Mailbox INBOX sync: mailbox_delete failed

[Alex La]

Am 01.10.19 um 11:31 schrieb Sami Ketola:
> 
> 
>> On 1 Oct 2019, at 12.20, Alex La via dovecot <dovecot at dovecot.org> wrote:
>>
>> Hi.
>>
>> When I run the backup I always get this error.
>>
>> ```
>> [root at mail.DOMAIN.com:~]# doveadm -o mail_fsync=never backup -D -R -u
>> office at DOMAIN.com imapc:
>>
>> dsync(office at DOMAIN.com): Info: imapc(imap.mailbox.org:993): Connected to
>> 2001:67c:2050:106::143:199:993 (local 2a01:4f8:c2c:6d05::1:59928)
>>
>> dsync(office at DOMAIN.com): Info: Mailbox deleted: Drafts
>>
>> dsync(office at DOMAIN.com): Error: Mailbox INBOX sync: mailbox_delete failed:
>> INBOX can't be deleted.
>> ```
>>
>> The suggested solution from this mail works, but is this still the best solution
>> for the error above?
> 
> With Maildir yes. Doveadm refuses to delete INBOX.

Okay and with mdbox also?
https://wiki2.dovecot.org/MailboxFormat

Isn't the dbox format the preferred one for long term dovecot usage?

Do the mdbox support also Shared mailboxes, I assume yes as the solution is
based on dovecot's acl.
https://wiki2.dovecot.org/SharedMailboxes/Shared

> Sami

Regards
Alex