Server roles of Microsoft Exchange Server

Server roles of Microsoft Exchange Server

Exchange Server is role based, and it comes with following server roles:

Mailbox Server

It is the server that hosts public folders and mailboxes.

Client Access Server

It is the server responsible for hosting client protocols like Post Office Protocol 3 (POP3), Internet Message Access Protocol 4 (IMAP4), Secure Hypertext Protocol (HTTPS), Autodiscover Service and Availability Service and Outlook Anywhere. The client access server also hosts the web services.

Unified Messaging Server

This server connects Private Branch Exchange ( PBX) system with Exchange 2010.

Hub Transport Server

It is a mail routeing server which routes mail inside and outside the organisation. The default setting is to route emails within the organisation

Edge Transport Server

This mail routing server present at the perimeter of topology and routes emails into and out of Exchange organisation.