OK (file is open)
If the file is successfully opened, OK will be returned, along with the
-size (in bytes) of the file, and (in version 5.00 and above) the time of last
-modification.
+size (in bytes) of the file, the time of last modification (if applicable),
+the filename (if known), and the MIME type of the file (if known).
CLOS (CLOSe the download file)
This command is probably temporary, until we can work some sort of scheduler
into the system. It is implemented in the serv_expire module.
+
+
+
+ MSG4 (read MeSsaGe, mode 4 -- enumerate MIME parts)
+
+ FIX ... do the writeup for this once it's done.
+
+
+
+ OPNA (OPeN Attachment)
+
+ Opens, as a download file, a component of a MIME-encoded message. The two
+parameters which must be passed to this command are the message number and the
+name of the desired section. If the message or section does not exist, an
+appropriate ERROR code will be returned; otherwise, if the open is successful,
+this command will succeed returning the same information as an OPEN command.