I just tried to update my old zarafa installation ( zarafa 6.20 to 6.20.4, z-push 1.2 to 1.2.1, smeserver-zarafa 0.9.0-16 to lastest version.
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I have severe problems :
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* lost all my emails for all users ( except admin, mails in trash are there )
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* outlook crash
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Please provide some informations on how, at least have mails back. I have some affa incremental backups but don't have any idea on how zarafa is storing user data.