[Dovecot] mbox to maildir migration question and problems, dovecot-1.0.7-7.el5

[Timo Sirainen]

On Wed, 2009-08-26 at 09:21 -0400, Eric Sammons wrote:
> Hi,
> 
> I am trying to assist a customer with a mbox to maildir migration.  I have
> them using the latest and greatest mb2md.pl; the one that support -K,
> -U|-u.  They have seen overwhelming success with this; however, a recent
> mbox introduced a new scenario and the result was that all messages were
> replayed in the client UI.
> 
> The mbox in question had _no_ X-UID tags.  To work-a-round the issue the
> customer performed the following steps.

If there were no X-UID headers, it means the mailbox had never been
opened.

> The customer also noted that after the migration all messages went to
> ~/MailDir/new.
> 
> I would appreciate any thoughts on why this scenario played out the way it
> did?  Is it expected that these messages should reside in ~/MailDir/new?

It's just fine for messages to be in new/ directory. It basically means
they have \Recent flag set, i.e. client hasn't seen them yet.
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