Converting mailboxes to UTF-8

[Артем Перекресний]

2016-07-25 1:08 GMT+03:00 Timo Sirainen <tss at iki.fi>:

> On 23 Jul 2016, at 13:44, Артем Перекресний <kondybas at gmail.com> wrote:
> >
> > Is any proven routine to migrate mailboxes from mUTF-7 to UTF-8 encoding?
>
> For what purpose? By default Dovecot assumes that mailboxes are mUTF-7 on
> filesystem.
>
> > I've try to use doveadm list/mutf7/rename but have been stuck with nested
> > inboxes. Say I have the next structure:
> >
> > INBOX
> > INBOX.жыр
> > INBOX.жыр.ядъ
> >
> > encoded for FS respectively as
> >
> > .INBOX
> > .INBOX.&BDYESwRA-
> > .INBOX.&BDYESwRA-.&BE8ENARK-
> >
> > ​When I've try to rename ​INBOX.жыр with
> >
> > doveadm mailbox rename -u me -s "INBOX.&BDYESwRA-" $(doveadm mailbox
> mutf7
> > -7 "INBOX.&BDYESwRA-")
> >
> > I've get the next:
> >
> > .INBOX
> > .INBOX.жыр
> > .INBOX.жыр.&BE8ENARK-
> >
> > ​Sure when I've try to rename ​.INBOX.жыр.&BE8ENARK- I've get a message
> > that this is not a valid mUTF7-encoded string.
> >
> > So that is the question.
>
> I don't think there's any especially easy way to do that. You'd need to
> write a script that properly goes through the hierarchies and does the
> renaming.
>
>
I've thought doveadm behaviour is more straightforward so I've try  to keep
my sticky hands off  the maildir internals.

Is any traps with renaming/subscription I have to know?