CN102106127B - Internet E-mail System Using Electronic Stamp and Corresponding Method - Google Patents

Abstract

An Internet email system and method using electronic stamps. When sending emails (3), the sender purchases electronic stamps (2) from an electronic post office (1) in advance, and then uses an email sending device (4) to send electronic stamps ( 2) Digitally sign the e-mail (3) before sending it to the mail receiving device (5); when the mail receiving device (5) receives the e-mail (3), it extracts the corresponding information package from the electronic post office (1) To verify the digital signature, after the verification is successful, it means that the email (3) is authenticated by the electronic post office (1).

Description

Internet E-mail System Using Electronic Stamp and Corresponding Method

【Technical field】

The invention relates to electronic mail technology, in particular to an Internet electronic mail system using electronic stamps and a corresponding method.

【Background technique】

With the popularity of the Internet, more and more people use e-mail, especially in business applications. E-mail has almost completely replaced the previous method of using fax machines to transmit data. Due to the high speed of e-mail transmission, communication costs are lower than Faxes are low, and no matter if they are sent to an email server anywhere in the world, there is no need to pay for long-distance calls, so the usage of emails is getting higher and higher. However, since there is no charge for sending emails at present, some people take advantage of this loophole to collect a large number of other people's email addresses from various channels, and then send some commercial advertisements, personal advertisements and even adult information without the user's consent. to these email addresses. Recipients receive these emails and see that they are emails sent to them by unknown people. The content is generally useless advertising information, which is the so-called spam emails, so ordinary users will delete these spam emails. dont see. When receiving a large number of spam emails every day, in addition to taking time to delete spam emails, users may mistakenly delete some important emails as spam emails in a hurry, which seriously affects people's normal life. Communication, how to reduce the impact of spam emails on normal communication is an urgent problem to be solved.

【Content of invention】

The object of the present invention is to provide an Internet email system using electronic stamps and a corresponding method for emails to reduce the impact of junk emails on normal communications.

In the traditional postal service, the sender generally needs to affix an appropriate amount of stamps on the mail as postage, and the post office will deliver the mail to the recipient. Since every mail has to pay postage, even if it is a spam mail, it must be paid. Pay for postage, so it's generally rare to see a lot of spam. The present invention applies the stamping concept of the traditional postal service to e-mails. When sending e-mails, the sender must purchase e-stamps from the e-mail office in advance, and then digitally sign the e-mails with e-stamps before sending them out. The process of digital signature is like affixing a stamp on the envelope as a sign to pay the postage. An e-mail is equivalent to a letter, and digitally signing an e-mail is equivalent to affixing a stamp, so this step is called in this manual. Paste the electronic stamp steps. In this way, after receiving the e-mail, the recipient can know that the postage has been paid for the e-mail from the digital signature information on the e-mail, so it is generally some useful e-mails, and they will give priority to viewing these e-mails The content of the email, and other emails that do not use electronic stamps for digital signatures, are generally filled with a large number of spam emails, and the recipients generally do not need to read them. If the sender hopes that the recipient will not mistake his e-mail as spam, the sender can post the e-mail stamp before sending it to the recipient. Most of the useful emails are sent after the step of posting electronic stamps, and most of the emails that have not been stamped are spam emails. Even if the recipient deletes all emails that have not been stamped , generally without affecting the recipient. If the spam emails are also sent after the step of posting electronic stamps on the spam emails, the spammers will have to pay a considerable cost to buy electronic stamps, that is, they cannot send spam emails arbitrarily and indefinitely, so that Reduce the impact of spam on normal communication.

The object of the present invention is achieved like this, adopt such a kind of Internet email system that adopts electronic stamp, it is characterized in that, described system mainly comprises:

The electronic post office (1) is a server device on the Internet (6);

An electronic stamp (2), issued by an electronic post office (1), wherein the electronic stamp (2) includes a key A (201), a unique key serial number (203) and a randomly generated verification code (204);

email(3);

Sending mail device (4);

Receive mail device (5);

Internet (6);

Wherein, the electronic post office (1) is connected with the mail sending device (4) and the mail receiving device (5) through the Internet (6), and the sender's email (3) is pasted with electronic stamps by the mail sending device (4). Send to recipient's mail receiving device (5) through Internet (6) after the step; Recipient's mail receiving device (5) sends request information to electronic post office (1) through Internet (6), and obtains electronic post office ( 1) After the corresponding information package is sent back, the step of verifying the electronic stamp can be carried out. After the verification is successful, the recipient can open the email (3); the electronic stamp (2) includes denomination data (205) , each time one or more electronic stamps are used when the mailing device (4) carries out the step of affixing electronic stamps.

