You need to enabled the email encryption and create an 'internal User'. While creating the user, you can select weather you want to 'create' or 'upload' your SMIME and/or OpenPGP keys.
You need to enabled the email encryption and create an 'internal User'. While creating the user, you can select weather you want to 'create' or 'upload' your SMIME and/or OpenPGP keys.