To send an end-to-end encrypted message to a recipient, you need to obtain their OpenPGP public key and mark it as accepted.
Airson teachdaireachd le crioptachadh ceann ri cheann a chur gu cuideigin, feumaidh tu an iuchair phoblach OpenPGP aca fhaighinn agus comharradh gun deach gabhail ris.