Unable to authenticate to Outgoing server (SMTP) %S. It does not support authentication (SMTP-AUTH) but you have chosen to use authentication. Please change the 'Authentication method' to 'None' in the 'Account Settings | Outgoing Server (SMTP)' or contact your email service provider for instructions.
Methu dilysu gweinydd Anfon (SMTP) %S. Nid yw'n cynnal dilysiad (SMTP-AUTH) ond rydych wedi dewis dilysu. Newidiwch y 'Dull dilysu' i 'Dim 'yn 'Gosodiadau Cyfrif | Gweinydd Anfon (SMTP)' neu cysylltwch â'ch darparwr e-bost am gyfarwyddid.