The services of Exchange

Once upon a time, email servers were engineered and delivered as a single monolithic process. The Information Store process captures the imagination as the single most obvious embodiment of Exchange with its seeming ability to occupy huge amounts of memory, but in reality, the Exchange code base is spread across a series of interconnecting services that collectively deliver all of the product’s functionality. Not all services run on all servers, as some are only required for specific activities. For example, you don’t need to run the Internet Messaging Access Protocol 4 (IMAP4) or Post Office Protocol 3 (POP3) services unless you need to support clients that connect to Exchange using these protocols. Some services have ...

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