[Dovecot] dsync convert Maildir -> mdbox, separators in subscriptions file

[Timo Sirainen]

On Thu, 2010-04-08 at 01:27 +0200, Frode Nordahl wrote:
> If I use dsync to convert a users mail stored in Maildir format to
> mdbox format, the subscriptions file in the new mdbox is created using
> the wrong mailbox separator ('.') leading to folders within folders
> not being readable by clients using the subscription feature.

This happens only if you don't have a namespace { separator } set. dsync
now refuses to run in such situation:

dsync(tss): Fatal: Mail locations must use the same virtual mailbox
hierarchy separator (specify separator for the default namespace)