JP5040761B2 - Mail transmission / reception program, mail transmission / reception device, and mail transmission / reception system - Google Patents

Description

  The present invention relates to a mail transmission / reception program, a mail transmission / reception apparatus, and a mail transmission / reception system that perform transmission / reception of electronic mail, and in particular, mail transmission / reception that transmits / receives electronic mail and communicates information about the electronic mail with a mobile terminal apparatus. The present invention relates to a program, a mail transmission / reception device, and a mail transmission / reception system.

  With the spread of e-mail, it has become common for national institutions, local public bodies, companies and other organizations to use e-mail for exchanging information within and outside the organization. In such an organization, in order to increase the efficiency and speed of operations, and to improve the convenience of members, the organization itself, and third parties (residents, business partners, etc.), the mobile environment has been established and the organization Members (users of an e-mail system possessed by an organization) can generally access business information used in the organization from outside, such as at home or at home.

  At this time, a communication fee required for using a communication service provided by a communication carrier used for mobile communication is charged from the communication carrier to a member who has performed communication. If this communication fee is to be borne by members, the frequency of use of the developed mobile environment will be reduced and will not be utilized, and the response speed of business will be affected. However, in order for the organization to bear this communication fee, it is necessary to calculate the communication fee for each member in accordance with the use of the mobile environment that is the basis for the cost claim.

In this regard, conventionally, a technique is known in which the number of packets for each user is counted, and a communication fee is calculated based on the counted number of packets and communication fee data for the user (see, for example, Patent Document 1). . This makes it possible to calculate the communication data amount used by each user and a communication fee proportional to the data amount.
Table 2004-077765 gazette

  Here, the charge system of the communication service provided by each carrier is not uniform, and there are a plurality of charge plans even in the same carrier, and a calculation method of communication charges (for example, a predetermined number) Communication unit price per data unit (packet). For this reason, the communication fee borne by the organization needs to be calculated based on the amount of data used by each member and the fee plan contracted by the used communication carrier.

  On the other hand, with the technique described in Patent Document 1 above, it is possible to specify the member and the amount of data used by the member, but the charge plan of the member is not taken into consideration, and the difference between the charge plans Cannot be reflected in the charge calculation.

  The present invention has been made in view of the above points, and a mail transmission / reception program capable of calculating a communication charge according to a data communication amount and a charge calculation method in data communication by a user's mobile terminal device, and mail transmission / reception An object is to provide an apparatus and a mail transmission / reception system.

  A mail transmission / reception program for causing the computer to perform transmission / reception of electronic mail and to execute processing for communicating data related to the electronic mail with a user's mobile terminal device, the computer moving the user through the communication line A communication unit that communicates with a terminal device, an authentication unit that authenticates the user, a communication log that records the user authenticated by the authentication unit and a data communication amount in communication, and generates the communication log Log generation means to be stored in storage means, communication volume totaling means for totaling the data communication volume of the user recorded in the communication log based on the communication log stored in the log storage means, and the communication volume The data communication amount aggregated by the aggregation unit and the user stored in the charge calculation information storage unit. Calculating the communication charge of the user based on charge calculation information indicating a calculation method for calculating the communication charge of the user, and calculating calculation result information indicating the calculated communication charge of the user To function as a charge calculation means to be stored.

  According to the computer that executes such a mail transmission / reception program, the communication means communicates with the user's mobile terminal device through a communication line. The user is authenticated by the authentication means. The log generation unit generates a communication log in which the user's mobile terminal device and the data communication amount are recorded in association with each other, and the generated communication log is stored in the log storage unit. Based on the communication log, the data traffic amount of the user is totaled by the traffic amount aggregation means. The charge calculation means calculates the user communication charge based on the aggregated data communication amount and the charge calculation information stored in the charge calculation information storage means, and the calculation result indicating the calculated user communication charge Information is stored in the calculation result information storage means.

  Also, a mail transmitting / receiving apparatus that transmits and receives electronic mail and communicates data related to the electronic mail with a user's mobile terminal apparatus calculates log storage means for storing a communication log and the user's communication fee. Charge calculation information storage means for storing charge calculation information indicating a calculation method for the communication, communication means for communicating with the mobile terminal device of the user via a network, authentication means for authenticating the user, and the authentication means Generating the communication log in which the authenticated user and the data communication amount in communication are recorded in association with each other, and generating the communication log in the log storage unit; and storing the generated communication log in the log storage unit Based on the communication log, a communication amount totaling unit that totalizes the data communication amount of the user recorded in the communication log. And calculating the communication fee of the user based on the data communication amount aggregated by the communication amount aggregating unit and the fee calculation information stored in the fee calculation information storage unit. Charge calculation means for storing calculation result information indicating the communication charge in a calculation result information storage means;

  According to such a mail transmitting / receiving apparatus, the communication means communicates with the user's mobile terminal apparatus via the communication line. The user is authenticated by the authentication means. The log generation unit generates a communication log in which the user's mobile terminal device and the data communication amount are recorded in association with each other. A communication log is stored by the log storage means. Based on the communication log, the data traffic amount of the user is totaled by the traffic amount aggregation means. The charge calculation means calculates the communication charge of the user based on the total data communication amount and the charge calculation information stored in the charge calculation information storage means. Calculation result information indicating the communication charge of the user is stored by the calculation result information storage means.

