[MlMt] Moving large IMAP folders

[Bill Cole]

On 3 Jan 2014, at 14:04, Benny Kjær Nielsen wrote:

> On 3 Jan 2014, at 17:08, Kee Hinckley wrote:
>
>> Is there in fact an underlying IMAP command to move a folder 
>> hierarchy (as opposed to rename)? Or if I tell MailMate to move a 
>> folder, is it going to copy and delete?
>
> It is going to be copy and delete. Many servers though do that just as 
> efficiently as if it was a move (but not all servers).

Does the IMAP RENAME command not actually work reliably to move folders 
and their children? http://tools.ietf.org/html/rfc3501#section-6.3.5 
seems to say it should.