JP3886830B2 - Server computer and e-mail receiving device - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a server computer used for a mailing list which is a system for exchanging electronic mails among a plurality of users, and an electronic mail receiving apparatus for each user to receive the electronic mails.
[0002]
[Prior art]
Conventionally, there is a mailing list system as one of the uses of the Internet using e-mail. The mailing list is constructed by gathering users who are interested in a specific field (for example, a computer programming language). According to a mailing list, when a user registered in the mailing list sends an e-mail to a specific destination (that is, a mailing list server), this mail is sent to each user registered in the mailing list. If you reply to an email, that email is also sent to each user. For this reason, when a mailing list is used, mail can be exchanged between a plurality of people, unlike a normal electronic mail system that exchanges mail one-on-one.
[0003]
[Problems to be solved by the invention]
If a user with advanced level knowledge (hereinafter referred to as an advanced user) and a basic level user who has little knowledge (hereinafter referred to as an elementary user) belong to the same mailing list, the content of the email by the user There is a big difference in the level. For advanced users, the contents of e-mails of beginner users are often not common and are not useful. Therefore, if the mail from the beginner user continues, some advanced users send an aggressive reply mail or unsubscribe from the mailing list. Since advanced users contribute greatly to the mailing list, unsubscribing of advanced users is a great loss for the mailing list, and the mailing list is not activated.
[0004]
In order to eliminate such dissatisfaction by advanced users, it is possible to set a rule on the mailing list and not to send low-level mail. However, in this case, the mailing list becomes a threshold for beginner users and is reluctant to send mail to the mailing list, so the mailing list is not activated.
[0005]
In order to solve these problems, it is possible to divide one mailing list into multiple mailing lists for each level. However, one user usually subscribes to only one mailing list with the same contents. For this reason, the beginner user is confined to the beginner mailing list, the advanced user is confined to the advanced mailing list, and the beginner user cannot interact with the advanced user. For this reason, beginner users cannot improve their level by interacting with advanced users, while advanced users can always interact only with similar partners and lose their freshness, activating the mailing list. Can not.
[0006]
The present invention has been made in view of such problems, and an object of the present invention is to provide a server computer capable of activating a mailing list and an e-mail receiving apparatus for receiving e-mail distributed from this server. .
[0007]
[Means for Solving the Problems]
The server computer according to the present invention is registered in the mailing list. Source E-mail receiving means for receiving e-mail from the user; Destination The e-mail receiving device used by the user At least one of classification, deletion and display Knowledge level parameters for making decisions about processing Source Knowledge parameter generation means for calculating according to the knowledge level of the user, and a source of the e-mail Ruyu Knowledge level parameter adding means for adding the knowledge level parameter calculated by the knowledge parameter generating means for the user to the email received by the email receiving means; Source And e-mail transmission means for broadcasting the e-mail to which the user's knowledge level parameter is added to each user registered in the mailing list.
[0008]
According to the server computer of the present invention, the knowledge level parameter of the transmission source (that is, the user who transmitted this e-mail) is added to the e-mail from the user registered in the mailing list by the knowledge level parameter adding means, and this transmission is performed. An e-mail with the original knowledge level parameter added is broadcast to each user registered in the mailing list. Therefore, the knowledge level parameter of the user who sent the e-mail to each user can be transmitted.
[0009]
The server computer according to the present invention calculates a knowledge level parameter of each user based on at least one of the number of utterances of each user registered in the mailing list, the number of citations of each user, and the subscription period to the mailing list. Knowledge level parameter calculation means for calculating update may be further provided.
[0010]
According to this, since the knowledge level parameter of each user is calculated based on objective data, the knowledge level of each user can be calculated objectively. In general, each user wants to improve his knowledge level parameter. Therefore, especially when the knowledge level parameter is calculated based on the number of utterances, each user actively transmits an e-mail to the mailing list, so that the mailing list can be activated.
