Christian: what kind of accounts are involved (source/destination). Can you post the filter in question from the filter config file (akonadi_mailfilter_agentrc) and the log? Which duplicate disappears on the refresh (original or dest folder)?
Christian: what kind of accounts are involved (source/ destination) . Can you post the filter in question from the filter config file (akonadi_ mailfilter_ agentrc) and the log? Which duplicate disappears on the refresh (original or dest folder)?