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WO2006067965A1 - Dispositif de jugement des courriels parasitaires, procédé de jugement des courriels parasitaires, programme de jugement et support d’enregistrement - Google Patents

Dispositif de jugement des courriels parasitaires, procédé de jugement des courriels parasitaires, programme de jugement et support d’enregistrement Download PDF

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Publication number
WO2006067965A1
WO2006067965A1 PCT/JP2005/022441 JP2005022441W WO2006067965A1 WO 2006067965 A1 WO2006067965 A1 WO 2006067965A1 JP 2005022441 W JP2005022441 W JP 2005022441W WO 2006067965 A1 WO2006067965 A1 WO 2006067965A1
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WO
WIPO (PCT)
Prior art keywords
mail
address
received
permission information
storage unit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2005/022441
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English (en)
Japanese (ja)
Inventor
Takamasa Shimoda
Kazuto Matsuzaki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ISK Inc
Original Assignee
ISK Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ISK Inc filed Critical ISK Inc
Priority to JP2006548782A priority Critical patent/JP4711086B2/ja
Publication of WO2006067965A1 publication Critical patent/WO2006067965A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L51/00—User-to-user messaging in packet-switching networks, transmitted according to store-and-forward or real-time protocols, e.g. e-mail
    • H04L51/21—Monitoring or handling of messages
    • H04L51/212—Monitoring or handling of messages using filtering or selective blocking

