No valid and trusted OpenPGP key was found for "%1". Select the key(s) which should be used for this recipient.
No s' ha trobat una clau OpenPGP vàlida i de confiança per a "% 1". Seleccioneu la( es) clau( s) que s' haurà d' emprar per aquest destinatari. if in your language something like 'key( s)' isn' t possible please use the plural in the translation