TIdIMAP4StatusDataItem is an enumerated type that represents the defined attributes that can be used in the IMAP4 STATUS command. TIdIMAP4StatusDataItem can contain one of the following:
- mdMessages - number of messages in the mailbox.
- mdRecent - number of messages with the Recent flag set.
- mdUIDNext - next UID value that will be assigned to a new message in the mailbox.
- mdUIDValidity - The unique identifier validity value of the mailbox.
- mdUnseen - number of messages which do not have the Seen flag set.
An Array of TIdIMAP4StatusDataItem instances is used in TIdIMAP4.StatusMailBox to identify the attributes that should be returned by the IMAP4 STATUS command.