[0011]
The knowledge level parameter adding means of the server computer according to the present invention adds, for example, the knowledge level parameter of the user who is the sender of the email to the header of the email.
[0012]
According to this, the knowledge level parameter of the user who transmitted the e-mail can be displayed in the e-mail reception list displayed on the terminal of each user. Therefore, each user can know the knowledge level parameter of the user who sent the e-mail without opening the body of the received e-mail, so that automatic processing according to the knowledge level parameter can be performed.
[0013]
The first e-mail receiving device according to the present invention includes an e-mail receiving means for receiving an e-mail transmitted from a user registered in the mailing list and added with the user's knowledge level parameter, and an e-mail receiving means. And e-mail deleting means for deleting the e-mail when the knowledge level indicated by the knowledge level parameter added to the received e-mail is lower than a preset level. To do.
[0014]
According to the first electronic mail receiving device of the present invention, when the knowledge level indicated by the knowledge level parameter added to the electronic mail received by the electronic mail receiving means is lower than a preset level, the electronic mail Since this e-mail is deleted, that is, automatically deleted by the deleting means, it is possible to save the trouble of each user eliminating the low-level e-mail.
[0015]
The second e-mail receiving apparatus according to the present invention receives an e-mail transmitted from a user registered in the mailing list and added with the knowledge level parameter of the user, and received by the e-mail receiving means. When the knowledge level indicated by the knowledge level parameter added to the received e-mail is lower than a preset level, the e-mail display form in the e-mail reception list is displayed differently from other e-mails. And a display means.
[0016]
According to the second electronic mail receiving device of the present invention, when the knowledge level indicated by the knowledge level parameter added to the electronic mail received by the electronic mail receiving means is lower than a preset level, the display means In the e-mail reception list displayed on the screen, the display form of this e-mail can be different from that of other e-mails, so that each user can be alerted.
[0017]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, a server computer according to an embodiment of the present invention (hereinafter referred to as the present embodiment) will be described with reference to the drawings. FIG. 1 is a diagram showing an outline of a mailing list according to the present embodiment. First, the outline of the present embodiment will be described with reference to FIG. There are various subject fields in the mailing list. For example, there are a programming language and a computer virus countermeasure mailing list, for example. By registering in advance in the mailing list of the target field desired by each person, it is possible to become a user of the mailing list.
[0018]
For example, it is assumed that the user A transmits an e-mail to the server 1 from his / her terminal (computer, portable terminal, etc.) in order to speak to each user on the mailing list. The server 1 is a normal server computer that broadcasts this e-mail to each user, that is, all users registered in the mailing list (in this case, user A, user B, user C, user D,...). The following processing is performed when providing the service. The server 1 adds the knowledge level parameter of the user (e.g., user A in the above case) who is the sender of the e-mail to the header of the e-mail to be distributed, and distributes the e-mail to each user in a broadcast manner. .
[0019]
Here, the knowledge level parameter is data obtained by quantifying the knowledge level related to the target field of the mailing list for each user, and each user's sent to the server 1 to deliver an e-mail to each user. It is calculated on the basis of the number of times of e-mail transmission (number of utterances).
[0020]
Therefore, according to this embodiment, each user does not open (read) an email from a user whose knowledge level is not preferred based on the knowledge level parameter of the user who sent the email, Processing is possible. For this reason, according to the present embodiment, an aggressive reply mail from an advanced user who feels that the e-mail of the beginner user is unsatisfactory, a withdrawal from the mailing list of the advanced user, and the e-mail of the beginner user refrain from the advanced user Since hesitation can be prevented, the mailing list can be activated.
