Dovecot seems to open extra namespaces

[Timo Sirainen]

On 29 Nov 2016, at 10.50, Thorsten Hater <thorsten.hater at gmail.com> wrote:
> 
> Dear all,
> 
> I am slightly confused by the following log entries
> 
> ...: imap(...): Debug: Namespace inbox: type=private, prefix=INBOX., sep=.,
> inbox=yes, hidden=no, list=yes, subscriptions=yes location=maildir:~/Maildir
> ...: imap(...): Debug: maildir++: root=~/Maildir, index=, indexpvt=,
> control=, inbox=~/Maildir, alt=

You have a prefix=INBOX. configured.

> ...: imap(...): Debug: Namespace : type=private, prefix=, sep=, inbox=no,
> hidden=yes, list=no, subscriptions=no location=fail::LAYOUT=none
> ...: imap(...): Debug: none: root=, index=, indexpvt=, control=, inbox=,
> alt=

Since you didn't configure an empty-prefix namespace, Dovecot autocreates one for you. It's not actually accessible. Only used for making Dovecot's internal life easier and provide errors if you try to access it.