+ // We're going to make a lot of MSG4 calls, and the preferred MIME type we want is "text/calendar".
+ // The iCalendar standard is mature now, and we are no longer interested in text/x-vcal or application/ics.
+ ctdl_printf(c, "MSGP text/calendar");
+ ctdl_readline(c, buf, sizeof buf);
+
+ // Iterate through our message list.