JP3818404B2 - An electronic mail terminal and a storage medium storing an electronic mail terminal control program. - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an e-mail terminal that exchanges information by e-mail and a storage medium that stores a control program for the e-mail terminal, and in particular, exchanges information while displaying the importance of information exchanged by e-mail. About things.
[0002]
[Prior art]
Electronic mail (hereinafter simply referred to as mail) is a communication means that allows each individual to write a message and send it to the other party at the speed of a telephone when there is enough time, such as a letter.
[0003]
The operation of the e-mail system will be described below.
[0004]
The sender of the mail sends information (hereinafter referred to as a mail message) composed of the mail text and attribute information such as the sender, title, destination, etc. from the sending terminal such as SMTP (Simple Mail Transfer Protocol). Based on the communication agreement, the message is sent to the receiving server via the sending server.
[0005]
Here, the transmission terminal is a communication terminal provided with a man-machine interface or the like for mail transmission.
[0006]
In sending and receiving mail, the sending server serves as a post box, and the receiving server serves as a post office that manages a destination post office box.
[0007]
A mail recipient uses a communication terminal (hereinafter referred to as a receiving terminal) equipped with a man-machine interface for receiving and browsing mails from a receiving server to a POP3 (Post Office Protocol Version 3) communication. The received mail is read based on the agreement.
[0008]
In the above-described e-mail system, the transmission server and the reception server exist on different machines, and the method in which each machine is connected through communication has been described. There is a method in which both the server and the server exist on the same machine, and communication is not performed when the mail message is sent to the destination.
[0009]
Furthermore, there are a method in which the transmission terminal and the transmission server exist on the same machine and communication is not performed between them, and a method in which the reception server and the reception terminal are the same machine and communication is not performed between them.
[0010]
The receiving terminal reads a mail message received by the receiving server, and displays a list of received mails using attribute information attached thereto. This also serves as a means for the receiver to select mail to be read depending on the title name, sender name, and the like.
[0011]
When exchanging information via e-mail, it is necessary to read mails with high importance among received e-mails as soon as possible after receiving them, but mail with low importance can be read when time is available. It has the convenience of combining the advantages of both letters and telephones.
[0012]
On the other hand, there is a problem that important information cannot be smoothly transmitted in some cases because the receiver side does not necessarily match the intention of the sender with respect to the importance of each received mail.
[0013]
In addition, since “importance” in an email message includes the meaning of “priority” and “emergency” of the information transmission, the word “importance” is used in the following description. It is used as a broad term including the meaning of.
[0014]
In order to solve the above problem, a mail system in which information indicating importance is added to attribute information of a mail message and the receiver can confirm the importance information attached by the sender has already been put into practical use. Yes.
[0015]
Hereinafter, an example of this mail message will be described based on the specification of RFC822 (Request ForComment 822), which is the most commonly used mail message format on the Internet.
[0016]
First, attribute information such as sender, destination, and title of a mail message is displayed in the order of a character string that defines the type of information, a delimiter “: (colon)”, and a value or character string that indicates the contents of the attribute information. This is formed by arranging the items defined in the format to be separated by line feed characters.
[0017]
For example, the attribute information indicating the sender includes “From” indicating the type of information “sender” and “:” according to the specification of RFC822, and the mail address of the sender, for example, “k.aoki@broker.co.jp”. "From: k.aoki@broser.co.jp".
[0018]
Further, RFC822 allows a user (actually a software developer) to freely expand the type of attribute information as long as it does not violate the rules of RFC822. At this time, it is recommended that the character string defining the type of data be prefixed with “X-”. Currently, in the industry standard, there is a data type “X-Priority” as information that can describe the importance (priority), and 1 to 5 can be set as the value. The smaller the setting value is, the higher the importance is, and the standard is 3. That is, the importance attached to the mail having the highest importance is expressed as “X-Priority: 1”.
[0019]
[Problems to be solved by the invention]
However, in the above-mentioned conventional mail system, since the importance that can be set is an absolute value, there is a problem that it is impossible to send a mail with a higher importance than a mail with the highest importance once sent. It was. For example, if you later send an email to cancel the content of the email with the highest importance, you cannot set a higher importance than the email you want to cancel, so the recipient will be treated the same, The sender's intention was not fully communicated.
[0020]
The present invention has been made to solve the above-described problems, and an object thereof is to provide an e-mail terminal capable of performing smooth information exchange and a storage medium storing an e-mail terminal control program. .
