IMAP
As noted at the beginning of the chapter, POP was a good first step to enable people on non-UNIX operating systems to read their UNIX-based email. But as time went on and distributed computing really took off, the deficiencies stood out. The POP server would not keep the read or unread state of messages. Messages would be downloaded to the user's PC and deleted off the server, so when the user moved to another PC, he had to move his mailbox between the two different machines. In this day and age of remote communication, people found that accessing email from home over a modem connection could be painfully slow if there were many messages to download, and they could not access the email folders they created on their work PC from home.
The ...
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