For realizing the purpose of the present invention, also adopt such a kind of Internet electronic mail method that adopts electronic stamp, adopt system as described above, it is characterized in that, described method comprises that sender sends electronic mail to addressee (3 ), the e-mail device (4) sends the e-mail (3) from the sender to the recipient with the e-stamp (2) and then sends it to the e-mail receiving device (5) of the recipient after carrying out the step of affixing the e-stamp; And, after the recipient's mail receiving device (5) receives the email (3), it sends a request message to the electronic post office (1), and the electronic post office (1) sends back the corresponding email address containing the electronic stamp (2). The information packet of the key B (202) is given to the mail receiving device (5), and then the mail receiving device (5) uses the key B (202) in the information packet to carry out the verification electronic stamp step for the email (3), verifying After success, the original e-mail (3) can be restored, and then the mail receiving device (5) stores the e-mail (3) in the inbox for storing the successfully verified mail, for the recipient to extract and view The email (3).

The purpose of the present invention has just been achieved like this.

The advantage of the present invention is that the electronic post office (1) can control the selling price or quantity of the electronic stamp (2), so that spammers have to pay a considerable price to use the electronic stamp (2) to send junk emails, that is, they cannot be arbitrarily unlimited Distribute spam emails. And the e-mail communication between general people, because the general quantity is not many, so even if the sender will pay to buy the electronic stamp (2), it will not cause economic burden to the sender.

【Description of drawings】

Fig. 1 is the schematic explanatory diagram of the Internet email system that adopts electronic stamp of the first embodiment of the present invention;

Fig. 2 is the schematic explanatory diagram of the step of the Internet email method that adopts electronic stamp of the first embodiment of the present invention;

Fig. 3 is the schematic explanatory diagram of the step of affixing the electronic stamp and the step of verifying the electronic stamp;

Fig. 4 is the schematic explanatory diagram of the Internet email system that adopts electronic stamp of the second embodiment of the present invention;

In the drawings, the same numbers represent the same systems, devices, and components, and the method steps are marked with circled numbers and straight lines with arrows. The accompanying drawings are schematic, used to illustrate the composition of the system and main steps of the method of the present invention.

【detailed description】

The system and method of the present invention will be described in further detail below in conjunction with the accompanying drawings.

Referring to Fig. 1, Fig. 1 is the schematic explanatory diagram of the Internet email system that adopts the electronic stamp of the first embodiment of the present invention, and the system shown in the figure mainly includes:

The electronic post office (1) is a server device on the Internet (6);

An electronic stamp (2), issued by an electronic post office (1);

email(3);

Sending mail device (4);

Receive mail device (5);

Internet (6);

Wherein, the electronic post office (1) is connected with the mail sending device (4) and the mail receiving device (5) through the Internet (6), and the sender's email (3) is pasted with electronic stamps by the mail sending device (4). Send to recipient's mail receiving device (5) through Internet (6) after the step; Recipient's mail receiving device (5) sends request information to electronic post office (1) through Internet (6), and obtains electronic post office ( 1) After the corresponding information package is sent back, the step of verifying the electronic stamp can be carried out. After the verification is successful, the recipient can open the email (3); the electronic stamp (2) includes denomination data (205) , used each time one or more sent mail devices (4) carry out the step of affixing electronic stamps.

Continue to refer to Fig. 1, the electronic post office (1) shown in the figure issues electronic stamp (2) by denomination data (205) charge, after electronic stamp (2) is used, a part of postage of electronic stamp (2) is included in The income account of the electronic post office (1), as the income of the electronic post office, another part of the postage is paid to the recipient of the email (3) using the electronic postage stamp (2).

Continue to refer to Fig. 1, the electronic stamp (2) shown in the figure comprises key A (201), unique key serial number (203), the authentication code (204) that produces randomly, and, described electronic post office (1 ) in response to the request information sent by the recipient's mail receiving device (5) and send back the corresponding information package, so that the recipient's mail receiving device (5) will verify the received email (3) Step, after successful verification, the recipient can open and read the email (3); the information package includes the key B (202) paired with the corresponding electronic stamp (2); the email sending device (4) It can be an email server or a computer or a mobile phone, etc., which can transmit emails; and the mail receiving device (5) can be an email server, a computer, or a mobile phone, etc., which can receive emails. In addition, the verification code (204) is randomly generated by the electronic post office (1), and is mainly used to prevent someone from randomly sending request information to the electronic post office (1), extracting the key B (202) of other people's emails, and interfering with the electronic post office. (1) Operation.

