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Go to Account Settings/Server Settings and check the option 'Leave messages on server'. If you forget this all mails will be deleted on the server. There is no 2nd chance!
Empty wastebasket in Courier
...
...
Go to Account Settings/Server Settings and check the option 'Leave messages on server'. If you forget this all mails will be deleted on the server. There is no 2nd chance!
Empty wastebasket in Courier
...