[Dovecot] dovecot mbox to dovecot maildir migration

Michael Blancas mblancas at mozcom.com
Fri Aug 18 03:28:42 EEST 2006

I've already hacked into the mb2md script and creating this file. I
think its dovecot index related, but I don't know how to write this

On 8/18/06, Timo Sirainen <tss at iki.fi> wrote:
> On Fri, 2006-08-18 at 00:05 +0800, Michael Blancas wrote:
> > Hi,
> >
> > I'm migrating accounts from one server with dovecot mbox and pam
> > nss-ldap authentication to a new server with dovecot maildir and mysql
> > auth (no posix accounts).
> >
> > My problem is the pop3 uidl format on the two servers are different,
> > even though I'm using pop3_uidl_format = %08Xu%08Xv in both configs,
> > I'm always re-downloading left messages on my test runs. Is there a
> > way I could reuse the X-UID and X-IMAPbase headers on the converted
> > mails. Issuing the UIDL command via pop3 always give a different
> > result for the mbox and maildir spools.
> >
> > The X-UID and X-IMAPbase headers are present in the converted mails.
> > The first number of X-IMAPbase maps to the mail UIDVALIDITY and the
> > second is the same as X-UID, the mail uid.
> You'll have to make your conversion script create dovecot-uidlist file
> based on the X-IMAPbase and X-UID headers. There could be existing
> scripts to do that, but I'm not sure.

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