Setting up your two-factor authentication on your Apple iMac or Apple iPhone are identical. This will only work on iOS and iMac devices, please see compatibility list in the AppStore for details
SEKURMAIL
Step 1: Download SekurMail on the AppStore
Step 2: Open the App > login to your account
Step 3: Click on the gear icon "Settings"
Step 4: Under "Security"
Click on the slider "Protect with Password"
Step 5: Enter a passcode (This could be any number comboination)
Step 6: Reenter passcode a second time.
Step 7: After you would be able to use your faceID OR Fingerprint reader (device pending)
IF YOU HAVE FACEID
Step 8:You will need to click on the FaceID slider to activate it.