IMAP IDLE

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In email technology, IDLE is an IMAP feature described in RFC 2177 that allows a client to indicate to the server that it is ready to accept notifications in real time.[1]

Significance

The IDLE feature allows IMAP email users to immediately receive any mailbox changes without having to undertake any action such as clicking on a refresh button, or having the email client automatically and repeatedly ask the server for new messages.[2]

Usage

IMAP4 servers that support IDLE will include the string "IDLE" in the result of their CAPABILITY command. This allows email users to receive near instant notification of a new email.[3]

See also

Notes

  1. ↑ "IMAP4 IDLE command". June 1997. https://www.rfc-editor.org/rfc/rfc2177. 
  2. ↑ "Configuring IMAP IDLE" (in en-US). https://docs.oracle.com/en/industries/communications/messaging-server/8.1/system-admin/configuring-imap-idle1.html. 
  3. ↑ Leiba, Barry (June 1997). "IMAP4 IDLE command". https://datatracker.ietf.org/doc/html/rfc2177.html. 



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