Definitions

  • Spam mail determination device spam mail determination method, determination program, and recording medium
  • the present invention relates to a technique for discriminating junk mail unnecessary for a recipient from necessary electronic mail.
  • the mail device described in Patent Document 1 determines whether the received e-mail has a sending address strength or not in the address book of the recipient or the mail list. Or, if it is not listed in the past incoming mail list, instruct recipients to set incoming call rejection. If the recipient decides to reject the incoming call, it sends a message to the mail server, and the incoming e-mail at the sending address or domain stops.
  • the communication information transfer determination device described in Patent Document 2 transmits a reply email when receiving an email, waits for a reply email to the reply email, and returns a response email if the email is a spam email. Because it is leverage! /, Delete the received e-mail after a predetermined time. When the response mail comes back, if the response mail is mechanically returned, the e-mail is deleted.
  • the e-mail system described in Patent Document 3 sets a nose code used for authentication between users who mutually send and receive e-mails, attaches a nose code when sending and receiving e-mails, and only matches.
  • the electronic mail is permitted to be sent and received.
  • the sender sends in advance an email containing only header information to the receiver, and if there is no problem when the receiver sees the displayed header information, there is no problem.
  • the key information is transmitted to the sender.
  • the sender adds the key information to an e-mail with a text and sends it. Recipients receive the received mail as key information added to the body of the email. If key information is not added to the body of the email, it is discarded.
  • Patent Document 1 Japanese Patent Application Laid-Open No. 2003-196217
  • Patent Document 2 Japanese Patent Application Laid-Open No. 2004-228832
  • Patent Document 3 Japanese Patent Application Laid-Open No. 2004-102352
  • Patent Document 4 Japanese Unexamined Patent Application Publication No. 2004-159086
  • the sender address is set in the address book or the list of past incoming mail, and every time an e-mail is received, the recipient is set to reject incoming calls. Since it is notified whether or not to perform the operation, the operation is troublesome.
  • the communication information transfer determination device described in Patent Document 2 responds by manual operation because it only determines whether or not the sender has responded to the reply mail manually as a response mail. If you don't show junk mail like this, you can't distinguish it from the required email! /.
  • the e-mail system described in Patent Document 3 and Patent Document 4 uses a passcode or key information to distinguish between necessary e-mail and unnecessary spam mail. It must be equipped with a function to send and receive a passcode or key information attached, and to receive and authenticate.
  • An object of the present invention is to provide a determination device, a spam mail determination method, a determination program, and a recording medium.
  • the spam mail determination device of the present invention includes a received mail storage unit that stores a received electronic mail as a received mail in addition to a spam mail determination device that determines a necessary electronic mail and an unnecessary spam mail.
  • Permission information management in which the recipient's business card information is set as permission information
  • an e-mail processing unit that judges that the junk e-mail is received when the received mail does not include the permission information.
  • a sender-powered e-mail is received, and the received mail storage unit stores it as a received mail.
  • business card information is set as permission information. Since the business card information is the information on the recipient's business card, if the email contains this business card information! /, It means that the sender once met the recipient and exchanged the business card. Means that. Therefore, the e-mail processing unit compares the business card information as the permission information with the received mail, and determines whether the permission information is included in the e-mail by including the permission information. In some cases, e-mails from senders have never been acquainted and are judged as spam, so it is possible to identify U-mails from senders who do not know the recipient. Monkey.
  • the information may include all or one or more of the deviations. Since these business card information is not an enumeration of numbers and characters that are difficult to understand, it is easy for the sender to understand. It is also easy for the recipient to set.
  • An address accumulating unit that accumulates a transmission destination address of the transmitted e-mail is provided, and the e-mail processing unit transmits the received e-mail before determining whether or not the permission information exists for the received e-mail.
  • Original address power When not included in the destination address stored in the address storage unit, a reply mail requesting the permission information is sent to the source address, and the reply mail to the reply mail is sent. If the permission information is included, it is desirable that the transmission source address of the response mail is stored as a permission address in the address storage unit, and the received mail is determined as the necessary e-mail.
  • the e-mail processing unit Before the e-mail processing unit first determines whether or not there is permission information for the received mail, whether or not it is included in the transmission destination address stored in the address storage unit of the received mail Determine. If not included, a reply mail requesting permission information is sent to the sender address.
  • the e-mail sent to the address storage unit Since it is stored in the address storage unit, it means that the receiver has transmitted at least once in the past. Therefore, the fact that it is not stored in the address storage unit means that the receiver has never sent it in the past, so a reply message requesting permission information, which is business card information, to confirm the sender. Send the task.
  • the response mail is responded to this reply mail, and the permission information is included in the response mail, it is not the person who sent in the past, but it is the other party (sender) who is familiar Can be determined. Therefore, it is possible to determine that the e-mail transmitted from the sender is a necessary e-mail.
  • the source address of the received mail is the address storage unit If it is included in the destination address stored in the mail, it is desirable to determine the received mail as the necessary electronic mail.
  • the fact that the source address of the received mail is stored in the destination address stored in the address storage unit means that the recipient is the other party who sent the message once in the past. At this point, the received mail can be determined as a necessary electronic mail. Therefore, it is possible to eliminate the need for confirmation by sending a notification mail requesting permission information to the other party as a reply mail.
