[Bug 283638] New: Sync with IMAP results in "Select failed, server replied: A000023 NO Unkown namespace."

[Michael Holtermann]

https://bugs.kde.org/show_bug.cgi?id=283638

           Summary: Sync with IMAP results in "Select failed, server
                    replied: A000023 NO Unkown namespace."
           Product: kmail2
           Version: 4.7
          Platform: Ubuntu Packages
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: NOR
         Component: folders
        AssignedTo: kdepim-bugs at kde.org
        ReportedBy: linux at michael-holtermann.de


Created an attachment (id=64354)
 --> (http://bugs.kde.org/attachment.cgi?id=64354)
Output from Akonadi Debug Console

Version:           4.7 (using KDE 4.7.1) 
OS:                Linux

After upgrading from Kubuntu 11.04 to 11.10 (latest beta) I've created a new
account and set up KMail2 using my mail account. The account is hosted by
DomainFactory (Germany) using my own domain.

Unfortunately, KMail or Akonadi refuses to load messages. I see the folders,
but on synchronizing I get an error message saying "Select failed, server
replied: A000023 NO Unkown namespace.", the number is counting up.

Wasn't there a "namespace" setting in KMail < 4.7? Where is it gone?

Currently, this issue renders KMail completely unusable.

I'll attach the output of Akonadi Debug Console, please let me know if any
additional information is needed.

Kind regards,
Michael

Reproducible: Always

Steps to Reproduce:
1. Create new IMAP account with kmail
2. Try to synchronize

Actual Results:  
Error message in notifier:
"Select failed, server replied: A000023 NO Unkown namespace."

Expected Results:  
Synchronizing of messages

Version information from apt-cache:
kmail: 4:4.7.2+git111007-0ubuntu1
akonadi-server: 1.6.2-0ubuntu1

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