[0021]
[Means for Solving the Problems]
[0022]
[0023]
[0024]
In order to achieve this object, claim 1 is provided. The e-mail terminal receives any of the mail message information from the body information that is the body information, the title information that is the title information, the destination information that is the destination information, and the mail message information that has already been transmitted to the destination. Receiving means for receiving mail message information having reference mail information for specifying, relative importance information indicating relative importance with respect to the reference mail information; and absolute of the mail message information specified by the reference mail information Absolute importance information determining means for determining the absolute importance information of the mail message information received by the receiving means from the absolute importance information indicating general importance and the relative importance information, and received by the receiving means At least a part of the mail message information and the information determined by the absolute importance information determining means Absolute importance information in correspondence with the absolute importance indicated is characterized in that a display means for displaying.
Claim 2 Email terminals at Claim 3 An input unit for inputting the text information, the title information, the destination information, the reference mail information, and the relative importance information, and the input unit. The destination information indicates storage means for storing the body information, the title information, the destination information, the reference mail information, and the relative importance information, and mail message information having each information stored by the storage means. A transmission means for transmitting to a destination is provided.
Claim 3 The storage medium is a computer of an electronic mail terminal that is selected from text information that is text information, title information that is title information, destination information that is destination information, and mail message information that has already been sent to the destination. Receiving means for receiving e-mail message information having reference mail information for specifying e-mail message information, and relative importance information indicating relative importance to the reference e-mail information, and specified by the reference e-mail information Absolute importance information determining means for determining the absolute importance information of the mail message information received by the receiving means from the absolute importance information indicating the absolute importance of the mail message information and the relative importance information; At least a part of the mail message information received by the receiving means and the absolute importance information determination; Storing electronic mail terminal control program to function as a display means for displaying in correspondence with the absolute importance indicated by the absolute importance information determined by the means.
[0025]
[0026]
[0027]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
[0028]
As shown in FIG. 1, the electronic mail system according to the present embodiment includes a transmission terminal 1 and a transmission server 2 as a transmission side, and a reception server 3 and a reception terminal 4 as a transmission destination.
[0029]
The transmission terminal 1 is configured by connecting a CPU 110, a program memory 111, a working memory 112, a transmitted memory 113, an input unit 114, and a communication unit 115 via a bus 116.
[0030]
The transmission server 2 is configured by connecting a CPU 120, a program memory 121, a working memory 122, a transmission queue 123, and a communication unit 125 via a bus 126.
[0031]
The reception server 3 is configured by connecting a CPU 130, a program memory 131, a working memory 132, a reception spool 133, and a communication unit 135 via a bus 136.
[0032]
The receiving terminal 4 is configured by connecting a CPU 140, a program memory 141, a working memory 142, a receiving memory 143, an input unit 144, a communication unit 145, and a display unit 147 as an importance level display unit via a bus 146. .
[0033]
The transmitting terminal 1 receives an input of a mail message from a sender and sends a transmission request to the transmitting server 2.
[0034]
A mail message of the electronic mail system is composed of a mail body and attribute information as additional information of the mail. The attribute information includes transmission source information for identifying the sender, destination information for identifying the destination, importance information indicating the importance of the mail, and criteria for identifying the mail that has already been transmitted as a reference for the importance information. Includes mail information.
[0035]
The transmission terminal 1 is configured as follows.
[0036]
The CPU 110 governs overall control of the transmission terminal 1.
[0037]
The program memory 111 stores a program that defines the control method of the transmission terminal 1, and the working memory 112 stores temporary data generated during control execution in the CPU 110. The transmitted memory 113 stores necessary information such as all mail messages or attribute information therein as history information of mail transmission.
[0038]
The transmitted memory 113 is provided for each sender, and only those related to the person who currently uses the transmission terminal 1 can be referred to. Therefore, the importance information is not violated indirectly, such as changing the relative importance of mail sent by another person and giving priority to the mail sent by the user.
[0039]
The input unit 114 is connected to a device that receives input from a user as a sender, such as a pointing device such as a keyboard and a mouse, and receives an input of a mail message to be transmitted. The communication unit 115 transmits the mail message input by the user via the input unit 114 to the transmission server 2 together with a transmission request command.
