Zimbra Collaboration – Open Source Edition Choose the Zimbra release and operating system you want to download Zimbra Ending Support for Ubuntu 14.04, Oracle Linux 6 and CentOS/RHEL 6 Ubuntu 14.04, CentOS 6, Red Hat 6 and Oracle 6 have all entered end of life, and Zimbra stopped releasing patches for them as of July 31, 2021. If you are running one of these operating systems, Zimbra Support recomm
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