[Dovecot] Folder name migration when moving from 2.0.x to 2.1.x?

[Timo Sirainen]

On 18.2.2012, at 19.18, Ralf Hildebrandt wrote:

> Feb 18 18:15:40 postamt dovecot: imap(lehnertr): Panic: LIST: Mailbox name not UTF-8: INBOX.Entw�rfe

http://hg.dovecot.org/dovecot-2.1/rev/7d0d76df719f should fix this by removing the invalid entry from subscriptions file (probably broken client added it in some earlier Dovecot version that didn't disallow it).