Bug 176765 - cannot create folders named 'subscriptions'
cannot create folders named 'subscriptions'
Product: Red Hat Enterprise Linux 4
Classification: Red Hat
Component: dovecot (Show other bugs)
i386 Linux
medium Severity high
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Assigned To: Petr Rockai
Depends On:
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Reported: 2006-01-01 18:10 EST by Christophe Dupre
Modified: 2007-11-30 17:07 EST (History)
0 users

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Doc Type: Bug Fix
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Last Closed: 2006-10-04 09:46:55 EDT
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Description Christophe Dupre 2006-01-01 18:10:01 EST
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Description of problem:
Dovecot cannot create a folder named 'subscriptions', at least when working with Maildir-formated mailboxes. 
If one was created using a previous IMAP server (or non-IMAP mean), then dovecot complains that .subscriptions is a directory and doesn't display the folder. 

This seems to be because dovecot expects to use a file named '.subscriptions' to manage folder subscriptions from the client. If a different case is used (say 'Subscriptions') then it works.

This makes it impossible for an end-user to create such a named folder to store his mailing-lists subscriptions information, for example. This is completely un-intuitive from the customer's perspective.

Version-Release number of selected component (if applicable):

How reproducible:

Steps to Reproduce:
1. Configure dovecot to use Maildir mailboxes
2. Use an IMAP client to create a 'subcriptions' folder (I use Thunderbird)
3. request is silently ignored, folder is not created.

Actual Results:  Folder is not created, silently ignored with Thunderbird. 

Expected Results:  Newly created folder with the requested name

Additional info:

I believe that a newer version of dovecot changed the name of the subscriptions file to prevent a conflict.

In our case, we updated a RHEL3 server to RHEL4. The previous installation used Courier-IMAP, now we're migrating to dovecot (better performance, and folders are no longer under INBOX). Many users had a pre-existing 'subscriptions' folder, which prevents dovecot from creating its file. This causes Squirrelmail (and any other IMAP client that uses folder subscriptions) to not display ANY folder.
Comment 3 Petr Rockai 2006-10-04 09:46:55 EDT
This will be addressed in RHEL 5, there is no plan to fix this issue in future 
RHEL 4 updates.

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