[Bug 310119] New: Problem with Namespace Prefix in Newest Dovecot

[David Baron]

https://bugs.kde.org/show_bug.cgi?id=310119

            Bug ID: 310119
          Severity: normal
           Version: unspecified
          Priority: NOR
          Assignee: kdepim-bugs at kde.org
           Summary: Problem with Namespace Prefix in Newest Dovecot
    Classification: Unclassified
                OS: Linux
          Reporter: d_baron at 012.net.il
          Hardware: Debian unstable
            Status: UNCONFIRMED
         Component: general
           Product: kmail2

Every Dovecot major upgrade is a big problem. Now requires namespace. If the
prefix is left blank for a simple default namespace, the server does not work
complaining up duplicate empty prefix. But that's their bug.

So I enter a prefix. Prefixes are used to navigate namespace trees. Kmail
thinks it is a mail folder and asks the server to open it. Of course, there is
not such folder so the server returns an error. So while the imap account works
100%, every refresh yields and error box:

Error while getting folder information.
Unable to get information about folder ~/mail. The server replied: Mailbox
isn't selectable

Choice to continue or cancel? (Continue or cancel what?)

Error is harmless and non-functional but repeats and repeats -- a royal pain!

Reproducible: Always

Steps to Reproduce:
1. Simply run kmail with (local) imap account
2. Manual or automatic mail check
3. Bingo! Clock either choice and read your mail
Actual Results:  
Error box described above:
Error while getting folder information.
Unable to get information about folder ~/mail. The server replied: Mailbox
isn't selectable

Mail is OK.

Expected Results:  
Normal program operation

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