[0021]
Next, the configuration of the server computer 1 according to the present embodiment will be described. FIG. 2 is a block diagram showing this configuration. The server 1 includes an e-mail receiving unit 3 that receives an e-mail transmitted from a user's terminal, an e-mail processing unit 5 that performs a process for broadcasting the e-mail to each user, and an e-mail. E-mail transmission means 7 for broadcasting to each user's terminal, knowledge level parameter database (hereinafter referred to as knowledge level parameter DB) 9 for storing each user's knowledge level parameter, and calculation of each user's knowledge level parameter And the knowledge level parameter calculation means 11 for calculating the update, a basic information database (hereinafter referred to as a basic information DB) 13 for storing information serving as a basis for calculating the knowledge level parameter of each user, and the server 1 A mailing list 14 for storing the mail addresses of users registered in the mailing list; Equipped with a.
[0022]
The e-mail receiving means 3 includes a communication interface, and receives e-mail sent from each user through a network such as the Internet or a dedicated line in order to broadcast e-mail to each user registered in the mailing list. . The e-mail processing means 5 performs various processes such as a process for adding a mail address for each user extracted from the mailing list 14 to the e-mail received by the e-mail receiving means 3, and the e-mail is sent to each user. To be delivered. The e-mail processing means 5 includes knowledge level parameter adding means 15 for adding the knowledge level parameter of the user who sent this e-mail to the header of the e-mail. The e-mail transmission means 7 includes a communication interface, and distributes the e-mail processed by the e-mail processing means 5 to each user via a network such as the Internet or a dedicated line.
[0023]
In the knowledge level parameter DB 9, for example, as shown in the table of FIG. 3, the knowledge level parameters of each user in the target field of the mailing list are digitized and stored. The knowledge level parameter calculation means 11 calculates the knowledge level parameter stored in the knowledge level parameter DB 9 for each user. More specifically, the knowledge level parameter calculation means 11 calculates the knowledge level parameter of each user related to the target field of the mailing list using a predetermined equation based on, for example, the number of utterances, the number of citations, and the subscription period of each user. By doing so, the knowledge level of each user is quantified. This value is stored in the knowledge level parameter DB 9. This value is updated accordingly.
[0024]
Here, the number of utterances refers to the number of times of e-mail transmitted to the server 1 in order to broadcast the e-mail to each user, and the greater the number, the more actively speaking. The number of citations is the number of times quoted by another user's email, for example, the number of emails sent to the server 1 as a reply to an already delivered email. For example, when an e-mail having a content that becomes a topic among users is transmitted, a reply e-mail to the e-mail is distributed to each user. The number of citations can also be obtained by detecting and counting In-Reply-To in the email header. The subscription period is a period in which each user subscribes to the mailing list. In-Reply-To has an ID that uniquely identifies a mail, and to which mail the mail is a reply can be determined by examining In-Reply-To.
[0025]
According to the present inventor, the number of utterances, the number of citations, and the subscription period are correlated with the knowledge level regarding the target field of the mailing list, and the larger the value, the higher the knowledge level, and the smaller the value, the lower the knowledge level. It turns out that it is in a tendency. Therefore, based on these, the knowledge level parameter can be objectively calculated. Among them, the number of utterances was found to be the most important for knowing the knowledge level. Therefore, it is preferable to calculate the knowledge level parameter by placing importance on the number of utterances rather than the number of citations and the subscription period.
[0026]
In the present embodiment, the knowledge level parameter is calculated using three of the number of utterances, the number of citations, and the subscription period, but may be calculated using at least one of these. The knowledge level parameter can also be calculated based on the number of words in the e-mail that each user has sent to the mailing list so far. That is, a user with a larger number of words tends to speak more actively, so the knowledge level tends to be higher, while a user with a smaller number of words tends to have a lower knowledge level.
[0027]
For example, as shown in the table of FIG. 4, the basic information DB 13 stores data on the number of utterances, the number of citations, and the subscription period of each user. The number of utterances and the number of citations are extracted by the e-mail processing means 5 and stored in the basic information DB 13. The subscription period is calculated by the server computer 1 based on the subscription date of the user and stored in the basic information DB 13.