  In addition, a mail transmission / reception system that performs transmission / reception of electronic mail and communicates data related to the electronic mail with a user's mobile terminal device calculates log communication means for storing a communication log and the communication charge of the user Charge calculation information storage means for storing charge calculation information indicating a calculation method for the communication, communication means for communicating with the user's mobile terminal device via a communication line, authentication means for authenticating the user, and authentication by the authentication means Generating the communication log in which the user and the amount of data communication in communication are recorded in association with each other, log generation means for storing the generated communication log in the log storage means, and the log storage means stored in the log storage means Based on the communication log, the communication amount totaling means for totalizing the data communication amount of the user recorded in the communication log And calculating the communication fee of the user based on the data communication amount aggregated by the communication amount aggregating unit and the fee calculation information stored in the fee calculation information storage unit. A charge calculation unit for storing calculation result information indicating the communication fee in a calculation result information storage unit; and a communication line connected to the communication unit included in the mail transmission / reception device, based on a user operation. A mobile terminal device that outputs the data related to the electronic mail to the mail transmitting / receiving device and displays a display based on the data related to the electronic mail output from the mail transmitting / receiving device.

  According to such a mail transmission / reception system, the mobile terminal device outputs the data related to the electronic mail to the mail transmission / reception device based on the user's operation, and the display based on the data related to the electronic mail output from the mail transmission / reception device. Is displayed. The communication means of the mail transmitting / receiving apparatus communicates with the user's mobile terminal apparatus via a communication line. The user is authenticated by the authentication means. The log generation unit generates a communication log in which the user's mobile terminal device and the data communication amount are recorded in association with each other. A communication log is stored by the log storage means. Based on the communication log, the data traffic amount of the user is totaled by the traffic amount aggregation means. The charge calculation means calculates the communication charge of the user based on the total data communication amount and the charge calculation information stored in the charge calculation information storage means. Calculation result information indicating the communication charge of the user is stored by the calculation result information storage means.

According to the disclosed mail transmission / reception program, mail transmission / reception apparatus, and mail transmission / reception system, the communication according to the amount of data communication, the telecommunications carrier used for communication with the user, and the calculation method of the charge in the access by the user's mobile terminal apparatus Charges can be calculated.

Embodiments of the present invention will be described below with reference to the drawings.
FIG. 1 is a diagram showing an outline of the present embodiment. The mail transmission / reception apparatus shown in FIG. 1 performs transmission / reception of electronic mail and communication of data related to electronic mail with the mobile terminal apparatus 2 of the user 2a. In the mail transmission / reception apparatus 1, a computer functions as follows by a mail transmission / reception program.

  The mail transmission / reception device 1 calculates a communication fee for data communication by the mobile terminal device, such as a communication unit 1a, an authentication unit 1b, a log generation unit 1c, a communication amount aggregation unit 1d, a fee calculation unit 1e, a log storage unit 1f, It has a charge calculation information storage means 1g and a calculation result information storage means 1h.

The communication unit 1a communicates with the mobile terminal device 2 of the user 2a who operates the mail transmission / reception device 1 by operating the mobile terminal device 2 through a communication line.
The authentication unit 1b authenticates the user 2a. For example, the authentication unit 1b authenticates the user with an ID for identifying the user and a password corresponding to the ID. However, the present invention is not limited to this, and other authentication methods may be used, or a method that can specify a user who communicates with the communication means.

  The log generation unit 1c generates a communication log in which the user 2a authenticated by the authentication unit 1b and the data communication amount in communication are recorded in association with each other, and stores the generated communication log in the log storage unit 1f. With this communication log, the amount of data communication in the communication performed by the user 2a is recorded for each user 2a.

  The communication amount totaling unit 1d totalizes the data communication amount of the user 2a recorded in the communication log based on the communication log stored in the log storage unit 1f. Thereby, the data communication amount of communication by the user 2a using the mobile terminal device 2 is totaled.

  The fee calculation unit 1e is based on the data communication amount aggregated by the communication amount aggregation unit 1d and the fee calculation information indicating the calculation method for calculating the communication fee of the user 2a stored in the fee calculation information storage unit 1g. Then, the communication fee of the user 2a is calculated, and the calculation result information indicating the calculated communication fee of the user 2a is stored in the calculation result information storage unit 1h.

The log storage unit 1f stores the communication log generated by the log generation unit 1c.
The charge calculation information storage unit 1g stores charge calculation information indicating a calculation method for calculating the communication charge of the user 2a. This charge calculation information indicates, for example, a charge per unit of data communicated by the user 2a, but is not limited thereto, and information for calculating the communication charge of the user 2a is sufficient.

The calculation result information storage unit 1h stores calculation result information indicating the communication fee calculated by the fee calculation unit 1e.
The mobile terminal device 2 is a mobile terminal device capable of data communication, such as a mobile phone and a notebook computer, and is connected to the communication means 1a of the mail transmission / reception device 1 through a communication line. Based on the operation of the user 2a, the mobile terminal device 2 outputs to the mail transmitting / receiving device 1 data relating to the creation and browsing of emails, the text of emails to be transmitted and received, confirmation of email transmission and reception, and the like. A display based on data related to the electronic mail output from the mail transmitting / receiving apparatus 1 is displayed on a display unit (not shown).

