Can't access maildir with dovecot

[Julien Cubizolles]

Steffen Kaiser <skdovecot at smail.inf.fh-brs.de> writes:

> On Sun, 25 Oct 2015, Julien Cubizolles wrote:
>
>> Date: Sun, 25 Oct 2015 14:50:19 +0100
>> From: Julien Cubizolles <j.cubizolles at free.fr>
>> To: dovecot at dovecot.org
>> Subject: Can't access maildir with dovecot
>> 
>> I'm a total newbie regarding imap servers. I'm trying to set up a
>> Offlineimap/dovecot/Gnus system and Gnus complains that it cannot access
>> the maildir... Here is my setup, put together by copying stuff from
>> around the web without any prior knowledge of these tools...
>>
>> * Offlineimap is setup to use the $HOME/Maildir-free/, using
>>
>>  --8<---------------cut here---------------start------------->8---
>>  preauthtunnel = /usr/lib/dovecot/imap -o mail_location=maildir:$HOME/Maildir-free
>>  --8<---------------cut here---------------end--------------->8---
>>
>>  in the local maildir part of ~/.offlineimaprc.
>>
>> * The Maildir-free maildir has been correctly (I think) populated
>>  with a single "General" folder.
>>
>>  /home/wilk/Maildir-free:
>>  total used in directory 52 available 5502852
>>  drwxrwxr-x   6 wilk wilk  4096 oct.  23 11:10 .
>>  drwx------ 240 wilk wilk 20480 oct.  23 15:06 ..
>>  drwxrwxr-x   2 wilk wilk  4096 oct.  23 11:09 cur
>>  -rw-rw-r--   1 wilk wilk   348 oct.  23 11:10 dovecot.index.log
>>  -rw-rw-r--   1 wilk wilk    51 oct.  23 11:10 dovecot-uidlist
>>  -rw-rw-r--   1 wilk wilk     8 oct.  23 11:09 dovecot-uidvalidity
>>  -r--r--r--   1 wilk wilk     0 oct.  23 11:09 dovecot-uidvalidity.5629f967
>>  drwx------   6 wilk wilk  4096 oct.  23 11:16 General
>
> Maildir++ prefixes all Mailboxes with ".", hence it should read: .General

It should be OfflineIMAP's job to name it that way, right ? I tried
adding "sep = ." to the Remote Repository but it seems it only affects
the subfolders, not the first-level one.

Also I naively renamed the General folder to .General, and dovecot still
can't access it.

Thanks for your help.