[0040]
The transmission server 2 receives a transmission request command and an input of a mail message to be transmitted from the transmission terminal 1, selects a reception server 3 as a transmission destination based on destination information in the mail message, Send an email message to
[0041]
The transmission server 2 is configured as follows.
[0042]
The CPU 120 governs overall control of the transmission server 2.
[0043]
The program memory 121 stores a program that defines the control method of the transmission server 2, and the working memory 122 stores temporary data generated during control execution in the CPU 120. The transmission queue 123 is a memory that stores a mail message waiting for transmission. The e-mail waiting for transmission periodically enters the transmission process, and is transmitted when the communication connection with the destination receiving server 3 is established, and the contents are deleted. The communication unit 125 receives a command from the transmission terminal 1 and also transmits a mail message to the reception server 3.
[0044]
The receiving server 3 receives the input of the mail message from the transmitting server 2, manages the received mail message based on the destination information in the mail message, and responds to the request from the receiving terminal 4 to receive the mail message. Send to.
[0045]
The receiving server 3 is configured as follows.
[0046]
The CPU 130 governs overall control of the receiving server 3.
[0047]
The program memory 131 stores a program that defines the control method of the receiving server 3, and the working memory 132 stores temporary data generated during control execution in the CPU 130. The reception spool 133 stores the received mail message so that it can be taken out for each destination. The communication unit 135 receives a mail message from the transmission server 2 and also transmits the mail message to the receiving terminal 4.
[0048]
The receiving terminal 4 issues a mail message transmission request to the receiving server 3, and receives and displays the mail message sent in response thereto.
[0049]
The receiving terminal 4 is configured as follows.
[0050]
The CPU 140 governs overall control of the receiving terminal 4.
[0051]
The program memory 141 stores a program defining a control method of the receiving terminal 4, and the working memory 142 stores temporary data generated during the control execution in the CPU 140. The reception memory 143 stores received mail messages so that they can be retrieved one by one. The input unit 144 receives an input of an instruction for browsing the viewer's mail, and the communication unit 145 issues a request to send the received mail to the receiving server 3 and receives a mail message corresponding to the request. The display unit 147 is connected to an output device such as a display device or a printing device, and displays a list of received emails and a selected email message to the viewer.
[0052]
In a general electronic mail system, the transmission server 2 and the reception server 3 exist as software on the same machine, and the transmission server 2 and the reception server have a configuration that does not involve communication for sending mail messages between them. It is also possible to use a configuration in which mail messages are stored in a storage area corresponding to a destination without distinction of three.
[0053]
Further, the transmission terminal 1 and the transmission server 2 exist as software on the same machine, and a configuration in which communication is not involved in sending a mail message between them, or the reception terminal 4 and the reception server 3 are software on the same machine. It is also possible to use a configuration that does not involve communication for sending mail messages in the meantime.
[0054]
In the present embodiment, the same effects can be obtained even if these modified configurations are used. That is, the present invention is applicable regardless of the configuration of the electronic mail system.
[0055]
Hereinafter, information exchange processing using a mail message accompanied by importance information by the electronic mail system will be described in detail.
[0056]
First, the format of a mail message in this electronic mail system will be described with reference to FIG.
[0057]
The basic mail message format conforms to RFC822 described in the section of the prior art. In the RFC822 format, attribute information is defined at the beginning of a mail message, and a text is defined after a blank line.
[0058]
Various information can be added to the attribute information. In the present e-mail system, “From” that defines the sender information by the mail address and “Address” that defines the destination information by the mail address “ “To”, “Subject” which is information of the title of the mail, and “X-Priority” as importance information defined by a numerical value of 1 to 5 (smaller is important, 3 is standard) ”And“ X-Priority-Base ”as reference mail information, which is information for setting a reference for the relative evaluation of the importance of the mail to be transmitted this time, among the already transmitted mail messages.
[0059]
As shown in FIG. 2, the “X-Priority-Base” is obtained from a character string 21 extracted from a “Subject” character string of a sent mail message as a reference for relative evaluation, and a data size 22 of the body text. Defined. Further, the delimiter of information between the character string 21 and the data size 22 is indicated by “; (semicolon)”.
[0060]
It should be noted that values other than 1 to 5 can be set as “X-Priority”, and various changes can be made to “X-Priority-Base”. For example, if definition by attribute information is possible, other arbitrary information on a mail message can be used instead of the data size or the like. In addition, it is possible to use a method of giving unique identification information to all mail messages and instructing by the identification information, a method of instructing a keyword in the mail message, and instructing a mail message including the keyword. it can.
