ZCS Multi-Server Installation Guide
ZCS Multi-Server Installation Guide
Open Source Edition 8.0.6

System Requirements for Zimbra Collaboration Server 8.0 > ZCS System Requirements

ZCS System Requirements
Note: The 8.x series of ZCS will be the last release supported with Ubuntu 10.04 (64-bit). Based on this expectation, we suggest that new Ubuntu systems use Ubuntu 12.04 (64-bit).
ext3 or ext4 file system for Linux deployments
NFS for backup only
NPTL. Native POSIX Thread Library
Sudo. Superuser, required to delegate admins.
libidn. For internationalizing domain names in applications (IDNA)
GMP. GNU Multiple-Precision Library.
End User Computers using
Zimbra Web Client

Note: Other configurations may work.

Zimbra Connector for Outlook - Network Edition only
Zimbra Mobile - Network Edition only
Zimbra Mobile (MobileSync) provides mobile data access to email, calendar, and contacts for users of selected mobile operating system support, including:
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