all POP3 / IMAP4 Clients

Mobile

• Native synchronization to BlackBerry handsets via Zimbra Connector for BlackBerry Enterprise Server (BES)
• Native “over-the-air” synchronization to iPhone, Android, Windows Mobile, Palm, and Symbian OS Smartphones
• Over-the-air synchronization on popular J2ME devices like the Motorola RAZR 2
• Access Zimbra email, contacts, calendar on any device with an HTML capable mobile web browser

Platforms

• Browser Support (Advanced Client): Mozilla Firefox, Chrome, Microsoft Internet Explorer, Safari

• Server Operating Systems (Network Edition): Red Hat Enterprise Linux (RHEL), SUSE, Ubuntu LTS, Mac OS X
• 3rd Party Client Support: Mozilla Thunderbird, Microsoft Outlook, Apple Mail, Apple iCal, Apple Address Book, Mozilla Sunbird, Novell Evolution
• Protocol Support: IMAP, POP, XML, HTTP, HTTPS, SOAP, LDAP, MAPI, SIP, VoIP, ActiveSync, iSync, RSS, Atom, iCal, CalDAV, WebDAV (beta)