Place a hardware or software LB (HAProxy, Nginx) in front of proxy servers to distribute client traffic (HTTP/IMAP/POP).
The latest iteration of Zimbra MP (Zimbra 10) introduces a modern, fully React-based UI and improved API gateway. In Zimbra 10 MP deployments, the reverse proxy now uses a new "Proxy Router" that integrates directly with the mailbox node's messaging bus, reducing latency by nearly 30% compared to Zimbra 9.
If you are deploying Zimbra MP today, start with Zimbra 10 to get the modern UI and architectural improvements.
As of early 2026, Zimbra MP has the following known limitations compared to classic ZCS:
Place a hardware or software LB (HAProxy, Nginx) in front of proxy servers to distribute client traffic (HTTP/IMAP/POP).
The latest iteration of Zimbra MP (Zimbra 10) introduces a modern, fully React-based UI and improved API gateway. In Zimbra 10 MP deployments, the reverse proxy now uses a new "Proxy Router" that integrates directly with the mailbox node's messaging bus, reducing latency by nearly 30% compared to Zimbra 9. zimbra mp
If you are deploying Zimbra MP today, start with Zimbra 10 to get the modern UI and architectural improvements. Place a hardware or software LB (HAProxy, Nginx)
As of early 2026, Zimbra MP has the following known limitations compared to classic ZCS: zimbra mp