  According to such a mail transmission / reception device 1, the communication means 1a communicates with the mobile terminal device 2 of the user 2a through a communication line. The user 2a is authenticated by the authentication means 1b. The log generation unit 1c generates a communication log in which the mobile terminal device 2 of the user 2a and the data communication amount are recorded in association with each other, and the generated communication log is stored in the log storage unit 1f. Based on the communication log, the data communication amount of the user 2a is totaled by the communication amount totaling unit 1d. The charge calculation means 1e calculates the communication charge of the user 2a based on the aggregated data communication amount and the charge calculation information stored in the charge calculation information storage means 1g, and the calculated communication charge of the user 2a. Is stored in the calculation result information storage unit 1h.

  Thereby, the data communication amount of the user 2a is totaled by the communication amount totaling unit 1d based on the communication log, and the communication of the user 2a is performed based on the total data communication amount and the fee calculation information by the fee calculation unit 1e. Since the charge is calculated, it is possible to calculate the communication charge according to the data communication amount and the communication charge calculation method in the access by the user 2a mobile terminal device.

Hereinafter, the present embodiment will be described in detail with reference to the drawings.
FIG. 2 is a diagram showing a system configuration of the present embodiment. 2, the electronic mail in the organization 30 and the members constituting the organization 30 are mobile phones 21, 22,... And laptop computers 23,. This is a system for performing transmission / reception of e-mail, confirmation of transmission / reception, browsing of e-mail, and these operations between the user and the organization 30.

  Here, the scope of the organization is determined as necessary. In the case of a company, for example, one department may be treated as an organization, or the entire company may be treated as an organization. Similarly, in the case of a local public organization, for example, one department may be treated as an organization, or the organization itself may be treated as an organization.

  In the mail system according to the present embodiment, terminal devices 31, 32,... Are connected to a mail server 100 for sending and receiving electronic mail via a LAN (Local Area Network) 10. Further, the mail server 100 can be connected to communication carriers 41, 42, 43,... That are engaged in mobile communication business via the Internet 40. Further, the communication carriers 41, 42, 43,... Are respectively connected to the mobile phones 21, 22,.・ ・ Can be connected to

  The mail server 100 is a mail server that transmits and receives electronic mails within the organization 30 and between the inside of the organization 30 and the outside. Further, the user's mobile phones 21, 22,. In addition to communicating data relating to e-mails between them, e-mail account management within the organization 30 is also performed.

  The mail server 100 is configured such that the users belonging to the organization 30 are mobile phones 21, 22,..., Notebook computers 23,.・ Has a function to store the internal mail created above. In addition, the mail server 100 has a function of receiving and storing an electronic mail transmitted from the outside of the organization 30 to the organization 30 via the Internet 40.

  In addition, the mail server 100 can send e-mails stored in a mail information storage unit (not shown) to users who are e-mail recipients on the mobile phones 21, 22,. Has a function to operate as a web mail in response to the request. Here, e-mail operations are the creation and transmission of new e-mails, the browsing of received or sent e-mails, the creation of reply e-mails to received e-mails, and the deletion of received or sent e-mails from the account. This is an operation for managing e-mails such as temporary storage of e-mails being created.

  When operating the electronic mail, the user ID and password are input from the mobile phones 21, 22,..., The notebook computer 23,. Only when they match, the user is caused to operate the internal mail written to the user from inside the organization 30 and the external mail transmitted to the user from outside the organization 30. At the time of this e-mail operation, the mail server 100 sends information indicating the contents of the e-mail operated by the user to the mobile phone 21 operated by the user, the Internet 40 and the wireless communication lines 41a, 42a, 43a,. To send through. The mobile phone 21 that has received the information indicating the content of the electronic mail displays the content of the electronic mail on a display unit (not shown). The user operates the electronic mail based on the content of the electronic mail displayed on the display unit.

  In addition, the mail server 100 has a function of transmitting electronic mail created by the mobile phones 21, 22,. When sending an e-mail, the user accepts a request for creating and sending an e-mail based on HTTP (Hypertext Transfer Protocol), and receives SMTP (Simple Mail Transfer Protocol), POP (Post Office Protocol) / IMAP (Internet Message Access Protocol). ) To send the e-mail to the destination specified by the user.

  In this embodiment, the mobile phones 21, 22, which are stored under the management of the mail server 100 and are operated on the browsers of the terminal devices 31, 32,... .., An electronic mail that can be operated by a user in the organization 30 only from the notebook computer 23,. In addition to the internal mail shown below, external mail transmitted from the outside of the organization 30 to the mail server 100 is also browsed and operated as web mail by the user in the organization 30.

  Further, an e-mail created by the terminal devices 31, 32,... In the organization 30 and exchanged only between users inside the organization 30 is referred to as “internal mail”. On the other hand, an electronic mail exchanged between a user inside the organization 30 and the outside of the organization 30 via the Internet 40 and the mail server 100 is referred to as “external mail”.