In the present invention, the key A (201) in the electronic stamp (2) and the key B (202) paired with the key A (201) can adopt a pair of key B (202) in the PKI digital certificate. key as Key A (201) and Key B (202), or use some existing encryption and decryption algorithms, such as Data Encryption Standard (DES), Triple Data Encryption Standard (Tri-DES), RSA, one-time password ( One TimePad) etc. as the key A (201) and the key B (202), can well realize the purpose of the present invention, and all belong to the protection scope of the present invention.

Referring to Fig. 2, Fig. 2 is the schematic explanatory diagram of the step of the Internet email method that adopts electronic stamp of the first embodiment of the present invention, and the method shown in the figure comprises that sender sends email to addressee (3) When sending mail device (4) with electronic stamp (2) the email (3) sent by the sender to the recipient is carried out after the electronic stamp step is sent to the recipient's mail receiving device (5); and After receiving the e-mail (3), the recipient's mail receiving device (5) sends a request message to the e-mail office (1), and the e-mail office (1) sends back the password corresponding to the e-stamp (2). The information package of key B (202) is sent to the mail receiving device (5), and then the mail receiving device (5) uses the key B (202) in the information package to verify the electronic stamp step of the email (3), and the verification is successful Afterwards, the original e-mail (3) can be restored, and then the e-mail (3) is stored in the inbox for depositing the successfully verified e-mail by the e-mail receiving device (5), for the recipient to extract and view the e-mail Email (3).

Continue to refer to Fig. 2, the method shown in the figure also comprises following A group of steps, is the step that sender uses electronic stamp method to send email (3) to addressee, and concrete steps are as follows:

A1. Before the sender sends the email (3), he purchases or obtains the electronic stamp (2) from the electronic post office (1) in advance, and stores the electronic stamp (2) in the mail sending device (4);

A2. After the e-mail device (4) sends the e-mail (3) from the sender to the recipient with the e-stamp (2) to carry out the step of pasting the e-stamp, the e-mail that has been pasted through the Internet (6) The e-mail (3) is sent to the mail receiving device (5) of the recipient;

A3. After receiving the e-mail (3) of the step of pasting electronic stamps, the mail receiving device (5) finds the additional key serial number (203) and verification code (204) from the e-mail (3), and receives the mail The device (5) sends a request message for extracting the key B (202) to the electronic post office (1), and the request message includes a key serial number (203) and a verification code (204);

A4. After the electronic post office (1) receives the request information for extracting the key B (202) from the mail receiving device (5), it checks the validity and validity of the electronic stamp (2) corresponding to the key serial number (203) in the request information. The verification code (204) in the request message, after checking the validity of the electronic stamp (2) and the verification code (204), the electronic post office (1) sends back the key corresponding to the key serial number (203) The information package of B (202) is given to the mail receiving device (5), and the electronic post office (1) cancels the electronic stamp (2) and/or key B (202), so that the electronic stamp (2) and/or Key B (202) invalidation can not be used again; Receive mail device (5) after receiving this information packet, use the key B (202) in this information packet to send email (3) received in step A3 Carry out the step of verifying the electronic stamp. After the verification is successful, the original email (3) can be restored, and then the mail receiving device (5) stores the email (3) in the inbox for storing the successfully verified mail , for recipients to retrieve to view the email (3).

Referring to Fig. 3, Fig. 3 is the schematic explanatory diagram of affixing the electronic stamp step and verifying the electronic stamp step, the affixing electronic stamp step shown in the figure comprises sending mail device (4) to use the password of an unused electronic stamp (2) Key A (201) digitally signs the email (3), and attaches the key serial number (203) and verification code (204) of the electronic stamp (2) to the digitally signed email (3), And, the step of verifying the electronic stamp includes that the mail receiving device (5) uses the key B (202) corresponding to the key A (201) to verify the authenticity of the digital signature of the digitally signed email (3) False, and when the verification is successful, it means that the key B (202) and the key A (201) of the electronic stamp (2) are keys that match each other, and the content of the email (3) is digitally signed It has not been tampered with.

Continue to refer to Fig. 3, the sticking electronic stamp step and verifying electronic stamp step shown in the figure can also adopt encryption and decryption mode to carry out, promptly described sticking electronic stamp step comprises sending mail device (4) to use an unused electronic stamp The key A (201) of the stamp (2) encrypts the email (3), and attaches the key serial number (203) and verification code (204) of the electronic stamp (2) to the encrypted email ( 3), and, the step of verifying the electronic stamp includes that the mail receiving device (5) uses the key B (202) corresponding to the key A (201) to decrypt and restore the encrypted email (3) to The original unencrypted email (3), and when the decryption succeeds, that is, the verification succeeds, it means that the key B (202) and the key A (201) of the electronic stamp (2) are mutually matching keys. Regardless of adopting a digital signature method or an encryption and decryption method to carry out the step of affixing the electronic stamp and verifying the electronic stamp, the object of the present invention can be well achieved, and all belong to the protection scope of the present invention.

