I-D ACTION:draft-ietf-vpim-cc-08.txt

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This draft is a work item of the Voice Profile for Internet Mail Working Group of the IETF.

	Title		: Critical Content MIME Parameter
	Author(s)	: E. Burger
	Filename	: draft-ietf-vpim-cc-08.txt
	Pages		: 23
	Date		: 2002-9-26
	
This document describes the use of a mechanism for identifying 
body parts that a sender deems critical in a multi-part Internet 
mail message.  The mechanism described is a parameter to Content-
Disposition, as described by RFC 3204. 
By knowing what parts of a message the sender deems critical, a 
content gateway can intelligently handle multi-part messages when 
providing gateway services to systems of lesser capability.  
Critical content can help a content gateway to decide what parts 
to forward.  It can indicate how hard a gateway should try to 
deliver a body part.  It can help the gateway to pick body parts 
that are safe to silently delete when a system of lesser 
capability receives a message.  In addition, critical content can 
help the gateway chose the notification strategy for the receiving 
system.  Likewise, if the sender expects the destination to do 
some processing on a body part, critical content allows the sender 
to mark body parts that the receiver must process.

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