[0061]
Next, processing at the time of mail transmission and reception in the electronic mail system will be described.
[0062]
Note that communication between the transmission terminal 1 and the transmission server 2, between the transmission server 2 and the reception server 3, and between the reception server 3 and the reception terminal 4 can be realized within the scope of known technology. Description is omitted. Hereinafter, a process of adding importance information at the transmitting terminal 1 and transmitting, which is a main part of the electronic mail system, and a mail with importance information attached at the receiving terminal 4 are received, and a list thereof is displayed. The display process will be described in detail.
[0063]
First, the mail transmission process in the transmission terminal 1 will be described in detail with reference to the flowchart of FIG.
[0064]
First, from the user interface for mail transmission, input of the text of the mail and information such as the title and destination is received via the input unit 114 (S31 and S represent steps, and so on).
[0065]
Next, the operator is instructed about the importance level information and reference mail information of the mail, and the result is input via the input unit 114 (S32).
[0066]
The transmission terminal 1 provides a user interface as shown in FIG. In the importance level setting box 41, the setting of the importance level information can be selected from one of “extremely high”, “high”, “standard”, “low”, and “extremely low”. That is, when the button 411 is clicked with a pointing device such as a mouse, selection candidates appear as shown in FIG. 4B, and importance information is selected by clicking a desired item from the selection candidates.
[0067]
The reference mail information is selected from the reference mail setting box 42. In the reference mail setting box 42, the information of the already sent mail is read from the sent memory 113, and the destination and title are displayed. In addition, in the reference mail setting box 42, an item “not specified” is also provided so that absolute importance information can be set as usual. Then, by clicking a desired item from the displayed items with the pointing device, the reference mail information is selected.
[0068]
Note that the reference mail information is not limited to the mail message in the transmitted memory 113. For example, other mail information can be obtained and set in this information. However, for example, setting the importance level based on another person's mail is not preferable for the reason described above. Therefore, in the present transmission terminal 1, the selection target is limited to the mail message in the transmitted memory 113 and related to the operator who is currently using the present transmission terminal 1.
[0069]
When the OK button 43 is clicked after the selection is completed, the selection becomes valid and is used in the subsequent processing. When the Cancel button 44 is clicked, the selection is invalidated, the importance level information is “standard”, and the reference mail information is “not specified”.
[0070]
Next, a mail message in the format shown in FIG. 2 is generated (S33). In the attribute information, a preset operator's own mail address is automatically inserted in the “From” portion, the input title and destination information are set in “Subject” and “To”, and “X- In the “Priority”, the input importance information is set as a value obtained by converting the level of “extreme high” to “extreme low” selected in the importance setting box 41 from 1 to 5, and “X− It is generated by setting the title of the mail and the size of the text specified as the reference mail information in “Priority-Base”. Then, by setting the mail text after a blank line in the attribute information, the mail message in the data format shown in FIG. 2 is generated.
[0071]
Finally, the generated mail message is transmitted to the transmission server 2 via the communication unit 115 (S34).
[0072]
Next, processing for displaying a list of received mails on the receiving terminal 4 will be described. This function displays a list of received mails to the operator, presents the importance level of each mail in an accurate format, and helps to decide the priority of browsing.
[0073]
The display unit 147 of the receiving terminal 4 displays a list of received mails in the format of FIG. 5 (a) or (b).
[0074]
FIG. 5A shows a format in which importance is displayed by an absolute value (hereinafter referred to as an absolute display format), and the importance of each mail is displayed by an evaluation value described later. The evaluation value is assumed to be more important as the value is smaller.
[0075]
FIG. 5B shows the importance in a format (hereinafter referred to as a relative display format) in which the importance is displayed as a relative value between the mails. In this format, the importance level is displayed so as to indicate the correlation with the reference mail. An email with a “○” mark on the left indicates that the importance is higher. “+-” Indicates that there is a related mail having a higher importance than the mail related to the mail.
[0076]
Hereinafter, the storage format in the reception memory 143 will be described.
[0077]
The received mail message is assigned a number called a mail ID that identifies the mail message stored in the reception memory 143. Each mail message is stored in the reception memory 143 while being managed by the mail ID. The reception memory 143 stores a result of evaluating importance based on importance information and reference mail information, called an importance table, in a predetermined format.