In addition, when the general e-mail (3) is sent, the sender uses a device such as a computer or mobile phone with Internet access to transmit the e-mail (3) to the sender's e-mail server through the Internet (6), and then the sender The recipient's email server transmits to the recipient's email server through the Internet (6), and then the recipient uses a device such as a computer or mobile phone with Internet access to extract the email from the recipient's email server through the Internet (6) ( 3), so that the e-mail (3) is finally transmitted to the recipient's computer or mobile phone and other devices for the recipient to check. In the present invention, the step of affixing the electronic stamp can be carried out in the sender using a device such as a computer or mobile phone with Internet access, or in the sender's email server, and the step of verifying the electronic stamp can be performed in the recipient's It can be done on a device such as a computer or mobile phone with Internet access, or it can be done on the recipient's email server. In this specification, the device performing the step of affixing the electronic stamp is called the mail sending device (4), and the device performing the step of verifying the electronic stamp is called the mail receiving device (5).

In order to make the description of this manual more clear and easy to read, in this manual, the description of some devices in both parties of sending and receiving emails is omitted, and only the parts of sending mail device (4) and mail receiving device (5) are written. When sending e-mail device (4) for example is device such as sender's computer or mobile phone, e-mail (3) is to carry out the electronic stamp step in sending e-mail device (4), and sender's e-mail server is only responsible for The e-mail (3) carrying out the step of affixing the electronic stamp is forwarded to the recipient's e-mail server, and the description of the sender's e-mail server is omitted in this manual. For example, when sending mail device (4) is the sender's email server, email (3) is to carry out the electronic stamp step in sending mail device (4) that is, the sender's email server, and the sender uses a computer or Devices such as mobile phones are only responsible for transmitting the e-mail (3) to the e-mail device (4). In this manual, the description of the devices such as computers or mobile phones used by the sender is omitted. For example, when the mail receiving device (5) is a recipient's computer or mobile phone, etc., the email (3) is to verify the electronic stamp step in the mail receiving device (5), and the recipient's email server is only responsible for receiving the email from the recipient. For the e-mail (3) sent by the sender's e-mail server, the description of the recipient's e-mail server is omitted in this manual. For example, when the mail receiving device (5) is the recipient's email server, the electronic mail (3) is to verify the electronic stamp step in the mail receiving device (5), that is, the recipient's email server, and the recipient uses a computer or Devices such as mobile phones are only responsible for extracting emails (3) from the mail receiving device (5) for the recipient to check, and the description of the computer or mobile phone used by the recipient is omitted in this manual. In the description of the e-mail (3) transmitted from the e-mail device (4) to the e-mail device (5) in this manual, even if there is no description of the part of the device and related steps of the recipient in the above omission and the sending Some of the devices and related steps on the other side are actually the contents of the devices and related steps that have included these omitted parts.

Continue to refer to Fig. 1 to Fig. 3, be provided with sending and receiving e-mail program in the sending mail device (4) shown in the figure, described sending and receiving e-mail program when sending e-mail device (4) sends e-mail (3), uses An unused electronic stamp (2) will send the email (3) to carry out the step of pasting the electronic stamp, and then send the email (3) of the step of pasting the electronic stamp to the receiver through the Internet (6) Mail device (5).

Continue to refer to Fig. 1 to Fig. 3, be provided with sending and receiving e-mail program in the mail receiving device (5) shown in the figure, described sending and receiving e-mail program receives the message of pasting electronic stamp step in receiving mail device (5) When emailing (3), send a request message to the electronic post office (1), and the electronic post office (1) sends back the key corresponding to the electronic stamp (2) that contains the electronic stamp (2) used when the electronic stamp is attached to the email (3) The information packet of B (202) is given to the mail receiving device (5), and then the mail receiving device (5) uses the key B (202) in the information packet to verify the electronic stamp step of the email (3), after the verification is successful The original email (3) can be restored, and then the mail receiving device (5) stores the email (3) in the inbox for depositing verified successful emails, for the recipient to extract and check the email. mail (3), and, when the e-mail program receives and does not use the electronic stamp (2) to carry out the e-mail (3) of the electronic stamp step, the e-mail program stores the e-mail (3) according to a predetermined procedure Inside the folder used for other email.

