• Open Source
  • Community
  • Resources
  • Get Help
  • Products
  • Solutions
  • Support
  • Partners
  • Buy
  • Try
<strong>Billions</strong> of <span>messages</span> <strong>Billions</strong> of <span>updates</span> <strong>Billions</strong> of <span>memories</span>

More than 500 million people trust Zimbra to share what matters most.

Billions of messages

Billions of updates

Billions of memories

Built on the open source unified collaboration platform for

Messaging

Social

Sharing

And More

Try Buy Get Help

Delivering more value

135+ countries worldwide

500+ service providers worldwide

1000+ government & financial institutions

200K+ businesses worldwide use Zimbra in the cloud

Learn More

  • Mozilla
  • Comcast
  • Vodafone
  • Titleist
  • Dell
  • Red Hat

"Our activities in the social space are rooted in building relationships. Social destinations were created for this reason - connecting people and providing outlets to share. By maintaining our commitment to building these more personal relationships, we are able to provide our brand fans with an authentic social experience that is focused on connections, discussions and shared experiences." Mike DePaolo, Team Titleist Manager, Titleist

"Zimbra has enabled us to consolidate our hybrid email system into a single email solution. The performance of Zimbra is very good - emails are delivered faster; it supports a wide range of devices, platforms and email types." Pertisth Mankotia, Head of IT, Sheela Foam

"In two years, after buying the Zimbra license and paying for Zimbra support, we were paying less than we were with our legacy vendor. We had successfully achieved 100% ROI." Anand Rao, IT Manager, City of Garden Grove

Gain Insight

Product Announcement

Zimbra Collaboration 8.5

The latest release enables organizations to deliver secure collaboration in today's mobile workforce.

Learn More

New Programs

Learn about our new Support program

Zimbra's expanded support program meets the needs of a global customer and partner base.

Watch Now!

On-Demand Webinar

Know the three critical security questions to ask to reduce your IT risk

This 30-minute on-demand webinar addresses the three critical questions that both service providers and IT organizations should ask when implementing or upgrading an email system. Additionally, learn how Zimbra partner, MailGuard, extends Zimbra’s security functionality to provide even more value.

Watch Now!

Zimbra Twitter

Tweets by @Zimbra

Zimbra Blog

  • November 6, 2014Zimbra Collaboration Updates (8.0.9 & 8.5.1)By Matthew Lewis
  • October 27, 2014Zimbra CFO Named Dallas Business Journal CFO of the Year FinalistBy Matthew Lewis
  • October 22, 2014Think before you share that fileBy Matthew Lewis
  • October 16, 2014POODLE and SSLv3By Matthew Lewis
  • October 10, 2014Here's What Happens When Employees BYODBy Matthew Lewis
  • Visit the Blog

Top Events

  • Event LISA 14 November 9 - 14, 2014

    Zimbra is teaming up with partner, Shadow-Soft to sponsor The LISA conference November 9-14 in Seattle, Washington. Stop by the Zimbra booth for a chance to win a smart watch. Hope to see you there! 

  • Event Librecon 2014 November 11 - 12, 2014

    Zimbra is sponsoring the Librecon 2014 Conference in Bilbao, Spain. Register to be part of the development of business through open source technology, innovation and entrepreneurship. Join us as Brendan Cosgrove, VP of Product Management, and Armando Ramos Garcimartin, IT Advisor at Hola Magazine, present about how Zimbra Collaboration helps Hola increase their productivity with a complete set of collaboration tools while maintaining total control over their company’s security and privacy. And come by the Zimbra booth to meet the team, and learn about our business-class email platform that ensures secure and private communication.

  • View All Events

Products

  • Collaboration
  • Social
  • Sync and Share
  • Platform
  • Try Zimbra

Support

  • Support Offerings
  • Training
  • Expert Services
  • Security Center
  • Support Portal

Company

  • Careers
  • Customers
  • Team
  • Zimbra Contributes
  • News
  • Events

Reseller or Partner

  • Resellers
  • Hosting Providers
  • Technology Partners
  • Become a Partner
  • Partner Login

Quick Links

  • Downloads
  • Documentation
  • Case Studies
  • Resources
  • Licensing
  • Legal

Copyright © 2014 Zimbra, Inc. All rights reserved. Legal Information