IMAP (Internet Message Access Protocol) manages mail folders by keeping the folders and their contents on the mail server, rather than on the user’s local computer. This means that users can access their mail folders and messages from any device that is connected to the internet.
IMAP allows users to create, rename, and delete mail folders on the mail server, and these changes are reflected on all devices that access the account. When a new message is received, it is stored in the appropriate folder on the server, and all devices synced with the account will display the message in that folder.
IMAP also allows users to move messages between folders on the server, and again, this change will be reflected on all devices. Additionally, IMAP supports server-side filtering, so users can create rules that automatically sort incoming messages into specific folders.
Overall, IMAP’s management of mail folders provides a more flexible and convenient way for users to access their email messages from anywhere, without having to worry about keeping local copies of their messages in sync across multiple devices.