No valid and trusted encryption key was found for "%1". Select the key(s) which should be used for this recipient. If there is no suitable key in the list you can also search for external keys.
Non se atopou unha chave de cifrado autentificada para "% 1". Escolla a( s) chave( s) que debería( n) empregarse para este destinatario. Se non hai ningunha chave axeitada na lista tamén pode procurar chaves externas. if in your language something like 'key( s)' is not possible please use the plural in the translation