Specifies the displayable versions of mailbox attribute values.

MailBoxAttributes: array [maNoinferiors..maUnmarked] of String  = ( '\Noinferiors', '\Noselect', '\Marked', '\Unmarked' );

MailBoxAttributes is an Array type that contains the Strings representing each of the values in TIdMailAttributes. MailBoxAttributes is used by an IMAP4 client to get the display version of a mailbox attribute using the corresponding attibute value as an index.