In terms of settings, electronic post offices (1) can be set up in different regions according to needs, or only one electronic post office (1) can be set up for the whole world. For example, the domain name of electronic post office (1) can be epostcenter.org, and each The sender can open an account with the e-mail office (1) and register his credit card account or bank account to pay for the purchase of e-stamps (2), so that the sender can use the send mail before sending the e-mail (3). The device (4) is connected to the electronic post office (1) to purchase electronic stamps (2), or the email sending and receiving program in the mail sending device (4) is automatically connected to the electronic post office (1) before sending the email (3). ) to purchase e-stamps (2), and then use the purchased e-stamps (2) to post e-mails (3), and the cost of purchasing e-stamps (2) will be charged to the sender’s registered credit card account or bank account payment. Electronic post offices (1) can also set up outlets for distributing electronic stamps (2), for example, counters for selling electronic stamps (2) are set up in some traditional post offices, senders can use cash to purchase electronic stamps (2) at these counters, Then electronic stamps (2) are stored in some portable storage media for use when sending emails (3).

Referring to Fig. 4, Fig. 4 is the schematic explanatory diagram of the Internet email system that adopts electronic postage stamp of the second embodiment of the present invention, compared with the first embodiment, the main difference is that the electronic post office (1) of the present embodiment It is a further improvement of the present invention to increase the postage data (7) for recording each recipient. Continuing to refer to Fig. 4, the electronic post office (1) shown in the figure is provided with postage information (7) of each recipient for each sender to check.

In addition, in the request information sent by the mail receiving device (5) to the electronic post office (1) to extract the key B (202), the request information includes the recipient's account information, key serial number (203) and verification key B (202). code (204), and, after the electronic post office (1) receives the request message sent by the mail receiving device (5), the electronic post office (1) will check the key serial number (203) corresponding to the electronic stamp (2) Validity and verification code (204), only after checking the validity of the electronic stamp (2) and the verification code (204) are correct, the electronic post office (1) will contain the corresponding key number (203) Key B (202) and denomination data (205) information package is sent to the mail receiving device (5), and then the electronic post office (1) will cancel the electronic stamp (2) and/or key B (202), The electronic stamp (2) and/or key B (202) is invalidated.

Continuing to refer to Fig. 4, the e-mail sending and receiving program in the sending e-mail device (4) shown in the figure is when sending e-mail (3), uses the e-mail ( 3) Carry out the step of pasting electronic stamps, and then send the e-mail (3) that has undergone the step of pasting electronic stamps to the recipient's mail receiving device (5) through the Internet (6). And, the e-mail sending and receiving program in the mail receiving device (5) shown in the figure sends a request to the electronic post office (1) when the mail receiving device (5) receives the electronic mail (3) that has carried out the step of pasting electronic stamps Information is sent back by the electronic post office (1) to include the information package of the key B (202) and denomination data (205) corresponding to all the electronic stamps (2) used when the electronic mail (3) is used to stick the electronic stamp step , and then use each key B (202) in the information package one by one to verify the e-stamp step for the email (3). The amount shown in the denomination data (205) is added to calculate the paid postage, and then the e-mail (3) is classified and stored in different receiving folders according to the amount of the paid postage.

In the second embodiment, the electronic post office (1) can issue electronic stamps (2) of different denominations, and the sender can check the recipient's requirements on the electronic post office (1) website before sending the email (3). postage, and purchase electronic stamps (2) of sufficient amount from the electronic post office (1), and then use these electronic stamps (2) to carry out one or more steps of attaching electronic stamps to emails (3) until the emails (3) Paste the electronic postage stamp (2) of sufficient amount just to deliver to the recipient; In regard to the recipient, the recipient can classify the electronic mail (3) by the amount of postage paid, and the mail receiving device (5) ) Store the email (3) in different inboxes according to the amount of postage paid, so that the recipient can only see emails with the amount of postage paid higher than or equal to the amount set by the recipient Mail (3), you can also take time to check some emails (3) whose postage is lower than the amount set by the recipient when you have free time. In addition, since the recipient can set his own postage information (7) at the electronic post office (1), the recipient can choose to set a suitable amount of postage information (7) according to his own needs, such as some ordinary users , as long as you set a relatively low amount of postage information (7), it is enough to fight spam emails, and some social celebrities can set a relatively high amount of postage information (7), so as not to receive too many unwanted emails e-mail. In this way, famous people in the society can disclose their email addresses, and even if they disclose their email addresses, it is believed that spammers will not be willing to pay to send spam emails to them.

