[Dovecot] Mail disappearing

[Gregory Bond]

Chris Green wrote:

>Thus a folder called 'holidays' is actually a directory called
>'INBOX.holidays' and a folder called 'holidays/france' is a directory
>called 'INBOX.holidays.france'.  Why any sort of mail server would
>want to construct a folder hierarchy like this I can never understand.
>  
>
IMAP pretty much requires that you can find all the folder names pretty 
quickly.  Having folders stored like this means you can find all folders 
with a single directory scan, without having to walk a whole filesystem 
tree.