  • the junk mail determination method of the present invention includes a setting step of setting the business card information of the receiver as permission information, a receiving step of receiving an e-mail of the sender power and storing it as a received mail, and the setting A determination step for determining whether or not the permission information set in step is included in the received mail !, and when it is determined in the determination step that the permission information is included, And a step of judging as mail.
  • the business card information of the recipient is set as permission information in advance, and an e-mail from the sender is received and stored as a received mail in the receiving step. Then, in the determination step, it is determined whether or not the permission information is included in the received mail. If it is determined that the permission information is not included, the received mail is deleted. Since the business card information is the information on the recipient's business card, the fact that this business card information is included in the e-mail Means that the person once met with the recipient and exchanged the business card. Therefore, in the judgment step, the business card information as the permission information is compared with the received mail to determine whether the received mail contains the permission information. Since it is an e-mail from the sender, it is determined as a junk mail, so it is possible to discriminate an e-mail from a sender who does not know the recipient.
  • the determination program of the present invention is a determination program for causing a computer to function as a junk mail determination device for determining necessary e-mails and unnecessary junk mails.
  • the computer can function in the same manner as the spam mail determination apparatus of the present invention.
  • the determination program of the present invention can be provided to a computer and executed by a computer-readable recording medium in which the determination program is recorded.
  • a computer-readable recording medium in which the determination program is recorded By using a computer-readable recording medium in which the determination program is recorded and installing the computer in a computer, the same effects as those of the junk mail determination device can be obtained.
  • the source address of the received email is included in the accumulated destination address.
  • Sometimes send a reply email requesting permission information to the sender address If the response email for the reply email contains permission information, the sender's address of the response email is stored as the permission address, and the received email is sent in the past by determining that it is a necessary email. It is possible to determine that the other party (sender) is an acquaintance, although the other party is never. Therefore, even a sender who sends an e-mail to a recipient for the first time will receive a reply mail requesting permission information.
  • sending a reply mail according to the contents of this reply mail, If you are an acquainted sender, you can prevent the necessary e-mails from being judged as spam. Therefore, it is possible to more reliably determine necessary e-mail and spam mail.
  • FIG. 1 is a diagram for explaining an electronic mail system using a spam mail determination device according to an embodiment of the present invention.
  • FIG. 2 is a diagram for explaining a configuration of a spam mail determination device according to an embodiment of the present invention.
  • FIG. 3 is a flowchart for explaining the operation of the junk mail determination apparatus according to the embodiment of the present invention.
  • FIG. 4 is a flowchart for explaining the operation of the junk mail determination apparatus according to the embodiment of the present invention.
  • FIG. 5 is a diagram showing an example of a reply mail transmitted by the spam mail determination apparatus according to the embodiment of the present invention.
  • FIG. 6 is a diagram showing an example of a reply mail transmitted by the spam mail determination apparatus according to the embodiment of the present invention.
  • FIG. 1 is a diagram for explaining an electronic mail system using the junk mail determination device according to the embodiment of the present invention.
  • FIG. 2 is a diagram for explaining the configuration of the spam mail determination apparatus according to the embodiment of the present invention.
  • the junk mail determination apparatus operates on a computer 1.
  • the computer 1 is connected to the Internet 2 as an example of a network via a communication line such as a telephone line, ISDN (Integrated Services Digital Network), or an optical fiber.
  • a communication line such as a telephone line, ISDN (Integrated Services Digital Network), or an optical fiber.
  • network connection devices such as modems and routers for connecting to the Internet 2 are omitted for convenience.
  • a mail server 3 having a mail account of an operator who operates the computer 1, a computer 4 for sending an email to the computer 1, and receiving an email from the computer 1, and a computer 4
  • the mail server 5 having the mail account of the operator to be operated is connected.
  • the computer 1 transmits an e-mail, it transmits through the mail server 3, and similarly, the computer 4 transmits through the mail server 5.
  • the computer 1 sends and receives electronic mail to and from the Internet 2
  • a communication unit 10 a junk mail determination device 11 that determines whether the received e-mail is necessary or unnecessary junk mail, and a mailer unit 12 are provided.
  • the communication unit 10 is a communication unit for connecting to the Internet 2 via a communication line.
  • the communication unit 10 is a modem when connected by dial-up using a telephone line, and when connected by ADSL (Asymmetric Digital Subscriber Line), it is connected to an external modem (LAN (Local Area Network)). It can be.
  • ADSL Asymmetric Digital Subscriber Line
  • LAN Local Area Network
  • the spam mail determination device 11 includes a storage unit 13 and an email processing unit 14.
  • the storage unit 13 is a storage unit capable of reading and writing data, and may be a volatile memory, a nonvolatile memory, a disk device, or the like.
  • the storage unit 13 includes a received mail storage unit 13a, an address storage unit 13b, a permission information management unit 13c, and a nuisance address management unit 13d.
  • the received mail storage unit 13a stores an electronic mail received via the communication unit 10 as a received mail.
  • the transmission destination address of the electronic mail transmitted from the mailer unit 12 is stored as a transmission mail address.
  • the address storage unit 13b should not mistakenly identify a confirmation e-mail when applying for a ticket or product on a web page of the World Wide Web (WWW) site, for example.
  • the sender address (or domain name) of the confirmation email is preset and stored as the permitted email address.
  • the permission information management unit 13c business card information or personal information of an operator who operates the computer 1 is set as permission information.
  • the junk address management unit 13d stores the sender addresses of e-mails determined to be junk mail as junk mail addresses.
  • business card information and personal information will be described in detail.
  • the business card information is information described on a business card handed to a person who first meets with the operator by an operator who operates the computer 1. For example, a name card, company name, postal code, address, telephone number, facsimile number, etc. are written on the business card.
