Automatic move to Delta Chat folder only encrypted emails

Feature Proposal
1

Expected behavior

Select “Automatic move to Delta Chat folder” and all the emails DC-DC, encrypted, go in DC folder, while normal emails received with DC client stay in inbox folder.

Actual behavior

Select “Automatic move to Delta Chat folder” and all the emails received with DC are archived in that folder, normal email and DC messages both.

Is it possible?
Do you think it is useful?