[0028]
The functions of the e-mail receiving unit 3, the e-mail processing unit 5, the e-mail transmitting unit 7, and the knowledge level parameter calculating unit 11 can be realized by, for example, various processors (CPU, MPU) or ASIC and a predetermined program. it can. The functions of the knowledge level parameter DB 9, the basic information DB 13, and the mailing list 14 can be realized by a semiconductor memory such as a hard disk or an EEPROM that can store information.
[0029]
Next, an example of the operation of the server computer according to the present embodiment will be described. FIG. 5 is a flowchart for explaining this. First, the server 1 according to the present embodiment shown in FIG. 1 has the number of utterances and citations of each user's email transmitted to the server 1 to deliver the email to each user in the mailing list, and each user's Based on the subscription period of the mailing list, knowledge level parameters are calculated in advance for each user. This is achieved by calculation by the knowledge level parameter calculation means 11 based on the data stored in the basic information DB 13 of FIG. The calculated numerical value is stored in the knowledge level parameter DB 9 (step S1).
[0030]
Next, for example, user A shown in FIG. 1 transmits an e-mail to the server 1 (step S3). This e-mail is received by the e-mail receiving means 3 shown in FIG. 2 and sent to the e-mail processing means 5. The e-mail processing means 5 performs processing for distributing the e-mail to each user such as user B, user C, user D,. In the course of this process, the knowledge level parameter adding means 15 of the e-mail processing means 5 accesses the knowledge level parameter DB 9 to extract the knowledge level parameters of the e-mail transmission source (in this case, user A), and e-mail. The knowledge level parameter is added to the header of (step S5).
[0031]
FIG. 6 is a diagram showing a part of an e-mail text that has been processed to add a knowledge level parameter to the e-mail header. “X-Knowledge Parameter: 10” in FIG. 6 is a code indicating the knowledge level parameter of the user who transmitted the e-mail, and in this example, the numerical value 10 is the knowledge level parameter. As described above, since any text can be inserted after “X-” in the header, a knowledge level parameter can be easily added.
[0032]
In the present embodiment, the knowledge level parameter calculating means 11 calculates the knowledge level parameter of the user based on the data of the user who transmitted the e-mail stored in the basic information DB 13, and the value is added to the knowledge level parameter adding means. 15 may be added to the email header. In this way, it is not necessary to provide the knowledge level parameter DB 9. Alternatively, the knowledge level parameter may be written to the knowledge level parameter DB 9 from outside the server 1 without being calculated by the knowledge level parameter calculation means 11. Further, the knowledge level parameter may not be added to the header but may be added to the body of the e-mail.
[0033]
Next, the e-mail with the knowledge level parameter added to the header is distributed to the terminals of each user such as user B, user C, user D,... By the e-mail transmission means 7 (step S7). Then, the distribution list of the distributed electronic mail is displayed on the terminal of each user's computer. (Step S9).
[0034]
FIG. 7 shows an example of an e-mail reception list displayed on the user's terminal. This is displayed on the terminal of user D. The email address of the user who is the sender of the email is displayed in the sending user column, the subject of the email of the sending user is displayed in the subject column, and the knowledge level parameter of the sending user is a numerical value in the sending user knowledge level column. The reception date / time column displays the reception date / time of the electronic mail transmitted from the transmission user.
[0035]
Here, the user D can judge the knowledge level parameter of the sending user based on the numerical value in the sending user knowledge level column, and can select whether or not to open the mail (read the contents of the mail). For example, as shown in FIG. 3, the knowledge level parameter of user D (Ichiro Yamamoto) is higher than that of other users. For this reason, user D can discard e-mails from beginner or intermediate users who have a knowledge level parameter of 10 or 50 if he / she feels sparse, and can dispose of them without opening them. You can open it if you like. Therefore, according to the present embodiment, since an advanced user can refuse to read an e-mail of a beginner user, it is possible to prevent an aggressive reply mail of an advanced user and unsubscribe from a mailing list of an advanced user, and to activate the mailing list. it can.
