Environment
Retain 3.x
Exchange Module
Situation
What ports does Microsoft Exchange 2013 use?
Resolution
Microsoft has provided an article that provides information about what network ports Exchange 2013 uses for client and mail flow.
Network ports for clients and mail flow in Exchange 2013
see also What Ports Does Retain Use?
Additional Information
This article was originally published in the GWAVA knowledgebase as article ID 2503.