IMAP4 Protocol Details

Each mailbox can be set to support any client protocol, such as Internet Message Access Protocol version 4 (IMAP4). Follow this procedure to set up IMAP4 client support for a mailbox:
  1. On the Exchange Advanced tab, click Protocol Settings.
  2. Click IMAP4, and then click Settings.
  3. To enable the protocol for this mailbox, select the Enable for mailbox check box. To disable the protocol for this mailbox, click to clear the Enable for mailbox check box.
  4. To use IMAP4 protocol defaults for Multipurpose Internet Mail Extensions (MIME) encoding, default character set, rich-text format, public folders, fast message retrieval, and user delegation, select the Use protocol defaults check box. When selected, all remaining options in the IMAP4 Protocol Details dialog box are unavailable. To use settings other than the default, click to clear the Use protocol defaults check box.

    You can change the following settings when the Use protocol defaults check box is disabled:

  5. Click OK to accept settings.