In the present embodiment, “electronic mail” includes both internal mail and external mail, and also includes web mail.
That is, the internal mail is created on the browsers of the terminal devices 31, 32,... In the organization 30 and on the mobile phones 21, 22,. Is done. The created internal mail is stored as a web mail in the mail server 100, and is operated by a user belonging to the organization 30 on the browser of the terminal devices 31, 32,. ... Only the user who logs in with the account in the organization 30 set as the destination of the internal mail can be operated on the notebook computer 23.

  When the external mail is transmitted from the organization 30 to the outside, the mobile phone 21, 22,..., The notebook personal computer 23 operated on the browser of the terminal device 31, 32,. ,..., And is transmitted once from the mail server 100 to the mail server (not shown) that manages the transmission destination electronic mail as the transmission destination by the user's transmission instruction. Thereafter, the data is transmitted from a mail server that manages the electronic mail of the transmission partner to, for example, an external terminal device (not shown) used by the transmission partner.

The mail server 100 may handle only external mail or only internal mail.
In this embodiment, the mail server 100 has a function of managing webmail. However, the present invention is not limited to this, and an independent device such as a dedicated webmail server different from the mail server 100 has a function of managing webmail. Alternatively, a dual-purpose device such as a server having another function may have a function of managing web mail.

  The mobile phones 21, 22,..., And the notebook computers 23,... Are used by users inside the organization 30 to use web mail provided by the mail server 100 outside the organization 30 such as when returning home or going out. The mobile terminal device can be connected to the mail server 100 and can perform data communication. The mobile phones 21, 22,..., The notebook computers 23,... Have wireless communication lines 41a, 42a, 43a, etc. provided by the Internet 40 and contracted communication carriers 41, 42, 43,. It is possible to connect to the mail server 100 via. The mobile phones 21, 22,..., The notebook computer 23,... Have a function of using web mail, and operate the mail server 100 from the mail server 100 to the outside of the organization 30 via the Internet 40. It has a function to send and receive electronic mail.

  The terminal devices 31, 32,... Are computers provided in the organization 30 so that users inside the organization 30 use web mail provided by the mail server 100. The terminal devices 31, 32,... Have a function of using web mail provided by the mail server 100, and operate the mail server 100 to send e-mail from the mail server 100 to the outside of the organization 30 via the Internet 40. Has the function of transmitting and receiving.

Next, the hardware configuration of the mail server 100 will be described.
FIG. 3 is a diagram illustrating a hardware configuration of the mail server. The mail server 100 is entirely controlled by a CPU (Central Processing Unit) 101. A random access memory (RAM) 102, a hard disk drive (HDD) 103, a graphic processing device 104, an input interface 105, and a communication interface 106 are connected to the CPU 101 via a bus 107.

  The RAM 102 temporarily stores at least part of an OS (Operating System) program and application programs to be executed by the CPU 101. The RAM 102 stores various data necessary for processing by the CPU 101. The HDD 103 stores an OS and application programs.

  A monitor 11 is connected to the graphic processing device 104. The graphic processing device 104 displays an image on the screen of the monitor 11 in accordance with a command from the CPU 101. A keyboard 12 and a mouse 13 are connected to the input interface 105. The input interface 105 transmits a signal transmitted from the keyboard 12 or the mouse 13 to the CPU 101 via the bus 107.

  The communication interface 106 is connected to a network such as the LAN 10 or the Internet 40. The communication interface 106 transmits / receives data to / from other computers and mobile terminal devices via these networks.

With the hardware configuration as described above, the processing functions of the present embodiment can be realized.
Next, the module configuration of the mail server 100 will be described. FIG. 4 is a block diagram showing functions of the mail server. The mail server 100 according to the present embodiment transmits and receives e-mails, and mobile terminal devices of external users belonging to the organization 30 (cell phones 21, 22,..., Notebook computers 23,... It is a server that communicates data related to electronic mail with a mobile phone 21).

  The mail server 100 calculates a charge for data related to the electronic mail communicated with the mobile phone 21 in order to calculate the charge of the communication part 111, the authentication part 112, the log generation part 113, the communication amount totaling part 114, the charge calculation part. 115, a total period setting unit 131, a log storage unit 140, a charge calculation information storage unit 150, and a calculation result information storage unit 160.

  Further, as described above, the mail server 100 is connected to the external mobile phones 21, 22,..., The notebook personal computers 23,... Via the Internet 40 and the wireless communication lines 41 a, 42 a, 43 a. For example, it is connected to a mobile phone 21) (see FIG. 2).

  The communication unit 111 operates the mobile phone 21 through a communication line such as the wireless communication lines 41a, 42a, 43a,... Provided by the Internet 40 and the communication carriers 41, 42, 43,. Then, it communicates with the mobile phone 21 of the user who operates the mail server 100. The communication unit 111 acquires communication address information indicating a connection destination in communication. This communication address information is, for example, an IP address of a connection point (not shown) in the communication carriers 41, 42, 43,. The communication carrier and the Internet 40 are connected by the connection point. Data communication of a mobile terminal device such as a mobile phone 21 relayed by a communication carrier is connected to the Internet 40 via this connection point. With which IP address of this connection point, it is possible to specify through which communication carrier the mobile phone 21 is communicating. This communication address information will be described later in detail in FIG.

