Novell Doc: GroupWise 2012 Administration Guide - Post Office Agent Port Numbers

A.3 Post Office Agent Port Numbers

Protocol	Default Port Number	TCP/UDP	SSL Available?	Description
MTP	7101	TCP	Yes	Message Transfer Protocol Communication between the POA and the MTA Using TCP/IP Links between the Post Office and the Domain
HTTP	7181	TCP	Yes	Hypertext Transfer Protocol POA Web console Section 37.2, Using the POA Web Console
Internal Client/Server	1677	TCP/UDP	Yes	Local communication between the POA and GroupWise clients Section 36.2.1, Using Client/Server Access to the Post Office
External Client/Server	0	TCP/UDP	Yes	External communication between the POA and GroupWise clients (administrator-defined port number) Section 36.3.1, Securing Client/Server Access through an External Proxy Server
IMAP IMAP SSL	143 993	TCP/UDP	No Yes	Internet Message Access Protocol Communication between the POA and IMAP clients such as such as Netscape Mail, Eudora Pro, Microsoft Outlook, and Entourage Section 36.2.3, Supporting IMAP Clients
SOAP	7191	TCP	Yes	Simple Object Access Protocol Communication between the POA and SOAP clients such as Evolution and the Novell Data Synchronizer Connector for GroupWise Section 36.2.4, Supporting SOAP Clients
Calendar Publishing	7171	TCP	No	Calendar Publishing Protocol Communication between the POA and the Calendar Publishing Host Connecting the Calendar Publishing Host to a POA and Section 64.1.2, Changing Post Office Settings
SNMP	161	TCP/UDP	No	Simple Network Management Protocol Communication between the POA and an SNMP management console Section 37.6, Using an SNMP Management Console