Zimbra Collaboration - Features

Administrative Benifits

Lower-Overhead Management

  • Native Hierarchical Storage Management or Information Lifecycle Management (HSM / ILP)
  • Multi-domain support and administration on a single node
  • Online single mailbox restore to point-in-time
  • Online mailbox moves (and backups)
  • Rich, zero footprint, AJAX-based administrator interface (cross browser/OS)
  • Dashboards for real-time system activity
  • Comprehensive command-line tools
  • SOAP APIs for every administrative action

Server and Storage Consolidation

  • Substantial reduction in managed storage - One copy of email & attachments per server (rather than one per user or one per storage group)
  • Substantial increase in the number of users per CPU - Multi-level caching and optimization of underlying system.

Compatibility with Existing Infrastructure

  • Web services – Full API for easy Bi-directional integration with enterprise applications like CRM, ERP, etc…
  • Client - Outlook, Mobile, IMAP, POP, iCalendar, RSS, etc.
  • Directory - Active Directory/LDAP integration, provisioning support
  • Messaging Server - Co-existence and migration tools (including Microsoft Exchange)


  • Web security model - Single sign-on, TLS/SSL, no VPN required
  • Secured attachment opening and HTML rendering
  • SpamAssassin and ClamAV included
  • Compatibility with existing anti-spam/anti-virus (via Postfix & amavisd-new)

Open solution

  • Open source
  • Open formats - One MIME message per file means Zimbra storage is not opaque to sys. admin. or operating system utilities

End-User Benifits

Freedom of Client Choice

  • Browser - Zimbra Ajax client
  • PC Client - Outlook (Online, Offline, Cached Mode), Apple Mail and iCal, Eudora, Evolution, Thunderbird/Sunbird, RSS, etc.
  • Mobile - Wireless devices "over the air" synchronization: Blackberry (via partner solutions), Palm, Nokia, Motorola, Good, PocketPC, etc.

Self-Organizing Mailboxes

  • Powerful, fast search (including messages and attachments)
  • Saved searches across folders
  • Conversation views across folders
  • Filters

Comprehensive Calendaring

  • Group scheduling with free/busy management and controls
  • Multiple calendars per user
  • Calendar delegation and sharing
  • Multi-calendar views
  • Subscribe to external calendars in .ics format

Extensible model for linking message content to external web services and applications (expressable via hover-over and/or click)

  • Intranet - ERP, CRM, Support, Finance, HR, VoIP phone, etc.
  • Internet – Google/Yahoo Maps, Skype, Travel, Package Tracking, etc.

Efficient context switching

  • Quickly view/create calendar appointments while in mail
  • Quickly create/edit contacts while in mail
  • Quickly view sender’s website while in mail

Any Place, Any Machine

  • Rich, zero footprint, AJAX-based end-user interface (cross browser/OS)
  • Security sans VPN
  • Secure, read-only access to attachments without special-purpose client software

Modern collaboration styles/formats

  • RSS/ATOM feeds
  • Tags