  • the business card information it is only necessary to determine that the sender who sends the e-mail is the person who exchanged the business card. If it is a name, only the name, surname, or name may be used. It is desirable to use all company numbers for telephone numbers or facsimile numbers, but a four-digit telephone number excluding the outside area code and inside area number is sufficient for confirmation. One of these is used as business card information Although it is possible to check the accuracy of multiple combinations, it is desirable. However, as the number increases, the burden on the sender increases.
  • personal information may include the recipient's last name or name, or both, company name, school name, postal code, part or all of the address, part or all of the telephone number, fax number Part or all of the date, date of birth, nickname (alias), pen name (including aliases used when posting to Radio TV), mobile name (alias used for exchanging emails on mobile phones), hobby
  • the information may include one or more of the above. In a close relationship between the sender and the receiver, this personal information can be known in common sense or in daily conversation. Therefore, knowing such personal information can be determined to be a close relationship.
  • the e-mail processing unit 14 stores the received mail when the source address of the received mail stored in the received mail storage unit 13a is included in the junk mail address stored in the junk address management unit 13d. It has a function to delete the received mail stored in the section 13a. In addition, the e-mail processing unit 14 permits the sending mail address stored in the received mail storage unit 13a when the sender address of the received mail is not included in the outgoing mail address and the permitted mail address stored in the address storage unit 13b. It has a function to send a reply mail requesting information to the sender address. If permission information is included in the response mail for the reply mail, the response mail source address is stored as a permitted address in the address storage unit 13b, and the received mail is determined to be a necessary e-mail. It is equipped with.
  • the e-mail processing unit 14 receives if the transmission source address of the received mail stored in the received mail storage unit 13a is V included in the transmission mail address stored in the address storage unit 13b. It has a function to judge mail as necessary e-mail.
  • the e-mail processing unit 14 determines that the response mail stored in the received mail storage unit 13a is junk mail when the permission information is not included, and transmits the e-mail that is the junk mail. A function of accumulating addresses in the junk address management unit 13d is provided.
  • the spam mail determination device 11 having the above configuration causes the computer 1 to function as each of the above-described units. This is realized by executing a determination program for the purpose.
  • the determination program is stored in a recording medium that can be read by the computer 1, such as a flexible disk, a CD-ROM (Compact Disk Read Only Memory), a memory card, etc., and installed in the computer 1, The computer 1 can be operated as the junk mail determination device 11.
  • the mailer unit 12 has a function that allows an operator operating the computer 1 to create an e-mail to be sent or to view an e-mail that is determined not to be a junk e-mail. If the computer does not include the junk mail determination device 11, the mailer unit 12 transmits or receives an e-mail to the mail server 3 via the communication unit 10.
  • Outlook registered trademark manufactured by Microsoft Corporation can be used as the mailer unit 12.
  • FIGS. 3 and FIG. 4 are flowcharts for explaining the operation of the junk mail determination device according to the embodiment of the present invention.
  • FIG. 5 and FIG. 6 are diagrams showing an example of a reply mail transmitted by the spam mail determination device according to the embodiment of the present invention.
  • the computer 4 that transmits electronic mail and the mail server 5 that the computer 4 uses for transmission and reception are illustrated as the transmission side.
  • the operator who operates the computer 4 is described as a sender, and the operator who operates the computer 1 is described as a receiver.
  • the permission information management unit 13c of the junk mail determination device 11 a lower four-digit number excluding the outside area number and the inside area number of the business card information telephone number is set as permission information in advance. Shall be.
  • the address storage unit 13b stores the destination address when the operator who has operated the computer 1 has sent an e-mail in the past using the mailer unit 12 as a transmission mail address. And Further, it is assumed that a permitted mail address is preset in the address storage unit 13b.
  • the data is transmitted from the computer 4 via the electronic mail power mail server 5 (S10).
  • the transmitted e-mail is delivered to the mail server 5 and stored in the recipient's mailbox secured in the mail server 5 (S20).
  • the mailer unit 12 of the computer 1 transmits an e-mail reception request to the mail server 3. This reception request is transmitted according to the incoming mail check cycle set in the mailer unit 12, or the operator manually transmits the mailer unit 12.
  • the e-mail processing unit 14 of the junk mail determination device 11 passes the reception request from the mailer unit 12 through the junk mail determination device 11 under the condition that there is no received mail stored in the received mail storage unit 13a.
  • This reception request can be performed by, for example, POP (Post Office Protocol), APOP (Authenticated Post Office Protocol), IMAP (Internet Message Access Protocol) 4, etc. If possible, go with other protocols. (S30).
  • the electronic mail stored in the corresponding mailbox is transmitted to the computer 1 (S40).
  • the e-mail received via the communication unit 10 is stored as a received mail in the received mail storage unit 13a (S50).
  • the e-mail processing unit 14 determines whether or not the sender address of the received mail stored in the received mail storage unit 13a is included in the junk mail address stored in the junk address management unit 13d (S300) . If the sender address of the received mail is included in the spam mail address stored in the spam address management unit 13d, the received mail is deleted (S310). In this case, since the junk mail is automatically deleted, the operator does not need to perform complicated operations.
  • the e-mail processing unit 14 sends the source of the received mail stored in the received mail storage unit 13a. Address power It is determined whether or not it is included in the transmission mail address and the permitted mail address stored in the address storage unit 13b. (S60).
  • the email processing unit 14 uses the received email stored in the received email storage unit 13a as S30. Pass in response to the reception request at (S70).
  • the mailer unit 12 stores the e-mail to which the e-mail processing unit 14 has been passed as a new mail (S80).
  • the recipient is addressed to the sender once in the past. Means never sent to. Therefore, in order to confirm the sender, it is determined whether the power of the received information includes the business card information of the permission information management unit 13c or the permission information of the personal information.
