Easier, Faster, Stronger, Safer, Smarter

Zimbra incorporates several open source projects under one supported and certified application to offer world-class, open source collaboration software consumable for the enterprise

  • Unlimited Mailbox
  • Runs on the Linux Operating System
  • Easy to set up with Web Administration
  • Integrated with AntiVirus and AntiSpam
  • Multi Domain capabilities
  • Mailbox Quota limitation
  • Email
  • Contacts
  • Calendar
  • Tasks
  • Briefcase & Drive
  • Chat
  • SMTP (25, 465 &  587)
  • POP3 (110 & 995)
  • IMAP (143 & 993)
  • Browser: Chrome, Firefox, Safari & IE
  • Desktop: Outlook, Thunderbird, dll
  • Mobile: Android, Iphone, Windows Phone

System Requirements

Evaluation and Testing

  • Intel/AMD 64-bit CPU 1.5 GHz
  • RAM requirements:
    • For single server installations, a minimum of 8GB of RAM is required.
    • For multi-server installations, contact Zimbra sales for recommendations.
  • 5 GB free disk space for software and logs
  • Temp file space for installs and upgrades*
  • Additional disk space for mail storage

Production environments

  • Intel/AMD 2.0 GHZ+ 64-bit CPU
  • RAM requirements:
    • For single server installations, a minimum of 8GB of RAM is required.
    • For multi-server installations, contact Zimbra sales for recommendations.
  • Temp file space for installs and upgrades*
  • 10 GB free disk space for software and logs (SATA or SCSI for performance, and RAID/Mirroring for redundancy)
  • Additional disk space for mail storage
  • Temp files space: The zimbra-store requires 5GB for /opt/zimbra, plus additional space for mail storage. The other nodes require 100MB.

Cloud Platforms

The following Cloud Platforms are supported:

  • Oracle Cloud
  • VMware vCloud Director
  • VMware vCloud Air

Virtualization Platforms

The following hypervisors are supported:

  • VMware vSphere 6.x
  • VMware vSphere 5.x
  • VMware vSphere 4.x
  • XenServer 6.5
  • XenServer 6.2
  • KVM

Operating Systems

The following Operating Systems are supported:

  • Red Hat® Enterprise Linux® 7 (64-bit)
  • CentOS Linux® 7 (64-bit)
  • Red Hat Enterprise Linux 6 (64-bit), patch level 4 or later is required
  • CentOS Linux 6 (64-bit), patch level 4 or later is required
  • Oracle Linux 7.2
  • Oracle Linux 6.6
  • Ubuntu 16.04 LTS Server Edition (64-bit), starting from Zimbra Collaboration 8.7.1 and above
  • Ubuntu 18.04 LTS Server Edition (64-bit), starting from Zimbra Collaboration 8.8.12 and above (Beta)

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