Zimbra, a Synacor product, is an enterprise-class email collaboration solution built for the cloud, both public and private. It delivers your mailbox, contacts, calendar, tasks, files and much more on any device: smartphone, tablet or iPad and desktop or laptop computer running Windows, Linux or OS X.


Zimbra Collaboration is an open source messaging and collaboration solution, trusted by over 5,000 companies in 140 countries, powering over 500 million mailboxes worldwide. Zimbra includes complete email, address book, calendar, file-sharing, tasks, chat and video chat, and it can be accessed from the Zimbra Web client, MS Outlook, Mozilla Thunderbird and other standards-based email clients and mobile devices. Zimbra Collaboration is deployment agnostic and can be deployed on-premises, in the cloud or as a hybrid service, enabling customers to select options based on data privacy and security. It is also offered as a Hosted Service by the Zimbra Business Solution Provider Network.


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Read this whitepaper to discover how Zimbra two-factor authentication can improve your security.

Learn why Zimbra is the leading provider of open source email collaboration software in the world.

In this whitepaper, Zimbra introduces postscreen, which is an additional Anti-SPAM strategy.

Learn why over 1,000 Government and Financial institutions rely on the Zimbra ecosystem to protect the security and privacy of their collaboration data.

Organizations are under constant pressure to reduce the TCO (total cost of ownership) of IT (information technology) operations. Learn how Zimbra can reduce your TCO.

This whitepaper describes how Zimbra SSL SNI (Server Name Indication) allows the proxy server to present multiple certificates on the same IPv4 address & TCP port number, allowing multiple secure (HTTPS) domains to be served on the same IP address without using the same multi-SAN certificate.

Zimbra Collaboration is an open source messaging and collaboration solution, trusted by more than 5,000 companies and public sector customers, and over 100 million end users, in over 140 countries.

Zimbra's open source software enables corporations to build technically transparent and, consequently, extremely safe communication solutions.