Re: [Evolution] Evolution and Gmail

[Ng Oon-Ee <ngoonee gmail com>]

On Sun, 2010-10-31 at 14:42 -0430, Patrick O'Callaghan wrote:
> On Sun, 2010-10-31 at 17:54 +0000, Pete Biggs wrote:
> > Also you should consider the process that is necessary to delete a
> > message under the two schemes - for the Evo/IMAP model all you need to
> > do is a single "mark as deleted" operation over IMAP followed at some
> > later time by an expunge; for the "move to trash" paradigm you need to
> > do a "copy message to folder" (IMAP only has a copy operation), "mark
> > message as deleted in original folder", "expunge original folder".
> > The
> > killer is that the "expunge" operation is a time costly process, but
> > if
> > you don't do the expunge you will be left with lots of messages marked
> > for deletion in the original folder.  It may be OK if you are deleting
> > a
> > single message - but I often delete 100s or 1000s at a time...
>
> +1
>
> To the OP: just to be clear, you can't expunge a single message in IMAP,
> only an entire folder. This means that the paradigm of "delete by moving
> the message to Trash" *cannot* be implemented strictly by any conforming
> IMAP server, since IMAP doesn't have a "move" operation, as Pete says.
> Or to be more precise, it can be done if that's the only form of
> deletion you ever use (because the originating folder is being expunged
> for every deletion). The beauty of the IMAP model is that undeletion
> then becomes trivial: just remove the mark. You don't have to move
> messages around or remember where they originally came from.
>
> poc

Just to add something everyone has neglected to mention so far

http://mail.google.com/support/bin/answer.py?answer=78755