this command will succeed returning the same information as an OPEN command.
+ DLAT (DownLoad ATtachment)
+
+ Similar to OPNA, and with the same calling syntax. The difference is that
+instead of opening a download file for block transfer, this command outputs the
+entire decoded MIME section at once, using a BINARY_FOLLOWS response. This is
+useful for outputting small objects such as calendar items.
+
+
GEXP (Get instant messages)
This is a more sophisticated way of retrieving instant messages than the old