Knowledgebase: Zimbra
Port Requirements for NotifyLink Enterprise Server - Zimbra Installation
Posted by Account Management Team on 29 October 2009 02:59 PM
Port Requirements for NotifyLink Installation can be found in the NotifyLink for Zimbra Pre-Installation Guide 
under Pre-Installation Tasks #8, Port Requirements

Port numbers used for connections with NotifyLink Enterprise Server (NLES) components are well-known default TCP port numbers, but are subject to change within your network.