the buyer does not have an email address but can access an email account of a trusted helper (such as a friend or family member), this can be used with their consent
nad oes gan y prynwr gyfeiriad e-bost ond y gall ddefnyddio cyfrif e-bost cynorthwyydd dibynadwy (fel ffrind neu aelod o'r teulu), gellir defnyddio hwn gyda'u caniatâd