  The authentication unit 112 authenticates the user. Specifically, in order to ensure the legitimacy of the user's login, the authentication unit 112 sends the user's e-mail with the ID corresponding to the user's account that the mobile phone 21 has accepted the input and the password corresponding to the ID. Authenticate logins for managed accounts. If the authentication is successful, the mail server 100 permits the user to log in by the mobile phone 21 and provides the mobile phone 21 with mail information corresponding to the account of the authenticated ID. Thereby, the mail server 100 authenticates the user who accessed with the mobile phone 21. Then, the user can communicate with the mail server 100 and the communication unit 111 by the mobile phone 21, and can view, delete, newly create, reply emails of the email transmitted to the account corresponding to the ID by the mobile phone 21. Operations such as creation can be performed.

  The log generation unit 113 generates a communication log in which the user of the mobile phone 21 authenticated by the authentication unit 112 and the data communication amount in communication performed by the user by the mobile phone 21 are recorded in association with each other, and the generated communication log Is stored in the log storage unit 140. With this communication log, the amount of data communication in communication performed by the user is recorded for each user.

  At this time, the log generation unit 113 performs communication communication with the user's mobile phone 21 acquired by the communication unit 111 and the data communication amount in communication with the user's mobile phone 21 whose communication log has been authenticated by the authentication unit 112. Address information is recorded and generated, and the generated communication log is stored in the log storage unit 140.

  Based on the communication log stored in the log storage unit 140, the communication amount totaling unit 114 totals the user's data communication amount recorded in the communication log for each connection destination (communication carrier) based on the communication address. To do. As a result, the amount of data communication of communication performed by the user on the mobile phone 21 is aggregated for each communication carrier, so that even when the user uses a plurality of mobile terminal devices, the communication fee is differentiated. Can be calculated.

  The fee calculation unit 115 is based on the data communication amount aggregated by the communication amount aggregation unit 114 and the fee calculation information indicating the calculation method for calculating the user communication fee stored in the fee calculation information storage unit 150. The communication fee of the user is calculated for each connection destination, and calculation result information indicating the calculated communication fee of the user for each connection destination is stored in the calculation result information storage unit 160.

  At this time, the charge calculation unit 115 can identify the connection destination in the calculated communication charge of the user and the connection destination that is included in the charge calculation information and registered in advance when using the user's mobile phone 21. If the connection destination in user communication does not match the pre-registered connection destination indicated by the user connection destination information by comparing with the connection destination indicated by the connection destination information, communication by communication with the connection destination Excluding the charge, calculation result information indicating the calculated communication charge of the user for each connection destination is stored in the calculation result information storage unit 160.

  As a result, when the user communicates with the mail server 100 via a route other than the pre-registered connection destination (communication carrier), it is excluded from the calculation of the communication fee that the organization 30 bears (or assists). It is possible to prevent an injustice such as charging a communication fee after performing communication through a cheaper route than the connection destination where the communication fee is registered, and dressing the difference.

  In addition, when data communication is performed via a plurality of communication carriers for the same user, the charge calculation unit 115 selects the most data communication from the contract plan (see FIG. 6) applied to the user. A communication fee that is borne by the organization 30 may be calculated by applying a cheaper unit price. As a result, when there is a difference in the amount of data communication provided to the user by data communication on a plurality of registered communication paths, it is possible to prevent fraud such as charging the higher communication fee and wearing the difference. it can.

  In addition, the fee calculation unit 115 sets a rate (ratio) indicating the auxiliary rate, so that the data communication amount aggregated by the communication amount aggregation unit 114 and the fee calculation information stored in the fee calculation information storage unit 150 are based on the data calculation amount. , Calculating the user's communication fee, adding the rate indicated by the assistance rate information included in the fee calculation information to the calculated user's communication fee, obtaining the payment amount, and indicating the payment amount obtained by the integration Calculation result information can also be stored in the calculation result information storage unit 160. Thereby, the mail server 100 calculates the communication fee that the organization 30 should bear, not only when the organization 30 bears the communication fee in full, but also when the organization 30 bears the communication fee at a predetermined rate. Can do. The rate indicating the auxiliary rate will be described in detail later with reference to FIG.

  The aggregation period setting unit 131 accepts an aggregation period setting that is a setting of the aggregation period of the user's communication fee by the operation of the administrator of the mail server 100. Based on the date that is an item of the communication log (see FIG. 8), the data communication amount communicated by the user within a certain period is totaled to calculate the user's communication fee within the certain period. can do. The setting of the total period will be described later in detail in FIG.

The log storage unit 140 stores the communication log generated by the log generation unit 113. This communication log will be described in detail later with reference to FIG.
The charge calculation information storage unit 150 stores charge calculation information indicating a calculation method for calculating the communication charge of the user. The charge calculation information indicates, for example, a charge per unit of data communicated by the user, but is not limited thereto, and may be information for calculating the communication charge of the user.

