On 2.4.2012, at 19.11, Aleix Dorca wrote: > I recently tried to migrate from Exchange using imapsync. It didn't work > because it complained that dovecot had no namespace capablity. After looking > through Dovecot's config files I found that namespaces could be defined, but > if you did not a 'private' default one was created.
The problem is that Dovecot doesn't advertise NAMESPACE capability before client has logged in. The better solution would be to change imapsync to figure this out automatically. The other solution would be to set in Dovecot: imap_capability = +NAMESPACE