[Dovecot] Switching from mailbox to maildir.. duplicates!

[Sylvain Nemtua]

I'm having the same issue, but only with client using outlook (not
outlook express)

On 5/2/07, Lars Johansen <lars at larsjohansen.org> wrote:
> Hi
>
> We have been running a dovecot server for some time.. users connect with
> pop.
>
> Now this server is going to be substituted with a new one.. before we
> used mbox, but now we will move to maildir!
>
> I have done some testing transfering the mail with the mb2md script, the
> conversion works correctly, but users gets duplicates since they
> selected "keep mail on server"
>
> I have googled for the problem, and set
> pop3_reuse_xuidl=yes
> and
> pop3_uidl_format = %08Xu%08Xv is the same on both servers.. but no luck.
>
> My first tought was to script in an X-UIDL header for each mail that
> was  converted.. but that wont work since the mail already downloaded by
> the client didnt contain that header..
>
> is there anyone that has some experience with this, or knows if its
> possible?
>
> Many Greetings,
>
> Lars Johansen
>
>