  Here, the charge calculation information storage unit 150 stores a user table 151a (see FIG. 5), a charge conversion table 152a (see FIG. 6), and a carrier table 153a (see FIG. 7). The charge calculation information includes user information stored in the user table 151a, charge conversion information stored in the charge conversion table 152a, and carrier information stored in the carrier table 153a.

  The user information constituting the charge calculation information and stored in the user table 151a indicates the connection destination of the user's mobile phone 21 and the charge setting at the connection destination of the user's mobile phone 21 in association with each other.

  Further, it includes charge conversion information that constitutes charge calculation information and indicates a data communication charge per fixed amount of data stored in the charge conversion table 152a and for each charge setting at the connection destination.

  The fee calculation information includes auxiliary rate information indicating a rate for assisting the communication fee for the user who has performed communication. This auxiliary rate information constitutes charge conversion information stored in the charge conversion table 152a.

  The charge calculation information includes user connection destination information that can identify a connection destination registered in advance for communication when the user uses the mobile phone 21. This user connection destination information includes user information stored in the user table 151a and carrier information stored in the carrier table 153a. Based on the user information and carrier information constituting the user connection destination information, the mail server 100 identifies the communication carrier used for communication with the user.

  The calculation result information storage unit 160 stores calculation result information indicating the communication fee calculated by the fee calculation unit 115. The calculation result information indicates a communication fee that the organization 30 should bear in communication with the mail server 100 by the user. This calculation result information will be described later in detail in FIG.

  In addition, the mail server 100 includes a mail information storage unit (not shown) in order to store information related to the received electronic mail. The mail information storage unit stores mail information that is information related to electronic mail. This mail information is sent via the LAN 10, the Internet 40, the wireless communication lines 41a, 42a, 43a,... On the browser of the terminal device in the organization 30 such as the terminal device 31 or the mobile phones 21, 22,. ... Sent from the outside of the organization 30 via the internal mail created by the notebook computer 23,... And the Internet 40 connected to the mail server 100, and the wireless communication lines 41a, 42a, 43a,. This is information composed of the mail text and header information of the external mail (see FIG. 2). The header information includes information indicating a transmission source, a transmission destination, a transmission date and time, and the like.

  The mobile phone 21 is a mobile terminal device capable of data communication, and is provided by a communication unit 111 included in the mail server 100, the Internet 40 (see FIG. 2), communication carriers 41, 42, 43,. The communication lines 41a, 42a, 43a,. The mobile phone 21 outputs, to the mail server 100, data related to a command for creating and browsing an e-mail, a body of an e-mail to be transmitted and received, confirmation of e-mail transmission and reception, and the like based on a user operation. The display based on the data relating to the e-mail output from is displayed on a display unit (not shown).

  In the present embodiment, the mail server 100 has the above functions. However, the present invention is not limited to this, and an independent device such as a dedicated server different from the mail server 100 may have all the above functions. Further, a plurality of devices including the mail server 100 may each have a part of the above functions, and the plurality of devices may have the above functions as a whole.

Next, a user table used in the mail server 100 of this embodiment will be described.
FIG. 5 is a diagram illustrating a data structure of the user table. A user table 151 a shown in FIG. 5 is created and managed by the mail server 100. The user table 151a is a table for storing user information indicating a correspondence relationship between each user belonging to the organization 30 and a fee structure of a mobile terminal device such as a mobile phone 21 (see FIG. 2) used by each user. .

  In the user table 151 a, “ID” that is an item indicating an ID (Identification) set for a user in the organization 30, “User name” that is an item indicating the name of the user, and a mobile terminal used by the user A “contract type”, which is an item indicating the communication carrier of the apparatus and the charge system, is provided. Information arranged in the horizontal direction of each item is associated with each other to constitute user information. This user information functions as fee calculation information. Moreover, it functions as user connection destination information. Although omitted here, the user information includes a password for authenticating the user in combination with the ID.

  The ID is a code set for each user in order to identify each user on a mail system such as the mail server 100. For this reason, although an arbitrary character string can be used for ID, it is determined so that the user can be uniquely specified for each user. The user name is the name of each user who belongs to the organization 30 and uses the mail system.

  The contract type indicates the telecommunications carrier and fee structure of the mobile terminal device used by the user. By referring to the charge conversion information stored in the charge conversion table 152a shown in FIG. 6 based on this contract type, the charge calculation method of the mobile terminal device used by each user, the organization 30 bears the communication charge. Rate, telecommunications carrier (carrier), etc. can be acquired.

  Here, each user can use a mobile terminal device of one or more communication carriers in communication with the mail server 100. In the present embodiment, when a user uses mobile terminal devices of a plurality of communication carriers, for example, the first and second rows from the top of the user table 151a shown in FIG. 5, and the third and fourth rows. As shown in the row, a plurality of pieces of user information are created for the same user, and different contract types are associated with the same ID in each user information.

Next, a charge conversion table used in the mail server 100 of this embodiment will be described.
FIG. 6 is a diagram illustrating a data structure of the charge conversion table. The charge conversion table 152a shown in FIG. 6 is created and managed by the mail server 100. The charge conversion table 152a is a table that stores charge conversion information indicating information for calculating a communication charge that the organization 30 bears for communication with the mail server 100 performed by the mobile terminal device by the user.

