Yes, you can still read all your post collectively on e-Boks. This requires that you give your permission to our display client. Thereafter, you may view all your mail from public senders and e-Boks collectively.
Therefore, you need not take any action besides giving permission.
Should you wish to read more about how to give permission, you may press here; and if you want to read more about this so-called 'display client', you may press here.