  • the e-mail is composed of a header and a body, but it is desirable that the body should be the title part of the header so that the sender can easily input it. In the present embodiment, it is determined whether or not permission information is described in the main text of the e-mail processing unit 14 received mail (S90).
  • the sender exchanges business cards with the receiver and is acquainted, or is in a close relationship with a friend. If you don't know that 11 is working, you usually don't include permission information in the body of the email. Therefore, the determination at S90 is “NO” and the process proceeds to S100.
  • the e-mail processing unit 14 confirms the sender with the permission information.
  • Send a reply email to request Reply mail can be sent to the mail server 3 using SMTP (Simple Mail Transfer Protocol), but other protocols may be used as long as an email such as reply mail can be sent to the mail server 3 (S 100).
  • Figures 5 and 6 show an example of a reply mail requesting permission information.
  • the reply mail contains a word requesting the last four digits of the telephone number written on the business card as permission information.
  • the reply mail contains a text requesting that the name of the recipient as permission information be written in katakana.
  • the reply mail is mechanically returned in addition to the word requesting permission information. Therefore, it can be understood that such a reply mail is mechanically sent back to the sender who sent the e-mail for the first time without knowing anything to the recipient. There is no distrust to the sender.
  • the contents of these reply mails can be set as appropriate according to the setting contents of the permission information of the permission information management unit 13c.
  • the name of the recipient is required to be written in katakana in the response mail, but it can also be a reply mail that requires writing in hiragana or kanji.
  • the permission information of the permission information management unit 13c will ask for your name in the hiragana reply mail! /, If it is hiragana, the reply mail will ask for your name in kanji. If necessary, it must be set in kanji.
  • the reply mail transmitted in S 100 is relayed from mail server 3 to mail server 5 and delivered to computer 4 (S 110).
  • the sender reads the word requesting the last four digits of the phone number, sees the business card when the business card is exchanged with the receiver, and responds. Create and send an email (S 120).
  • the sender can recognize the recipient who sent the reply mail from the sender address of the reply mail, etc., the sender's business card can be specified from among many business cards. For example, if the recipient is a randomly extracted partner or a recipient whose destination address has been created mechanically, this reply mail power can identify the partner (recipient). You cannot enter the business card information or personal information and send a response mail. Therefore, it is possible to confirm the sender by requesting business card information or personal information from the e-mail. [0058]
  • the transmitted response mail is delivered to the mail server 3 and stored in the recipient's mailbox (S130). Similar to S30, the mailer unit 12 transmits an e-mail reception request to the mail server 3 (S140). When the mail server 3 receives the reception request, the response mail stored in the corresponding mailbox is transmitted to the computer 1 (S150). The received response mail is stored as received mail in the received mail storage unit 13a (S160).
  • the response mail includes the permission information of the permission information management unit 13c. Determine whether or not.
  • the last 4 digits of the phone number in the business card information, excluding the outside area number and the inside area number, are! /, So the last 4 digits are written in the received mail. (S 170).
  • the sender exchanges the business card with the receiver, and is familiar or personally familiar. Since the e-mail is not an unsolicited e-mail, the e-mail processing unit 14 accumulates the sender's address in the address accumulation unit 13b as a permitted address, and received it in S50 in response to the reception request. Pass the received mail (S 180). The mailer unit 12 stores the e-mail to which the e-mail processing unit 14 has been passed as a new mail (S190).
  • the response mail with permission information in the text is of a sender who is acquainted with the recipient, by storing the response mail sender address as a permission address in the address storage unit 13b, Since it is not necessary to respond to reply e-mails or write permission information, the burden on the sender can be reduced.
  • the e-mail processing unit 14 can determine that the e-mail received in S50 is a junk mail.
  • the sender address of the spam e-mail is stored in the junk address management unit 13d, and the e-mail received in S50 and the response mail received in S160 are deleted from the received mail storage unit 13a ( S200).
  • the junk mail determination device 11 accesses the mail server 3 at predetermined intervals, and if the junk mail database has been updated, downloads this database and stores the junk address storage unit 13b. What is necessary is just to update the content. By doing so, it is possible to share the sender address of spam mail with operators belonging to the same provider.
  • the mail server 3 can aggregate a database of spam mails possessed by a plurality of providers by transmitting a spam mail database to a specific server negotiated with another provider. Aggregating the spam mail databases of multiple providers can be used to clean up spam mail.
  • one address can be set in the mail server 3 or the spam mail determination device 11 as a server to be referred to, so that it can be easily referred to.
  • the spam database will be distributed to multiple servers, or each provider will have It can also be distributed to mail servers. In this way, it is possible to suppress spam by constructing a database of e-mail sender addresses that many operators have determined to be spam.
  • a sender who has exchanged a business card with the recipient may send an email containing the business card information, and a sender who is close to the recipient will receive personal information. Since it is only necessary to send such e-mails, it is not necessary for the sender's computer 4 to have special functions. Also, the recipient's computer 1 does not include complicated business card information or personal information, and the e-mail is deleted, so there is no need for complicated operations.
  • the spam mail determination device 11 and the mailer unit 12 are in the same device, but the spam mail determination device may be provided in the mail server 3. Further, by interposing a junk mail determination device as a separate device between the mail server 3 and the mailer unit 12, it is also possible to make the devices separate from each other.
  • the determination program of the present invention is installed in a computer.
  • a mobile phone equipped with an e-mail transmission / reception function can be operated by implementing the determination program of the present invention in a ROM (Read Only Memory). Is possible.
  • the junk mail determination device of the present invention does not require a complicated operation on the recipient side when receiving an e-mail, it can be used at a company, school, facility, etc., or at home. is there.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Information Transfer Between Computers (AREA)

