[Dovecot] Dovecot 2.1 mbox + maildir

[Timo Sirainen]

On 30.5.2012, at 19.15, Alan Brown wrote:

> May 30 17:00:31 msslat dovecot: imap(foobar): Error: user foobar: Initialization failed: namespace configuration error: Duplicate namespace prefix: ""

This is because in v2.1 you have two namespaces with prefix="". Most likely because upgrading your RPM installed a new conf.d/15-mailboxes.conf file with namespace inbox {}. You can either remove it or give "inbox" name for the other prefix="" namespace.