You don't need to set your own message ID to create a tree structure, just compare the reply-to against a past message ID. That's what I do for the House of Fusion list archives and it works perfectly.
Michael Dinowitz President: House of Fusion (http://www.houseoffusion.com) Publisher: Fusion Authority (http://www.fusionauthority.com) Adobe Community Expert / Advanced ColdFusion Developer >Messge IDs are essential in order to create a tree structure in a forum >for instance, >I cannot let Java put its own stuff. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~| Create robust enterprise, web RIAs. Upgrade & integrate Adobe Coldfusion MX7 with Flex 2 http://ad.doubleclick.net/clk;56760587;14748456;a?http://www.adobe.com/products/coldfusion/flex2/?sdid=LVNU Archive: http://www.houseoffusion.com/groups/CF-Talk/message.cfm/messageid:264981 Subscription: http://www.houseoffusion.com/groups/CF-Talk/subscribe.cfm Unsubscribe: http://www.houseoffusion.com/cf_lists/unsubscribe.cfm?user=11502.10531.4

