This message includes a valid digital signature from a key that you have already accepted. However, you have not yet verified that the key is really owned by the sender.
Mae'r neges hon yn cynnwys llofnod digidol dilys o allwedd rydych chi eisoes wedi'i derbyn. Fodd bynnag, nid ydych wedi gwirio eto bod yr allwedd yn eiddo i'r anfonwr mewn gwirionedd.