A further improvement of the second embodiment of the present invention is that when the recipient's mail receiving device (5) receives the email (3) that has carried out the step of pasting electronic stamps, the electronic post office (1) will send the email (3) ) of the paid postage is deposited into the recipient's account, that is, the electronic post office (1) receives the request message and checks the validity of the electronic stamp (2) corresponding to the key serial number (203) in the request message After both of the verification code (204) are correct, the information packet containing the corresponding key B (202) and denomination data (205) of the key serial number (203) is sent back to the mail receiving device (5), and then the electronic post office (1) Deposit part of the amount shown in the denomination data (205) into the account of the account data in the request message. For example, the face value of an electronic stamp (2) is 1 yuan, and the sender will pay 1 yuan to the electronic post office (1) when purchasing this electronic stamp (2), and then use the electronic stamp (2) to send the email (3) After carrying out the step of pasting the electronic stamp, it is sent to the recipient through the Internet (6). After receiving the email (3), the mail receiving device (5) extracts the corresponding key B (202) from the electronic post office (1) to This electronic mail (3) carries out verification electronic stamp step, and electronic post office (1) after receiving mail device (5) extracts key B (202), will receive 1 yuan of postage after deducting handling fee 1 cent of balance 9 C. is credited to the recipient's account.

In addition, the electronic post office (1) can also transmit the advertisement information to the recipient, that is, the information package also includes advertisement information, which can further increase the income of the electronic post office (1), when the electronic post office ( 1) After receiving the request information and checking the validity of the electronic stamp (2) corresponding to the key serial number (203) and the verification code (204) in the request information are correct, it will contain the key serial number (203) corresponding The key B (202) and denomination data (205) and the packet of advertisement information are sent to the mail receiving device (5), and then the electronic post office (1) part of the amount shown in the denomination data (205) Deposit to the account of the account information in the request information.

Furthermore, the electronic post office (1) can add confirmation information to the content of the advertisement information to ensure that the recipient has seen the advertisement information before depositing part of the postage of the electronic stamp (2) into the recipient's account, that is, in the above-mentioned After the electronic post office (1) receives the request information and checks the validity and verification code (204) of the electronic stamp (2) corresponding to the key serial number (203) in the request information, it will contain the key serial number ( 203) The corresponding key B (202) and the denomination data (205) and the information packets including the advertisement information of confirmation information etc. are sent to the mail receiving device (5), and the addressee sees the mail from the mail receiving device (5) After the advertisement information in the information packet, the confirmation information of the advertisement information content is transmitted to the electronic post office (1) by the mail receiving device (5) and the Internet (6), and the electronic post office (1) sends the denomination information after receiving the confirmation information. Part of the amount shown in the value data (205) is deposited into the account of the account data in the request information. The advantage of this embodiment is that the electronic post office (1) can charge the advertiser a service fee according to the quantity of the advertisement information that the recipient has seen, if the recipient does not read the advertisement information, the electronic post office (1) can save the original cost Part of the postage allocated to the recipient can further increase the income of the electronic post office (1), and for the advertiser, it is guaranteed that the user only needs to pay for the advertisement after seeing the advertisement.

Although the present invention has been described with the above-mentioned embodiments, the present invention is not limited thereto, and various changes and changes can be made without departing from the spirit of the present invention and the scope of the appended claims, and all can be well To achieve the purpose of the present invention, all belong to the protection scope of the present invention.

The Internet email system and corresponding method using electronic stamps of the present invention can effectively reduce the influence of spam emails, and its implementation will bring huge and good economic and social benefits.

Claims (15)

1. the internet e-mail system using e-stamp, it is characterised in that described system specifically includes that

Electronic post office (1), is the server unit on the Internet (6)；

E-stamp (2), is issued by electronic post office (1), and wherein this e-stamp (2) includes key A (201), unique Key Sequence Number (203) and random product Raw identifying code (204)；

Email (3)；

Send out mail device (4)；

Receiving emails device (5)；

The Internet (6)；

Wherein, electronic post office (1) is connected by the Internet (6) phase telecommunication with a mail device (4), receiving emails device (5), and the Email (3) of sender leads to Cross and send out the receiving emails device (5) sending to addressee after mail device (4) carries out pasting e-stamp step through the Internet (6)；The receiving emails device (5) of addressee Sending solicited message through the Internet (6) to electronic post office (1), the e-stamp (2) that this Key Sequence Number (203) is corresponding is checked by described electronic post office (1) Effectiveness and identifying code (204), only after the effectiveness of e-stamp (2) and both confirmation of identifying code (204), just answer addressee The solicited message of people sends corresponding information bag, and described information bag includes the key B (202) matched with respective electronic stamp (2), and receiving emails fills Putting after (5) obtain the corresponding information bag that electronic post office (1) beams back, the key B (202) using described key A (201) corresponding verifies e-stamp, It is proved to be successful rear addressee and just can open this Email (3)；This e-stamp (2) and/or key B (202) are nullified by described electronic post office (1), make This e-stamp (2) and/or key B (202) lost efficacy and can not reuse；Described e-stamp (2) includes denomination value data (205), and each one Individual or multiple e-stamps are sent out when mail device (4) carries out pasting e-stamp step to be used.

