questa Ricevuta di ritorno attesta

questa Ricevuta di ritorno attesta solamente che il messaggio è stato
visualizzato nel computer del destinatario. Non c'è pertanto alcuna
garanzia che il destinatario abbia letto o compreso il suo contenuto.

結果 (英文) 1:

This receipt confirms only that the message wasdisplayed on the recipient's computer. There is therefore noguarantee that the recipient has read or understood its contents.

結果 (英文) 2:

This Return Receipt only attests that the message was
displayed on the recipient's computer. Therefore there is no
guarantee that the recipient has read or understood the message contents.

結果 (英文) 3:

this return receipt only confirms that the message has beendisplayed in the computer of the receiver. there is therefore noguarantee that the recipient has read or understood its contents.