[Dovecot] IMAP Clients can not see 3rd tier nested IMAP directories

[dovecot]

On 07-12-10 16:37, jjs87 at cornell.edu wrote:
> I have a very bizarre problem that I hope someone can help me with. I 
> am not sure if this is a Dovecot problem, or IMAP client problem.
>
> I recently used Transend's Migrator to move mail from Exchange 2007 to 
> my Dovecot 1.0.7 server. The program seems to have moved the nested 
> IMAP dirs properly as seen below in a directory listing of the maildir 
> dir. The nested dirs have indexes, cur, new dirs as expected.
>
> However, when the account is viewed in Windows Thunderbird 3.1.6 or 
> Outlook 2010 the 3rd tier dirs are not seen, nor can they be 
> subscribed to. On a whim, I decided to try Apple Mail 4.3 to view the 
> account and all the IMAP dirs can be seen and accessed as expected.
>
> Any idea what is going on?  Is this somehow an IMAP client problem 
> (bug) or an issue with Dovecot and these clients?
>
>
> Listing of the Maildir dir:
>
> [root Maildir]# ls -al
> total 92
> drwx------ 17 andrew andrew  4096 Dec  6 17:06 .
> drwx------  9 andrew andrew  4096 Dec  6 15:58 ..
> drwx------  5 andrew andrew  4096 Dec  6 16:31 .mailbox
> drwx------  5 andrew andrew  4096 Dec  6 16:31 .mailbox.mail
> drwx------  5 andrew andrew  4096 Dec  6 16:48 .mailbox.mail.colleagues
> drwx------  5 andrew andrew  4096 Dec  6 17:02 
> .mailbox.mail.colleagues.amy
> drwx------  5 andrew andrew  4096 Dec  6 16:48 
> .mailbox.mail.colleagues.aslan
> drwx------  2 andrew andrew  4096 Dec  6 16:31 cur
> -rw-------  1 andrew andrew   144 Dec  6 16:31 dovecot.index
> -rw-------  1 andrew andrew 10272 Dec  6 16:31 dovecot.index.cache
> -rw-------  1 andrew andrew   128 Dec  6 16:31 dovecot.index.log
> drwx------  2 andrew andrew  4096 Dec  6 16:31 new
> drwx------  5 andrew andrew  4096 Dec  6 16:53 .Sent Items
> -rw-------  1 andrew andrew    32 Dec  6 17:06 subscriptions
> drwx------  2 andrew andrew  4096 Dec  6 16:31 tmp
> drwx------  5 andrew andrew  4096 Dec  6 16:32 .Trash
>
>
> PROBLEM:
>
> When viewed in Thunderbird 3.1.6 or Outlook 2010:
>
> These nested dirs are seen:
> ..mailbox
> ....mail
>
> These nested dirs are NOT seen or can be subscribed:
> ......colleagues
> ........amy
> ........aslan
>
>
> OBSERVATIONS:
>
> When viewed in Apple Mail 4.3, all dirs are seen correctly.
>
> Thank you, I appreciate any and all replies, comments, questions, and 
> suggestions.
> Jason
>
>
seems to work here:

i just create a folder 'test', a subfolder 'test', etc, etc

opensuse:/home/luuk/Maildir # ls -laR | grep test
drwx------  5 luuk users    4096 2010-12-07 16:59 .test
drwx------  5 luuk users    4096 2010-12-07 17:00 .test.test
drwx------  5 luuk users    4096 2010-12-07 16:59 .test.test.test
drwx------  5 luuk users    4096 2010-12-07 17:00 .test.test.test.test
./.test:
./.test/cur:
./.test/new:
./.test/tmp:
./.test.test:
./.test.test/cur:
./.test.test/new:
./.test.test/tmp:
./.test.test.test:
./.test.test.test/cur:
./.test.test.test/new:
./.test.test.test/tmp:
./.test.test.test.test:
./.test.test.test.test/cur:
./.test.test.test.test/new:
./.test.test.test.test/tmp:
opensuse:/home/luuk/Maildir #