2. the internet e-mail system using e-stamp as claimed in claim 1, it is characterised in that denomination is pressed by described electronic post office (1) Value data (205) charge distribution e-stamp (2), after e-stamp (2) is used, a part of postage of e-stamp (2) is put under electronic post office (1) The account of receipts, as the income of electronic post office, the addressee of Email (3) using this e-stamp (2) paid by another part postage.

3. the internet e-mail system using e-stamp as claimed in claim 1, it is characterised in that described mail device (4) of generating is electricity Sub-mail server or computer or mobile phone；Described receiving emails device (5) is e-mail server or computer or mobile phone.

4. the internet e-mail system using e-stamp as described in claim 1 or 3, it is characterised in that also include in described information bag There is advertising message.

5. the internet e-mail system using e-stamp as described in claim 1 or 2 or 3, it is characterised in that described electronic post office (1) It is provided with the postage data (7) of each addressee, consults for each sender.

6. use an internet email method for e-stamp, use the system as described in any one of claim 1 to 5, it is characterised in that Described method includes that sender, when addressee sends Email (3), sends out mail device (4), with e-stamp (2), sender is sent to addressee The Email (3) of people just sends the receiving emails device (5) of addressee to after carrying out pasting e-stamp step, wherein this e-stamp (2) is by electronics postal Office (1) distribution, and include key A (201), unique Key Sequence Number (203) and the identifying code (204) randomly generated；And, when addressee's After receiving emails device (5) receives this Email (3), sending solicited message to electronic post office (1), this Key Sequence Number (203) is checked by electronic post office (1) The effectiveness of corresponding e-stamp (2) and identifying code (204), only the effectiveness of e-stamp (2) and identifying code (204) both After confirmation, just beamed back by electronic post office (1) and comprise the information bag of key B (202) corresponding to this e-stamp (2) to receiving emails device (5), so Rear receiving emails device (5) uses the key B (202) in this information bag this Email (3) to carry out verifying e-stamp step, after being proved to be successful just Reducible go out original Email (3), then this Email (3) is left in and has verified that successful mail for depositing by receiving emails device (5) In Inbox, extracting for addressee and check this Email (3), this e-stamp (2) and/or key B (202) are nullified by electronic post office (1), make this E-stamp (2) and/or key B (202) lost efficacy and can not reuse.

7. the internet email method using e-stamp as claimed in claim 6, it is characterised in that described patch e-stamp step includes Sending out mail device (4) uses the key A (201) of a unworn e-stamp (2) to be digitally signed by Email (3), and by this e-stamp (2) Email (3) that Key Sequence Number (203) and identifying code (204) are attached to be digitally signed is inner, and, described checking e-stamp Step include receiving emails device (5) use described in key B (202) checking corresponding to key A (201) Email (3) that has been digitally signed The true and false of digital signature.

8. the internet email method using e-stamp as claimed in claim 6, it is characterised in that described patch e-stamp step includes Sending out mail device (4) uses the key A (201) of a unworn e-stamp (2) to be encrypted by Email (3), and by this e-stamp (2) The Email (3) that Key Sequence Number (203) and identifying code (204) are attached to be encrypted is inner, and, described checking e-stamp step includes The Email (3) encrypted deciphering is restored original unencryption by the key B (202) of key A (201) correspondence described in receiving emails device (5) use Email (3).

9. the internet email method using e-stamp as claimed in claim 6, it is characterised in that described method also includes following A Group step, is that sender uses e-stamp method that Email (3) is sent to the step of addressee, and concrete step is as follows:

A1. sender to send Email (3) front, buy or obtain e-stamp (2) from electronic post office (1) in advance, and this e-stamp (2) is left in send out In mail device (4)；

A2. send out mail device (4) and sender is sent to after the Email (3) of addressee carries out pasting e-stamp step with e-stamp (2), by interconnection This has been carried out pasting the Email (3) of e-stamp step and has sent the receiving emails device (5) of addressee to by net (6)；

A3., after receiving emails device (5) receives this Email (3) carrying out pasting e-stamp step, from Email (3), additional key sequence is found Number (203) and identifying code (204), receiving emails device (5) sends the solicited message extracting key B (202), described solicited message to electronic post office (1) Include Key Sequence Number (203) and identifying code (204)；

