On Tuesday, December 2, 2003, at 01:00, you wrote:
>> TMDA seems to attach a "Content-Description" to the textual (from the
>> template) portion of confirmation messages, etc.
>>
>> This would normally not be a problem, but we run "RenAttach"
>>
>> http://www.pc-tools.net/unix/renattach/
>>
>> which renames any "file attachments" not meeting a criteria for file
>> extensions.  The attachment of a "Content-Description" makes the text
>> portion into an "attachment", and thus it is renamed, and the
>> content-type is changed to "unknown".

> This is a bug in RenAttach.  The Content-Description header provides a
> textual, human-readable description of a MIME body part, and does not
> otherwise affect the structure or content of the part.  This header is
> optional, but perfectly legal.  See RFC 2045 for more details.

Unfortunately I think its also a "feature" in MS Lookout - if the content
description field contains a filename Lookout uses it as the filename
of the mime attachment if it doesnt find one elsewhere. Great for
getting executables past virus scanners.....

Marcus

-- 
Marcus Williams -- http://www.quintic.co.uk
Quintic Ltd, 39 Newnham Road, Cambridge, UK

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