  In the charge conversion table 152a, “contract type” which is an item indicating a name for identifying a charge system, “unit price” which is an item indicating a communication fee per fixed amount of data (one packet), and a user who performs communication “Rate”, which is an item indicating a rate for substituting a communication fee, and “Carrier”, an item indicating the name of a communication carrier. Information arranged in the horizontal direction of each item is associated with each other to constitute charge conversion information.

The contract type is a name set for each charge system in order to identify each charge system provided by the telecommunications carrier.
The unit price indicates a method for calculating a data communication charge for each contract type, and indicates a communication charge generated to a user when a certain amount of data (1 packet: 128 bytes here) is transmitted and received.

  The rate indicates a ratio of assisting the communication fee for the user who has performed communication when the organization 30 bears a part of the communication fee generated by the user due to communication with the mail server 100. When the organization 30 bears the entire communication fee generated by the user through communication with the mail server 100, this rate is not used for calculating the communication fee. The rate constitutes auxiliary rate information.

  The carrier is the name of a communication carrier 41, 42, 43,... (See FIG. 2) that provides a communication service via wireless communication lines 41a, 42a, 43a,. Show.

  Here, in this embodiment, when each telecommunications carrier provides communication services with a plurality of fee systems, for example, the first and second lines from the top of the charge conversion table 152a shown in FIG. As shown in FIG. 5, a plurality of charge conversion information is created for the same carrier, and different contract types are associated with the same carrier in each charge conversion information.

Next, the carrier table used in the mail server 100 of this embodiment will be described.
FIG. 7 is a diagram illustrating a data structure of the carrier table. The carrier table 153a illustrated in FIG. 7 is created and managed by the mail server 100. The carrier table 153a is a table that stores carrier information indicating a connection destination of each communication carrier.

  The carrier table 153a is provided with “IP address” which is an item indicating the IP address of the connection point of the communication carrier and “carrier” which is an item indicating the name of the communication carrier. Information arranged in the horizontal direction of each item is associated with each other to constitute carrier information. This carrier information functions as communication address information.

  The IP address is an IP address on the Internet, which is a connection point of a communication carrier. Usually, a telecommunications carrier acquires a plurality of IP addresses at a connection point, and any one of the IP addresses is assigned to data communication. Therefore, a plurality of IP addresses are assigned to one telecommunications carrier in carrier information. Can be set. The carrier indicates the name of the communication carrier.

  Based on this carrier information, the mail server 100 can identify the communication carrier with which the user communicated with the mobile terminal device based on the IP address recorded in the communication log (see FIG. 8).

Next, a communication log recorded by the mail server 100 of this embodiment will be described.
FIG. 8 is a diagram illustrating a data structure of a communication log. The communication log 141a illustrated in FIG. 8 is created and managed by the mail server 100. The communication log 141 a is data indicating a communication log recorded when data communication with the mail server 100 is performed by a user belonging to the organization 30. The communication log 141 a is generated by the log generation unit 113 and stored in the log storage unit 140.

  The communication log 141a includes “date and time” items indicating the date and time when the data communication was performed, “ID” items specifying the user who performed the data communication, and the communication used for the data communication. An “IP address”, which is an item indicating the IP address at the connection point of the provider, and a “data size” indicating the amount of data transmitted / received in the data communication in bytes are provided. By associating pieces of information arranged in the horizontal direction of each item with each other, a communication log in one data communication is shown.

The mail server 100 creates a communication log shown in each line of the communication log 141a every time data communication is performed from the outside of the organization 30 by the mobile terminal device.
In the present embodiment, the data size recorded in the communication log 141a is regarded as the data communication amount actually transmitted / received in the data communication, and is converted into a packet unit (1 packet = 128 bytes (byte)). Thus, the communication fee is calculated.

  Next, a processing procedure in the present embodiment will be described. First, log generation processing executed when the mail server 100 according to the present embodiment generates a log of data communication performed with a mobile terminal device such as the mobile phone 21 will be described. FIG. 9 is a flowchart illustrating a procedure of log generation processing.

  The mail server 100 according to the present embodiment is a mobile terminal device (for example, mobile phone 21) such as mobile phones 21, 22,..., Notebook computers 23,. When a request for starting data communication is received from (see), the user is authenticated and data communication is started in response to the request, and the data generation (the start request and the data communication in the authentication are also performed by log generation processing). Communication log (see FIG. 8).

  [Step S11] When the CPU 101 of the mail server 100 receives a request from the mobile phone 21 to start data communication by the user, the CPU 101 authenticates the user. Specifically, the CPU 101 transmits a request for transmitting an ID and a password to the mobile phone 21 to which the request has been transmitted. The mobile phone 21 that has received the password transmission request receives the input of the ID and password by the user, and transmits the received ID and password to the mail server 100. The CPU 101 authenticates the user with the received ID and password, and starts data communication.

  [Step S12] The CPU 101 generates a communication log of data communication (including a request to start data communication) with the user's mobile phone 21 in the user authentication in step S11, and stores it in the log storage unit 140. Remember.

