[kdepim-users] adding maildir files

[Ingo Klöcker]

On Thursday 05 May 2016 00:44:32 Jörg Schaible wrote:
> Ingo Klöcker wrote:
> > On Wednesday 04 May 2016 21:24:01 Johann Rohwer wrote:
> >> There is no nested directory structure on disk and mail
> >> (sub)folders
> >> are indicated by a dot in the filename. I have noticed this before
> >> and it is an incompatibility that prevents simple copying from a
> >> dovecot server to a local akonadi maildir resource. Anyone know the
> >> reason for this difference? The dovecot implementation seems
> >> cleaner.
> > 
> > The reason is simple: Almost 20 years ago, when support for
> > subfolders was added to KMail that's what the developers came up
> > with. Back then Maildir++ probably hadn't been "invented" yet. (The
> > Wikipedia article on Maildir reads "Varshavchik, Sam (1998)
> > Maildir++ and Maildir quotas which has the Maildir++ specification
> > buried within it".)

I forgot that initially KMail used mbox. Support for Maildir was added 
much later, but for obvious reasons we used the same way for storing 
subfolders.


> > Why was this never changed?
> > Reason 1: Backwards compatibility (aka inertia ;-))
> > Reason 2: There never was a compelling enough reason for changing
> > it.
> 
> https://bugs.kde.org/show_bug.cgi?id=294215

Quite frankly, I would close this bug because it describes a completely 
different scenario. Some comments mention Maildir++, but the original 
description is about a nested directory structure.


Regards,
Ingo
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