Re: [Evolution] Problems with message filtering and automatic expunging

[Adam Tauno Williams <awilliam whitemice org>]

On Fri, 2011-11-25 at 11:07 -0430, Patrick O'Callaghan wrote:
> On 25 November 2011 09:52, Adam Tauno Williams
> <awilliam whitemice org> wrote:
> > I don't think MOVE is the same as DELETE (although they might be the
> > same in IMAP protocol terms) - most clients for a MOVE will do a COPY
> > + EXPUNGE {id}.  So the message will not appear in the source folder
> > as deleted, it will just be gone.

> Actually Evo uses MOVE+DELETE. Deleted messages remain in place until
> expunged, but note that the IMAP EXPUNGE command operates on the
> entire folder, i.e. there is no such thing as EXPUNGE{id}. This is
> where most other MUAs get it wrong IMHO.

That is incorrect.  If the IMAP server advertises the UIDPLUS extensions
[and, AFAIK, virtually all modern IMAP servers do;  Cyrus does,
Groupwise does] then the client can request to expunge only specific
messages [by message UID, if I recall correctly].