Hi all,
I'm building a web forum system on top of Cyrus. Some people apparently want a message editing system, and possibly thread splitting / merging abilities.
For message editing, I think it's okay if the original message is deleted, and then replaced with the edited message contents, via an IMAP post operation, that has the exact same headers as the original message (especially References & In-Reply-To). Is this a more-or-less okay train of thought? I know one of the RFCs says that a Message ID is supposed to be absolutely unique. But for in-place editing, I really don't want to think of the processing load it would take to replace the edited message and also change the In-Reply-To and References headers of all of that message's child messages.
Along the same lines, for message splitting, does Cyrus do its threading by In-Reply-To or References? What about the usual mail clients? Again, I'm trying to figure out whether I can split the message thread by editing one message, or if I have to remove a whole string of References message IDs from all of the split thread's messages.
Any comments or suggestions for handling this?
Thanks!
-- Scott Balmos
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