[BlueOnyx:20687] Re: IMAP subfolders
Gregg K
greggk at gmail.com
Mon Feb 20 15:39:32 -05 2017
> Hi Gregg,
>
> > I have a client who has been trying to do subfolders in IMAP. I
> > searched around and found some old questions regarding this subject,
> > but has anything been done about this more recent? Is there an easier
> > way to accomplish this on BlueOnyx and dovecot?
>
> There are several approaches to this. On a "stock" BlueOnyx and using any
> IMAP client (even RoundCube) you can already create subfolders.
> Pretty much any client supports this. Just create the folder, subscribe to
it (so
> that the email client polls this folder, too) and that's all there is.
>
> > I think from what I read you have to configure dovecot to use
> > something other than mbox. Is that easily accomplished on BlueOnyx
> > without breaking a whole bunch of other things?
>
> Yes, that's the other method. As is we're using "mbox" by default.
> Means: All emails that arrive at their destination in the users local
mailbox
> are appended to the file "mbox". Which Dovecot then connects to.
> Email clients can still take individual emails and move them into
subfolders.
> Or a procmail rule can automatically move them into subfolders. Like the
AV-
> SPAM might do with detected SPAM, which end up in the folder
> "caughtspam".
>
> But you can also switch the storage of emails from the "mbox" to "maildir"
> storage. In which case separate folders are created and emails are stored
as
> individual files. These maildir folders aren't IMAP folders, though.
>
> Dovecot can handle both mbox and maildir format by just changing a line in
> the config file.
>
> To come full circle: You don't need to switch to maildir format to use
IMAP
> folders. That works with both mbox and maildir.
I like the idea of not changing from mbox, but when I'm trying to create a
subfolder it gives me an error such as:
Mailbox doesn't allow inferior mailboxes
So I'm not able to create a subfolder.
Is there some configuration I need to change in dovecot to allow for this?
Thanks.
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