14 October 2005 04:15
Internet Draft: Persistent Search Extensions and Virtual Folder to the IMAP Protocol - draft-maes-lemonade-vfolder-00 - S. H. Maes, R. Cromwell , A. Srivastava, Eds. - October 2005 - Expires: April 2006
"Persistent Extensions to the IMAP Protocol (LPSEARCH) defines an extension to the [RFC3501] CREATE command to allow virtual mailboxes to be created which are views of other mailboxes narrowed by search criteria".
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