MIME types for IMP

[Anil Madhavapeddy]

So, if I have a file called 'word.doc' attachment in a mail, the IMAP
server thinks that it is of MIME type 'application/octet-stream'.  I
know that it is of type 'application/msword', since mime_mapping.php has
this information.

Does anyone have any objections to coercing text/plain and
application/octet-stream into more specific MIME types if they are
available via MIME_Magic ?  And are there any other 'general' MIME types
to which this could apply?

Anil