Switching directories from maildir to mbox in kmail 4.14.1

[rhkramer at gmail.com]

On Tuesday, May 21, 2019 03:25:54 AM Martin Steigerwald wrote:
> rhkramer at gmail.com - 21.05.19, 02:39:
> > > > I should add that I've done some googling, and found some
> > > > instructions that seem to imply the when I create a new folder, I
> > > > should get a popup that has a selection for mbox or maildir.
> > > > That doesn't popup on this system.
> > > 
> > > There are three resources for local mail storage:
> > > 
> > > 1. Maildir (default): stores mails in a maildir folder structure.
> > > 
> > > 2. Mbox: Accesses a single mailbox file (good for local mail in
> > > '/var/ spool/mail').
> > > 
> > > 3. Mixedmaildir: allows to decide per folder whether to use maildir
> > > or mbox.
> > > 
> > > I bet the third would show up the popup you mentioned. However it
> > > has
> > > been a long time I last used it.
> > > 
> > > When you create a new user defined resource for receiving (and
> > > storing) mails I believe when you use 'KMail mail folder' (roughly
> > > translated from German) you will get mixedmaildir resource.
> > 
> > Hmm, I have no idea how to create "a new user defined resource for
> > receiving (and storing) mails".  I've tried googling, and, so far,
> > nothing makes sense to me.
> 
> Settings / Setup KMail / Accounts / Add (roughly translated from german
> as my KMail displays in German language). It may be slightly different in
> older versions of KMail (I am using 18.08).

Ahh, thanks, now I understand (mostly).  In the Jessie version of KMail 
(4.14.1), adding a new account ("a new user defined resource for receiving (and 
storing) mails"), choosing KMail mail folder does not seem to give an option 
for a mixedmaildir resource.

There is another option in the same area that mentins mbox file, but it seems 
pretty clear that it is only a means to get mail into kmail from an mbox file.

Aside: I've done some googling, but I can't find something that clearly says 
kmail no longer supports mbox for mail storage -- maybe it is buried in some 
list of changes for some version of kmail

Anyway, it is my tentative conclusion that kmail no longer supports mbox (for 
mail storage) and, in my copious spare time, I'll be looking for a 
replacement.  (That will presumably have the added advantage of not having to 
figure out how to disable akonadi (if that is the current name of the kmail 
indexing program).)

Thanks for your help!