preserving flags for shared mailbox when migrating from cyrus to dovecot

[Jogi Hofmüller]

Dear all,

Despite all the progress we are making in our attempt to make the
migration as smooth and transparent for our users there are still some
important unsolved issues.  One thing that I can't figure out is how to
preserve a user's flags that s/he has for mail in a shared mailbox.

So far we tried 'doveadm backup -R' as well as the cyrus2dovecot script
from here [1].  Both work well for individual mailboxes but do not
migrate subscriptions for shared mailboxes and -- more importantly --
flags for mail in a shared mailbox.  Reconstructing subscriptions is
quite easy but I have no clue on how to reconstruct a user's flags.

Any hint is greatly appreciated!

[1]  http://cyrus2dovecot.sw.fu-berlin.de/index.html
-- 
j.hofmüller

mur.sat -- a space art project                        http://sat.mur.at/

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