Shared mailbox visible but not readable

[Kees van Vloten]

On 17-02-2022 18:45, Aki Tuomi wrote:
>> On 17/02/2022 19:34 Kees van Vloten <keesvanvloten at gmail.com> wrote:
>>
>>   
>> After the previous thread, I am now able to see / list the structure of
>> a shared mailbox but cannot see the messages.
>>
>> doveadm acl get -u test2 INBOX
>> ID         Global Rights
>> user=test1        admin create delete expunge insert lookup post read
>> write write-deleted write-seen
>>
>> This issue I am facing is this:
>>    8 NO [CANNOT] Invalid mailbox name 'shared~test2~INBOX': Missing
>> namespace prefix 'shared~test2/INBOX~'
>>
>> The server-side seems to think everything is fine:
>> Feb 17 18:19:46 server dovecot: imap(test1)<982760><wnsM+TnYeNt/AAAB>:
>> Debug: Mailbox shared~test2~INBOX: Mailbox opened because: SELECT
>>
>>
>> But I do not get to see any messages in test2's shared mailbox.
>> How to debug this?
>> Or better: how to fix it :-) ??
>>
>> - Kees
> There is no explicit INBOX, unless you ask for it. The INBOX is shared~test2/
>
> See https://doc.dovecot.org/settings/core/#core_setting-mail_shared_explicit_inbox
>
> Aki

I asked for it, from "dovecot -n":

mail_shared_explicit_inbox = yes
plugin {
     acl_defaults_from_inbox = yes
}

But then again, any folder of the shared user has the same behavior.