[Dovecot] Convert plugin

[Timo Sirainen]

On Fri, 2010-07-30 at 12:36 +0200, Egbert wrote:

> So things finally start to work. Only the rename of the /var/mail/<user> 
> directory doesn't work yet. Wrong owner. I made /var/mail owned by 
> vmail:vmail but that is not good. Maybe it should be owned by dovecot. 
> Who is the owner of the convert process?

Convert plugin wants to rename the mail root directory. It won't work
nicely unless you have something like

/var/mail/<user>/mail/

under which all the mailboxes are. Anyway, I'd suggest using
http://dovecot.org/tools/mb2md.pl instead of convert plugin. That'll
preserve stuff better.