Gmail Replacement
Zimbra
Evaluation and Testing Intel/AMD 32-bit or 64-bit CPU 1.5 GHz 1 GB RAM 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 CPU 32-bit 2.0 GHZ+. For large deployments (more than 2000 users), 64-bit OS is recommended. Minimum - 2 GB RAM Recommend - 4 GB 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.
General Requirements Firewall Configuration should be set to “No firewall”, and the Security Enhanced Linux (SELinux) should be disabled RAID-5 is not recommended for installations with more than 100 accounts.
Roundcube
IMAP Client
Claros
Tomcat web application
