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Zimbra 5.0


Available for
windows* mac
linux** unix

mail collaboration webmail mail-server small-business

Download Zimbra
Zimbra is an open source server and client technology for next-generation enterprise messaging and collaboration. Zimbra delivers innovation for both the administrator and the end-user as well as compatibility with existing infrastructure and applications (both open source and proprietary).

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Zimbra is an open source alternative to

Microsoft Exchange Server 2003
Available for: windows mac linux unix java
For messaging and collaboration Microsoft Exchange Server is one of the most used platforms. Together for Microsoft Outlook this is a powerful solution for enterprises of any size. Read more

Zimbra news feed

Xmas in July, Miracle on Thirty-SaaS Street = Apps you want
Hi Zimbra Customers, Partners & Friends, All these Christmas in July! promos have been reminding me about that ?Miracle on 34th Street? scene where the Macy?s Kris Kringle sends a desperate...
NEW Zimbra Patches: 9.0.0 Patch 17 + 8.8.15 Patch 24
Hello Zimbra Friends, Customers & Partners, Zimbra 9.0.0 ?Kepler? Patch 17 and 8.8.15 ?James Prescott Joule? Patch 24 are here. What’s New: Nginx Upgrade from 1.19.0 to 1.20.0 Zimbra 9.0.0...
Zimbra SkillZ: Enhance email confidentiality using MTA-STS
Hi Zimbra Customers, Partners & Friends, Do you want to prevent man-in-the-middle attacks and enhance your email confidentiality? You can with MTA-STS. MTA-STS is short for Mail Transfer Agent...
Zimbra SkillZ: Using Sieve Filters on Zimbra
Hi Zimbra Customers, Partners & Friends, Sieve is a powerful scripting language for filtering incoming email messages. This blog is a short how-to for using sieve filters on Zimbra webmail....

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