| 摘要 |
<p>An Internet electronic mail system and method using electronic stamps. When the electronic mail (3) will be sent, the addresser buys electronic stamps (2) beforehand from electronic post office (1), and uses the sending mail device (4) with electronic stamps (2) to add digital signature onto the electronic mail (3), and then sends it to the receiving mail device (5); after the receiving mail device (5) received the electronic mail (3), the corresponding information package is extracted from the electronic post office (1) to validate the digital signature. After the validation succeeded, it shows that the electronic mail (3) has passed the authentication of the electronic post office (1).</p> |
