[Bug 275567] New: IMAP subfolders messed up after migration from KMail 1

[jem at iki.fi]

https://bugs.kde.org/show_bug.cgi?id=275567

           Summary: IMAP subfolders messed up after migration from KMail 1
           Product: kmail2
           Version: 2.1.0
          Platform: Gentoo Packages
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: NOR
         Component: misc
        AssignedTo: kdepim-bugs at kde.org
        ReportedBy: jem at iki.fi


Version:           2.1.0 (using KDE 4.6.4) 
OS:                Linux

The KMail2 migration tool failed to handle IMAP subfolders properly. They are
visible under INBOX, but show up empty. Refreshing the folders doesn't work
either. In addition, non-ASCII letters in the names are displayed funny, for
example, 'ä' is converted to '&AOQ-' and 'ö' to '&APY-'.

Running akonadiconsole produces error messages like this:
AgentBase(akonadi_imap_resource_0): Select failed, server replied: A000153 NO
Invalid mailbox name: INBOX/Subfolder

Removing the account and then re-creating it fixes the problem, even the folder
names with non-ASCII letters in them.


Reproducible: Didn't try

Steps to Reproduce:
Create subfolders on an IMAP server using KMail 1 (or any MUA), upgrade to
KMail 2 and let the automatic migration tool do its job.

Actual Results:  
Subfolders on the IMAP server are shown empty, and folders with non-ASCII
characters in their names are renamed as described above.

Expected Results:  
I expected the migration tool to do its job properly.

The IMAP server is running Dovecot v2.

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