[Imap-protocol] IMAP MOVE extension

[Dave Cridland]

On Fri Jun 11 07:54:37 2010, Witold Kręcicki wrote:

> Hello

> I've wrote a draft of a draft of an IMAP protocol extension  

> providing one

> basic (at least to me) feature that is missing. I've searched  

> (roughly)

> through discussions on this mailing list and haven't seen any  

> mentioning or

> proposal of 'move' functionality.


I'm pretty sure it's come up before.

Depending on your server design, this is either very easy, or else  
very hard - of course, since it's optional, it'd seem likely that  
where it's hard it'd not be supported.

One thing that concerns me is that there is no way to undo this  
operation - traditionally, only EXPUNGE and DELETE have been  
irrevocable actions in IMAP, this adds one more.

The way to combat this is to make it merely mark \Deleted the  
original message - except then this eradicates any benefit to the  
command at all for clients. (Since one could either do MOVE/UID  
EXPUNGE, or else COPY+STORE/UID EXPUNGE).

And there has to be very significant advantage for clients, across a  
wide deployment, for most clients to bother implementing it - right  
now, I don't see it.

Dave.
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