Unable to encrypt message. Please check that you have a valid email certificate for each recipient. Please check that the certificates specified in Mail & Newsgroups Account Settings for this mail account are valid and trusted for mail.
Impossibile cryptar le message. Verifica que tu ha un certificato de posta electronic valide pro cata destinatario. Verifica etiam que le certificatos specificate in le parametros de iste conto de posta es valide e de confidentia pro uso in posta electronic.