Sample session

   The following is a transcript of an IMAP4 session.  A long line in
   this sample is broken for editorial clarity.

   S:   * OK IMAP4 Service Ready
   C:   a001 login mrc secret
   S:   a001 OK LOGIN completed
   C:   a002 select inbox
   S:   * 18 EXISTS
   S:   * FLAGS (\Answered \Flagged \Deleted \Seen \Draft)
   S:   * 2 RECENT
   S:   * OK [UNSEEN 17] Message 17 is the first unseen message
   S:   * OK [UIDVALIDITY 3857529045] UIDs valid
   S:   a002 OK [READ-WRITE] SELECT completed
   C:   a003 fetch 12 full
   S:   * 12 FETCH (FLAGS (\Seen) INTERNALDATE "14-Jul-1993 02:44:25 -0700"
         RFC822.SIZE 4282 ENVELOPE ("Wed, 14 Jul 1993 02:23:25 -0700 (PDT)"
         "IMAP4 WG mtg summary and minutes"
         (("Terry Gray" NIL "gray" "cac.washington.edu"))
         (("Terry Gray" NIL "gray" "cac.washington.edu"))
         (("Terry Gray" NIL "gray" "cac.washington.edu"))
         ((NIL NIL "imap" "cac.washington.edu"))
         ((NIL NIL "minutes" "CNRI.Reston.VA.US")
         ("John Klensin" NIL "KLENSIN" "INFOODS.MIT.EDU")) NIL NIL
         "<B27397-0100000@cac.washington.edu>")
          BODY ("TEXT" "PLAIN" ("CHARSET" "US-ASCII") NIL NIL "7BIT" 3028 92))
   S:    a003 OK FETCH completed
   C:    a004 fetch 12 rfc822.header
   S:    * 12 FETCH (RFC822.HEADER {346}
   S:    Date: Wed, 14 Jul 1993 02:23:25 -0700 (PDT)
   S:    From: Terry Gray <gray@cac.washington.edu>
   S:    Subject: IMAP4 WG mtg summary and minutes
   S:    To: imap@cac.washington.edu
   S:    cc: minutes@CNRI.Reston.VA.US, John Klensin <KLENSIN@INFOODS.MIT.EDU>
   S:    Message-Id: <B27397-0100000@cac.washington.edu>
   S:    MIME-Version: 1.0
   S:    Content-Type: TEXT/PLAIN; CHARSET=US-ASCII
   S:
   S:    )
   S:    a004 OK FETCH completed
   C:    a005 store 12 +flags \deleted
   S:    * 12 FETCH (FLAGS (\Seen \Deleted))
   S:    a005 OK +FLAGS completed
   C:    a006 logout
   S:    * BYE IMAP4 server terminating connection
   S:    a006 OK LOGOUT completed