When requiring end-to-end encryption, messages in one-to-one conversations will not be sent unless they can be encrypted. Received unencrypted messages will not be shown as part of the regular conversation, and not logged either.
Wrth ofyn am amgryptio negeseuon o ben-i-ben, ni fydd negeseuon mewn sgyrsiau un i un yn cael eu hanfon oni bai bod modd eu hamgryptio. Ni fydd negeseuon wedi'u derbyn heb eu hamgryptio yn cael eu dangos fel rhan o'r sgwrs arferol, na'u cofnodi chwaith.