[0036]
On the other hand, this browsing refusal system allows beginner users to send emails to the mailing list without being reluctant to advanced users, so that the mailing list can also be activated from this point of view. In addition, since the contents of e-mails of advanced users are often difficult, beginner and intermediate users can discard e-mails of advanced users without opening them, and can open them if interested.
[0037]
Further, in the present embodiment, knowledge about each user is based on an e-mail (for example, the number of utterances of each user) transmitted from each user to the server 1 in order to deliver an e-mail to each user registered in the mailing list. The level parameter is calculated. In general, each user wants to improve his knowledge level. By calculating the knowledge level parameter as described above, each user actively speaks to the mailing list, so that the mailing list can be activated.
[0038]
Instead of displaying the numerical value of the knowledge level parameter according to the settings of the e-mail software installed on each user's terminal (computer, portable terminal, etc.) It can be displayed on the terminal as an intermediate user and an intermediate user. And a user's level is not restricted to three steps, You may divide into two steps and may divide into four steps or more.
[0039]
In the server computer 1 according to the present embodiment, the knowledge level parameter adding means 15 adds the knowledge level parameter of each user stored in the knowledge level parameter DB 9 to the header of the e-mail transmitted to each user. May be. In this way, in addition to the knowledge level parameter of the user who transmitted the e-mail, the own knowledge level parameter is transmitted to the terminal of each user to whom the e-mail is distributed.
[0040]
For example, when the user A shown in FIG. 1 sends an email to the server computer 1, the knowledge level parameters of the users A and B are added to the header of the email delivered to the user B and delivered to the user C. Knowledge level parameters of users A and C are added to the header of the electronic mail, and knowledge level parameters of users A and D are added to the header of the electronic mail delivered to user D. For example, a reception list as shown in FIG. 8 is displayed on the terminal of the user D. The difference between the display of the reception list of FIG. 8 and that of FIG. 7 is that a reception user knowledge level column in which the knowledge level parameters of the reception user are displayed in numerical form is set in FIG. (The knowledge level parameter of user D is displayed).
[0041]
Therefore, each receiving user can determine the knowledge level of the transmitting user by comparing the knowledge level parameter of the transmitting user with his / her own knowledge level parameter. As a result, each receiving user can accurately determine the knowledge level of the transmitting user. In particular, in the present embodiment, the knowledge level parameter of each user is calculated based on the number of utterances, the number of citations, and the subscription period, so the knowledge level parameter changes with time. For this reason, each user may not be able to grasp his / her own knowledge level. If the knowledge level of the receiving user is displayed in addition to the knowledge level of the transmitting user as in the present embodiment, it is convenient for the receiving user.
[0042]
Next, an e-mail receiving apparatus according to this embodiment will be described. This e-mail receiving apparatus may be installed in each user's terminal (such as a computer or a portable terminal) that receives the e-mail, or may be separately provided.
[0043]
FIG. 9 is a block diagram showing a configuration of an example of the electronic mail receiving apparatus 17 according to the present embodiment. The e-mail receiving device 17 includes an e-mail receiving unit 19 that receives an e-mail transmitted from the server computer 1 and a knowledge level determining unit 21 that determines the knowledge level of the user who is the transmission source of the e-mail. The knowledge level setting means 23 for arbitrarily setting the value of the knowledge level parameter by the user of the e-mail receiving device 17, and the knowledge level parameter of the e-mail received by the e-mail receiving means 19 are stored in advance in the knowledge level setting means 23. An e-mail deleting unit 25 that deletes this e-mail when it is lower than the set knowledge level parameter, and an e-mail storing unit 27 that stores other e-mails.
