Get a free EMAIL link to download the Zimbra Open Source Edition mail server:
web interface for accessing mailbox
web interface for administrator
built-in antivirus
built-in antispam system
unlimited number of mailboxes
unlimited number of mail domains
Service for receiving additional updates:
access to receive additional updates (fixes for critical vulnerabilities) of the main core of the ZIMBRA OSE mail system for 1 year, but not longer than the official support period
9.0.0 until 30/06/2025 (EOL)
10.0.x until 31/12/2025 (EOL)
10.1.x until 31/12/2026 (EOL)
You can learn more about the capabilities of the ZIMBRA OSE mail system .
If you need to install, configure, maintain ZIMBRA OSE or upgrade an old version to a new one, then you need to go .