Mp - Zimbra

You cannot convert a Single-Server to Multi-Server easily. Plan MP from the start.

zmprov gcf zimbraMailPort zmprov gcf zimbraMailSSLPort zimbra mp

(which encompasses Zimbra Multi-Platform infrastructure, the dedicated Mobile Plus extension, and the Modern Mobile Platform applications) represents a powerful enterprise collaboration ecosystem designed to break down device silos. You cannot convert a Single-Server to Multi-Server easily