[0044]
The knowledge level determination means 21 is configured such that the knowledge level parameter of the transmission source (that is, the user who sent the e-mail) added to the e-mail transmitted from the server computer 1 and received by the e-mail receiving means 19 is the knowledge level setting means. 23, it is determined whether or not it is lower than the knowledge level parameter arbitrarily set. If it is determined that the knowledge level is low, the knowledge level determination means 21 sends the email to the email deletion means 25. The e-mail deleting unit 25 performs processing for deleting the e-mail. Therefore, the electronic mail does not reach the user of the electronic mail receiving device 17. On the other hand, if it is not determined that the knowledge level parameter is low, the knowledge level determination means 21 sends the e-mail to the e-mail storage means 27. The user of the electronic mail receiving device 17 can open the electronic mail.
[0045]
As described above, according to the electronic mail receiving apparatus 17 according to the present embodiment, an electronic mail from a user having a knowledge level parameter lower than a preset knowledge level parameter can be automatically deleted. Thereby, the trouble of the advanced user who does not want to browse the electronic mail from the beginner user can be saved.
[0046]
Next, another example of the electronic mail receiving apparatus according to this embodiment will be described. FIG. 10 is a block diagram showing the configuration of this apparatus. The same components as those of the electronic mail receiving device 17 shown in FIG. The electronic mail receiving device 29 shown in FIG. 10 includes a display unit 31 instead of the electronic mail storage unit 27 and the electronic mail deletion unit 25 of the electronic mail receiving device 17 of FIG. The display unit 31 displays a reception list of emails received by the email receiving unit 19.
[0047]
If the knowledge level determination means 21 determines that the knowledge level parameter of the user who sent the email is lower than the knowledge level parameter arbitrarily set by the knowledge level setting means 23, the display means 31 receives the email. The display form of this e-mail in the list is made different from other e-mails. The different display form is, for example, a highlight display such as red.
[0048]
Therefore, according to the e-mail receiving device 29 according to the present embodiment, it is possible to alert the user who has received this e-mail about e-mail from a user having a knowledge level parameter lower than the preset knowledge level parameter. . As a result, it is possible to prevent an advanced user who does not want to browse an e-mail from a beginner user from opening this e-mail. It should be noted that the same effect can be achieved by not displaying e-mails from users having knowledge levels that do not want to be browsed in the e-mail reception list instead of displaying them in different display forms. Since this e-mail is stored in the e-mail receiving device 29, this e-mail can be opened if desired to be viewed.
[0049]
【The invention's effect】
As described above, according to the server computer of the present invention, the knowledge level parameter of the user who is the transmission source of the e-mail is added to the e-mail that is broadcast to each user. Therefore, since each user can process the delivered email based on this knowledge level parameter, each user can selectively browse or refuse to view the email of the user of the desired knowledge level. Can be. As a result, each user can use the mailing list in accordance with his / her knowledge level, so that the mailing list can be activated.
[0050]
According to the first e-mail receiving apparatus of the present invention, when the knowledge level parameter added to the received e-mail is lower than a preset level, the e-mail is deleted. Save time and effort.
[0051]
According to the second e-mail receiving apparatus of the present invention, when the knowledge level parameter added to the received e-mail is lower than a preset level, the e-mail list displayed on the display means The display form of e-mail is different from other e-mails. Therefore, it is possible to alert the user who has received this e-mail, so that it is possible to prevent an e-mail from a user having a knowledge level that is not desired to be browsed from being opened by mistake.
[Brief description of the drawings]
FIG. 1 is a diagram showing an outline of a mailing list according to an embodiment of the present invention.
FIG. 2 is a block diagram showing a configuration of a server computer according to an embodiment of the present invention.
FIG. 3 is a diagram illustrating an example of data stored in a knowledge level parameter DB of a server computer according to an embodiment of the present invention.
FIG. 4 is a diagram showing an example of data stored in a basic information DB of a server computer according to an embodiment of the present invention.
FIG. 5 is a flowchart illustrating an example of the operation of a server computer according to an embodiment of the present invention.