Abstract

L’invention concerne un dispositif de jugement des courriels parasitaires n’exigeant pas que l’ordinateur de l’expéditeur envoie un courriel nécessaire pour obtenir une fonction spéciale et n’exigeant pas que le récepteur effectue une opération fastidieuse lorsque le récepteur reçoit le courriel. Le dispositif de jugement des courriels parasitaires (11) permettant de distinguer les courriels nécessaires des courriels parasitaires non nécessaires comprend une section de stockage des courriels reçus (13a) pour stocker des courriels reçus sous forme de courriels reçus, une section de gestion des informations de permission (13c) où l’on définit les informations de carte de visite du récepteur ou les informations personnelles du récepteur comme informations de permission, une section de traitement des courriels (14) permettant de juger un courriel reçu comme courriel parasitaire si le courriel reçu ne contient pas d’informations de permission et d’effacer le courriel reçu de la section de stockage des courriels reçus (13a). Si un courriel reçu ne contient aucune information de permission, il est envoyé d’un expéditeur inconnu du récepteur. C’est la raison pour laquelle le courriel est jugé comme courriel parasitaire et effacé de la section de stockage des courriels reçus (13a). En conséquence, un courriel provenant d’un expéditeur ne connaissant pas le récepteur, est détecté et effacé.
PCT/JP2005/022441 2004-12-20 2005-12-07 Dispositif de jugement des courriels parasitaires, procédé de jugement des courriels parasitaires, programme de jugement et support d’enregistrement Ceased WO2006067965A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2006548782A JP4711086B2 (ja) 2004-12-20 2005-12-07 迷惑メール判定装置、および迷惑メール判定方法、並びに判定プログラム、記録媒体

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2004368261 2004-12-20
JP2004-368261 2004-12-20

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Publication Number Publication Date
WO2006067965A1 true WO2006067965A1 (fr) 2006-06-29

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PCT/JP2005/022441 Ceased WO2006067965A1 (fr) 2004-12-20 2005-12-07 Dispositif de jugement des courriels parasitaires, procédé de jugement des courriels parasitaires, programme de jugement et support d’enregistrement

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WO (1) WO2006067965A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009294986A (ja) * 2008-06-06 2009-12-17 Toshiba Corp 通信端末
JP2014039270A (ja) * 2007-01-30 2014-02-27 Datasci Llc セルラ電話のメッセージを濾波するシステム及び方法

Citations (3)

* Cited by examiner, † Cited by third party
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JP2003141043A (ja) * 2001-11-01 2003-05-16 Ntt Docomo Inc メール配信制御方法及び装置、並びに無線通信システム
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JP2009294986A (ja) * 2008-06-06 2009-12-17 Toshiba Corp 通信端末

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