Discover why Zimbra is the open source leader in EMail and Collaboration


Connect users to their personal clouds with a smarter mailbox that integrates email, tasks, address book, calendar, files and enterprise applications

Choose multiple deployment options: in a private cloud as a virtual appliance or hosted in a public cloud

Stay connected anywhere on any smartphone or other device with IMAP/POP, CalDAV and CarDAV

Work online or offline with Zimbra Desktop or clients such as Microsoft Outlook using IMAP/POP, CalDAV and CarDAV

Integrate with external directories for authentication, address lists and provisioning



Simplified, task-oriented AJAX Web Administration Console enables anywhere administration

Integrated anti-Spam, antivirus and directory services (LDAP, Active Directory)

Manage end-user features, quotas, storage policies via Class-of-Service (CoS)

Migration Wizards enable customers to rapidly and easily migrate from Microsoft Exchange and Domino environments to Zimbra



Get the same powerful Zimbra experience offline with Zimbra Desktop, the free email client for Windows, Mac or Linux desktops using IMAP/POP, CalDAV and CarDAV

Aggregates Gmail, Yahoo! Mail, AOL, Hotmail and other POP/IMAP accounts

Sync Gmail, Yahoo! Address Book and Calendar




Boost productivity with an innovative, recently enhanced, robust, browser-based interface

New dedicated search tab with common and easy-to-customize filters

Easily send and receive authenticated and encrypted email messages using the OpenPGP Zimlet

Productive document management, check in/out, instant sharing of documents and folders

Calendar wizard finds optimal group meeting times and is interoperable with Microsoft Exchange 2007 / 2010



Synchronization to iOS (iPhone, iPad), Windows and Android-based smart phones and tablets, using IMAP/POP, CalDAV and CarDAV

Rich browser-based experience for Zimbra email, contacts, calendar and files on any xHTML-capable device



Option to deploy as a Zimbra Collaboration Server natively on hardware or virtualized or deployed as a software virtual appliance

AggrDeploy Zimbra on-premises or as a Cloud service from a Zimbra BSP hosting partner

VMware vSphere and KVM Hypervisor fully supported

Salient Features

Mobile Push Mail / Active Sync

Mail Archiving - Archive Server needed separately

Limit Emails Per Hour Per User / Per Domain

Sender Email ID = Authentication Email ID

Speed Control Per Domain to protect Spamming

Audit / Spam / Usage / Deferral & many more automated reports

Bulk Email ID Uploads

Data Migration from any email platform to Zimbra (Separate Paid Activity)

Spam Filtering

MX Failovers

IP Blacklist Management - Incoming & Outgoing

OS Hardening

Full Backup

Incremental Backup

DDOS Attack Protection

Monthly / Bi-Monthly / Daily Mailbox Backup without shutting down zimbra services

Securing port 25 against spamming

SSL Certificate

SMTP Relaying from our servers on behalf of your Zimbra

Distribution List Management & Policy Enablement

Logo / Branding for the customer

Mobile Push Mail / Active Sync

SpamArrest - Premium Gateway Spam Filteration

Video Conferencing

Domain Administrator

No need to worry about your IP's blacklisting

256bit RSA Signing on Email Headers

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