FIG. 6 is a diagram showing a part of an example of e-mail text that has been subjected to processing for adding a knowledge level parameter to an e-mail header by a server computer according to an embodiment of the present invention;
FIG. 7 is a diagram showing an example of an e-mail reception list distributed by a server computer according to an embodiment of the present invention and displayed on a terminal of each user's computer.
FIG. 8 is a diagram showing another example of an e-mail reception list distributed by a server computer according to an embodiment of the present invention and displayed on a terminal of each user's computer.
FIG. 9 is a block diagram showing a configuration of an electronic mail receiving apparatus according to an embodiment of the present invention.
FIG. 10 is a block diagram showing a configuration of an electronic mail receiving device according to another embodiment of the present invention.
[Explanation of symbols]
1 ... Server computer
3. E-mail receiving means
5. E-mail processing means
7. E-mail transmission means
9 ... Knowledge level parameter database
11 Knowledge level parameter calculation means
13. Basic information database
14 ... Mailing list
15 ... Knowledge level parameter addition means
17 ... E-mail receiver
19: E-mail receiving means
21 ... Knowledge level judgment means
23 ... Knowledge level setting means
25. E-mail deleting means
27. E-mail storage means
29 ... E-mail receiving device
31 ... Display means

Claims (6)

An e-mail receiving means for receiving an e-mail from a transmission source user registered in the mailing list;
Knowledge that calculates a knowledge level parameter for causing the e-mail receiving device used by the recipient user to make a determination regarding at least one of the classification, deletion, and display of the e-mail according to the knowledge level of the sender user Parameter generation means;
The knowledge level parameter computed by the knowledge parameter generating means for source Der Ruyu over THE of the electronic mail, and knowledge level parameter adding means for adding the received electronic mail in the e-mail receiving means,
An e-mail transmission means for broadcasting the e-mail to which the knowledge level parameter of the transmission source user is added to each user registered in the mailing list;
A server computer comprising:   The knowledge level parameter of each user is calculated and updated based on at least one of the number of utterances of each user registered in the mailing list, the number of citations of each user, and the subscription period to the mailing list. 2. The server computer according to claim 1, further comprising knowledge level parameter calculation means. The knowledge level parameter adding means, according to claim 1 or 2, wherein the server computer is characterized in that the addition of knowledge level parameter source Der Ruyu over THE this e-mail to the e-mail header . The electronic device in which the knowledge parameter is added from a server computer that calculates a knowledge level parameter in accordance with the knowledge level of the user who is the transmission source and adds the knowledge level parameter to the electronic mail transmitted from the user registered in the mailing list. E-mail receiving means for receiving e-mail;
If the knowledge level indicated by the knowledge level parameter added to the email received by the email receiving means is lower than a preset level, an email deleting means for deleting the email;
An e-mail receiving apparatus comprising: The electronic device in which the knowledge parameter is added from a server computer that calculates a knowledge level parameter in accordance with the knowledge level of the user who is the transmission source and adds the knowledge level parameter to the electronic mail transmitted from the user registered in the mailing list. E-mail receiving means for receiving e-mail;
When the knowledge level indicated by the knowledge level parameter added to the e-mail received by the e-mail receiving means is lower than a preset level, the display form of this e-mail in the e-mail receiving list is changed to another e-mail. Display means to display differently from email,
An e-mail receiving apparatus comprising: The electronic device in which the knowledge parameter is added from a server computer that calculates a knowledge level parameter in accordance with the knowledge level of the user who is the transmission source and adds the knowledge level parameter to the electronic mail transmitted from the user registered in the mailing list. E-mail receiving means for receiving e-mail;
When the knowledge level indicated by the knowledge level parameter added to the e-mail received by the e-mail receiving means is lower than a preset level, display means for hiding the e-mail in the e-mail receiving list When,
An e-mail receiving apparatus comprising:

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