[Dovecot] (Single instance) attachment storage with single-dbox

[Daniel L. Miller]

  On 9/24/2010 11:57 AM, Timo Sirainen wrote:
> Just a note to myself and whoever else cares, should be added to wiki
> once it has its own page about this:
>
> With single-dbox messages can be copied with hard linking. This means
> that there can be multiple files that point to the same attachment file.
> The attachment is now deleted only once the mail file's link count drops
> to zero, so this works fine..
Why is this specific to sdbox?  Does mdbox SIS work differently?
-- 
Daniel