[0078]
This importance table will be described with reference to FIG.
[0079]
6A is a conceptual diagram of the data format of the importance table in the case of the absolute display format, and FIG. 6B is a conceptual diagram of the data format of the importance level table in the case of the relative display format.
[0080]
First, the absolute display format data of FIG. 6A will be described. This importance level table stores a mail ID 61, a title 62, a body size 63, and an importance evaluation value 64 for each mail message.
[0081]
Here, the title 62 is a title defined in the mail message, that is, a character string defined in “Subject” in FIG. The body size 63 is the data size of the body of the mail message. Since the title 62 and the body size 63 have a corresponding relationship with the information defined in the reference mail information, they must have the same data representation format. If one data representation format is changed, the other Needs to be changed according to the format.
[0082]
The evaluation value 64 is information representing the importance of the mail message. The calculation and storage processing of the evaluation value 64 will be described using the flowchart of FIG.
[0083]
First, reference mail information is read from an email message for which an evaluation value is to be obtained (hereinafter referred to as a target mail message), and an importance table that already exists in the reception memory 143 is searched based on the read reference mail information. A message ID of a mail message (hereinafter referred to as a reference mail message) designated by the reference mail information is obtained (S71). That is, among the received mail messages recorded in the reception memory 143, those that match the title and body size defined in “X-Priority-Base” of the target mail message (reference mail message) Is retrieved from the data in the importance table, and the mail ID is read out.
[0084]
If there is a reference mail message (S72: Yes), the evaluation value of the target mail message is calculated and stored in a predetermined area (S73).
[0085]
The evaluation value is obtained by subtracting the standard value 3 from the importance level information (value defined by “X-Priority”) of the target mail message and adding the evaluation value of the reference mail message obtained in S71. Defined.
[0086]
That is, when 5 is specified for “X-Priority”, an evaluation value obtained by adding 2 to the evaluation value of the reference mail message is an evaluation value. When 2 is specified for “X-Priority”, the reference mail message is set. The evaluation value is obtained by adding (-1) to the evaluation value.
[0087]
On the other hand, if the reference mail message is not in the importance table, or if the reference mail information is “not specified” (S72: No), the value obtained by simply subtracting the standard value 3 from the importance information of the mail message of interest is evaluated. Calculated as a value and stored in a predetermined area (S74). Thereby, as shown in FIG. 5A, the standard value is set to 0, and the evaluation value that is more important as the value is smaller can be calculated.
[0088]
Next, the relative display format importance level table of FIG. 6B will be described. In this table, the root mail ID 65 is only added to the absolute display format shown in FIG. Therefore, the importance information in the absolute display format can be displayed even by using the importance table in the relative display format shown in FIG. 6B. In this sense, the data format shown in FIG. It can be said that it is more versatile.
[0089]
The root mail ID 65 is a mail message that cannot be traced any further as a result of going back to the reference relation of the mail message based on the standard mail information, that is, the mail message in the position corresponding to the root in the reference relation of the standard mail information. This is data for storing a mail ID.
[0090]
Hereinafter, processing for calculating an evaluation value, obtaining a root mail ID, and storing it in the relative display format shown in FIG. 6B will be described with reference to the flowchart of FIG. The process is the same as the absolute display format except for the process of obtaining the root mail ID 65. That is, the processes in S71, S72, S73, and S74 are the same as those described above.
[0091]
If there is a reference mail message (S72: Yes), the evaluation value is calculated and stored in S73, and then the root mail ID is read and stored (S75). Since the root mail ID is the same value as the root mail ID of the reference mail message, the value is stored. However, if the root mail ID of the reference mail message is empty (represented by -1), the mail ID of the reference mail message is stored because the reference mail message is the root.
[0092]
Further, when there is no reference mail message or when the reference mail information is “not specified” (S72: No), the route mail ID is stored as empty (−1) (S76).
[0093]
Based on the evaluation value 64 and the root mail ID 65, each evaluation value of the mail message group having the same root mail ID 65 is compared with the evaluation value of the mail message indicated by the root mail ID. Since the display method as shown in b) can be performed by a known technique, the detailed description thereof is omitted.