A4. the Key Sequence Number (203) after electronic post office (1) receives the solicited message that receiving emails device (5) sends extraction key B (202), in verification solicited message Identifying code (204) in the effectiveness of corresponding e-stamp (2) and solicited message, when verification this e-stamp (2) effectiveness and identifying code (204) two After person is errorless, electronic post office (1) beams back and comprises the information bag of key B (202) corresponding to this Key Sequence Number (203) to receiving emails device (5)；Receiving emails After device (5) receives this information bag, the key B (202) in this information bag is used to be verified by Email (3) received in step A3 E-stamp step, after being proved to be successful with regard to reducible go out original Email (3), then this Email (3) is left in by receiving emails device (5) In depositing the Inbox having verified that successful mail, extract for addressee and check this Email (3).

10. the internet email method using e-stamp as claimed in claim 9, it is characterised in that described solicited message includes there are receipts The Account Profile of part people, Key Sequence Number (203) and identifying code (204), and, when electronic post office (1) receives the request sent by receiving emails device (5) After information, effectiveness and the identifying code (204) of e-stamp (2) corresponding to this Key Sequence Number (203) can be checked by electronic post office (1), only should in verification After both e-stamp (2) effectiveness and identifying code (204) are errorless, electronic post office (1) just can comprise the key B (202) that this Key Sequence Number (203) is corresponding And the information bag of denomination value data (205) sends this receiving emails device (5) to, then this e-stamp (2) and/or key will be nullified by electronic post office (1) B (202), makes this e-stamp (2) and/or key B (202) lose efficacy.

The 11. internet email methods using e-stamp as claimed in claim 10, it is characterised in that described sends out in mail device (4) Formula of sending and receiving e-mail is in time sending Email (3), and the Email (3) using one or more unworn e-stamp (2) to send enters Row patch e-stamp step, then fills the receiving emails that the Email (3) carrying out patch e-stamp step is sent to addressee by the Internet (6) Put (5).

The 12. internet email methods using e-stamp as claimed in claim 10, it is characterised in that in described receiving emails device (5) Send and receive e-mail formula in receiving emails device (5) receive carry out paste e-stamp step Email (3) time, to electronic post office (1) send out Go out solicited message, electronic post office (1) beam back that to comprise whole e-stamps (2) of being used when this Email (3) carries out pasting e-stamp step right The key B (202) answered and the information bag of denomination value data (205), use each bar key B (202) in this information bag by this Email the most one by one (3) carry out verifying e-stamp step, the denomination value money corresponding to each key B (202) that formula of sending and receiving e-mail after having verified will be proved to be successful Material amount of money addition calculation shown in (205) goes out paid postage, then stores classifiedly this Email (3) in different receipts by the amount of money of this paid postage In part folder.

The 13. internet email methods using e-stamp as claimed in claim 10, it is characterised in that described electronic post office (1) receives Solicited message and check the effectiveness of e-stamp (2) corresponding to Key Sequence Number (203) in this solicited message and identifying code (204) both errorless after, The information bag comprising key B (202) corresponding to Key Sequence Number (203) and denomination value data (205) is sent back to receiving emails device (5), then electronics postal Partial amount in the amount of money shown in this denomination value data (205) is deposited in the account of the Account Profile in this solicited message by office (1).

The 14. internet email methods using e-stamp as claimed in claim 10, it is characterised in that described electronic post office (1) receives Solicited message and check the effectiveness of e-stamp (2) corresponding to Key Sequence Number (203) in this solicited message and identifying code (204) both errorless after, Send the information bag comprising key B (202) corresponding to this Key Sequence Number (203) and denomination value data (205) and advertising message to receiving emails device (5), then the partial amount in the amount of money shown in this denomination value data (205) is deposited into the account of the Account Profile in this solicited message by electronic post office (1) Indoor.

The 15. internet email methods using e-stamp as claimed in claim 10, it is characterised in that described electronic post office (1) receives Solicited message and check the effectiveness of e-stamp (2) corresponding to Key Sequence Number (203) in this solicited message and identifying code (204) both errorless after, Key B (202) corresponding to this Key Sequence Number (203) and denomination value data (205) will be comprised and include the information bag biography of advertising message of confirmation Giving receiving emails device (5), addressee sees after the advertising message this information bag from receiving emails device (5), by the confirmation of advertisement information contents Being sent to electronic post office (1) by receiving emails device (5) and the Internet (6), electronic post office (1) receives this denomination value data (205) after this confirmation Partial amount in the shown amount of money is deposited in the account of the Account Profile in this solicited message.