[0094]
By using both the absolute display format and the relative display format, it becomes very easy for the receiver to determine the importance of two or more mail messages that refer to different reference mail messages. That is, even if two mail messages having the same importance with respect to the reference mail message are used, the one with the higher importance of the reference mail message itself is absolutely higher in importance. When used in combination with the relative display format, the sender can take measures such as correcting emails and urgent communications for email messages of any importance, and at the same time the receiver can instantly determine the relative relationship of each email message. In addition to being able to grasp, it is possible to select and access from the most important mail messages.
[0095]
The present invention is not limited to the embodiment described above, and various modifications can be made without departing from the scope of the invention.
[0096]
【The invention's effect】
As is clear from the above description, according to the present invention, it is possible to exchange information more smoothly by enabling relative designation of the importance of mail. E-mail terminal and storage medium storing e-mail terminal control program Can be provided.
[0097]
That is, according to the electronic mail terminal of claim 1, at least a part of the mail message information received by the receiving means by the display means and the absolute importance determined by the absolute importance information determining means Since the absolute importance indicated by the degree information is displayed in correspondence with each other, the user can easily confirm the importance of the mail message information.
Also, Claim 2 According to e-mail terminal Claim 1 In addition to the effect of the electronic mail terminal, the mail message information can be transmitted.
Claim 3 According to the storage medium, the computer of the e-mail terminal is connected to text information that is text information, title information that is title information, destination information that is destination information, and mail message information that has already been sent to the destination. Receiving means for receiving mail message information having reference mail information for identifying any of the mail message information, and relative importance information indicating relative importance with respect to the reference mail information; and the reference mail information Absolute importance information determination for determining the absolute importance information of the mail message information received by the receiving means from the absolute importance information indicating the absolute importance of the specified mail message information and the relative importance information Means, information of at least part of the mail message information received by the receiving means, and the absolute importance The absolute importance indicated by the absolute importance information determined by the information determining unit can function as a display means for displaying in correspondence.
[0098]
[0099]
[0100]
[Brief description of the drawings]
FIG. 1 is a block diagram showing an outline of a circuit configuration of an electronic mail system according to an embodiment of the present invention.
FIG. 2 is a diagram showing a format of a mail message handled by the electronic mail system.
FIG. 3 is a flowchart showing mail transmission processing of the electronic mail system.
FIG. 4 is a diagram showing a user interface during mail transmission processing of the electronic mail system.
FIG. 5 is a diagram showing an example of an importance level display of the electronic mail system.
FIG. 6 is a conceptual diagram of data serving as a basis for obtaining the importance display.
FIG. 7 is a flowchart for processing importance information in the electronic mail system.
FIG. 8 is a flowchart for processing importance level information and reference mail information in the electronic mail system.
[Explanation of symbols]
1 Sending terminal
2 Sending server
3 Receiving server
4 receiving terminals

Claims (3)

Reference mail for specifying any of the mail message information among the body information that is the body information, the title information that is the title information, the destination information that is the destination information, and the mail message information that has already been sent to the destination Receiving means for receiving mail message information having information, relative importance information indicating relative importance with respect to the reference mail information;
The absolute importance information of the mail message information received by the receiving means is determined from the absolute importance information indicating the absolute importance of the mail message information specified by the reference mail information and the relative importance information. Absolute importance information determination means,
Display means for displaying at least part of the information of the mail message information received by the receiving means in correspondence with the absolute importance indicated by the absolute importance information determined by the absolute importance information determining means E-mail terminal equipped with. An input unit for inputting the text information, the title information, the destination information, the reference mail information, and the relative importance information;
Storage means for storing the text information, the title information, the destination information, the reference mail information, and the relative importance information input by the input unit;
2. The electronic mail terminal according to claim 1 , further comprising transmission means for transmitting mail message information having each piece of information stored by the storage means to a destination indicated by the destination information. E-mail terminal computer
Reference mail for specifying any of the mail message information among the body information that is the body information, the title information that is the title information, the destination information that is the destination information, and the mail message information that has already been sent to the destination Receiving means for receiving mail message information having information, relative importance information indicating relative importance with respect to the reference mail information;
The absolute importance information of the mail message information received by the receiving means is determined from the absolute importance information indicating the absolute importance of the mail message information specified by the reference mail information and the relative importance information. Absolute importance information determination means,
Display means for displaying at least part of the information of the mail message information received by the receiving means in correspondence with the absolute importance indicated by the absolute importance information determined by the absolute importance information determining means A storage medium that stores a control program for an electronic mail terminal that functions as an electronic mail terminal.

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