  [Step S13] The CPU 101 receives a mail operation from the user using the mobile phone 21, and executes the received operation. This mail operation is browsing of the e-mail stored in the mail server 100 on the mobile phone 21, deleting the e-mail, creating a new e-mail, etc., and data communication from the mobile phone 21 to the mail server 100. Directed by The execution result based on this mail operation is transmitted from the mail server 100 to the mobile phone 21 by data communication.

  [Step S14] The CPU 101 generates a communication log of data communication performed with the user's mobile phone 21 in the mail operation in step S13, and stores the communication log in the log storage unit 140.

  [Step S15] The CPU 101 determines whether or not the user has accepted a logout instruction from the mobile phone 21. If the CPU 101 has accepted a logout instruction, the CPU 101 executes logout and proceeds to step S16. If not, the CPU 101 proceeds to step S13.

  [Step S14] The CPU 101 generates a communication log of data communication performed with the user's mobile phone 21 in the logout instruction and execution in step S15, and stores it in the log storage unit 140. Thereafter, the process ends.

  Next, in the mail server 100 according to the present embodiment, a charge executed when calculating the burden imposed by the organization 30 on the communication charge generated by the data communication performed with the mobile terminal device such as the mobile phone 21. The calculation process will be described. FIG. 10 is a flowchart showing a procedure of fee calculation processing.

  The mail server 100 according to the present embodiment performs mobile terminal devices (for example, mobile phones 21, 22,..., Laptop computers 23, etc.) used by users belonging to the organization 30 by the log generation processing of FIG. Occurred in data communication with the user's mobile phone 21 based on a communication log (see FIG. 8) generated when data communication with the mobile phone 21) (see FIG. 2) was performed. A charge paid by the organization 30 for the communication charge is calculated, and the calculation result is output to the charge display screen 120 (see FIG. 11).

  [Step S <b> 21] Based on the communication log stored in the log storage unit 140, the CPU 101 totals the amount of packets that the user has performed data communication with the mail server 100 using the mobile phone 21. At this time, the CPU 101 extracts the communication log generated within the set aggregation period based on the date of the communication log, and performs the data communication within the aggregation period based on the data communication amount recorded in the data size of the extracted communication log. The amount of data communication of the broken data communication is totaled for each user. Next, the CPU 101 totalizes the data communication packet amount for each user by converting the total data communication amount into a packet amount with 1 packet = 128 bytes (bytes).

  [Step S22] Based on the charge calculation information, the CPU 101 calculates a communication charge borne by the organization 30 for each user from the packet amount aggregation result in step S21, and stores the calculation result in the calculation result information storage unit 160. .

  [Step S23] The CPU 101 displays the packet amount for each user calculated in step S21 and the communication fee for each user calculated in step S22 on the fee display screen 120. Thereafter, the process ends.

Next, the fee display screen 120 that displays the calculation result of the communication fee displayed on the monitor 11 of the mail server 100 of the present embodiment will be described.
FIG. 11 is a diagram showing a charge display screen. The fee display screen 120 shown in FIG. 11 is displayed on a mobile terminal device such as a mobile phone 21, 22,..., A notebook computer 23,. 21) An example of a screen that displays a calculation result of a communication charge generated by data communication between the mail server 100 (see FIG. 2).

  The charge display screen 120 includes a calculation result display area 120a for displaying a communication charge calculation result, a period display area 120b for displaying a communication charge totaling period, and a recalculation for accepting an operation for instructing execution of communication charge recalculation. A button 120c and a print button 120d for accepting an operation for instructing printing of a communication charge calculation result are provided.

  The calculation result display area 120a includes, as items, a “name” indicating a user, a “carrier” indicating a communication carrier, a “packet amount” indicating the amount of data transmitted / received in data communication, and a communication fee borne by the organization 30. The “fee” shown is provided.

For example, the accounting charge of the organization 30 sums up the communication charges borne by the organization 30 for each user based on this, and provides each user with it.
In the period display area 120b, the start date and the end date of the counting period are displayed. The start date and end date displayed in the period display area 120b can be newly input and corrected.

  When the recalculation button 120c accepts an operation by the administrator of the mail server 100, the mail server 100 aggregates the communication log (see FIG. 8) for the aggregation period set in the period display area 120b and calculates the communication fee. calculate.

  Therefore, the calculation result of the communication charge for an arbitrary period can be obtained by operating the recalculation button 120c after newly setting the aggregation period by inputting the start date and the end date in the period display area 120b. The communication charges borne by the organization 30 can be flexibly tabulated.

  When the print button 120d accepts an operation by an administrator of the mail server 100, the mail server 100 prints out the display content of the charge display screen 120. Thereby, the administrator of the mail server 100 can output the calculation result of the communication charge on paper as necessary.

  As described above, the mail server 100 according to the present embodiment aggregates the data communication amount of the data communication by the user based on the communication log, and the user communication based on the aggregated data communication amount and the charge calculation information. Since the charge is calculated, the communication charge corresponding to the data communication amount and the charge calculation method can be calculated for each user in the data communication with the user's mobile terminal device. Thereby, it can respond as a clear basis with respect to the expense claim from a user.

  In addition, since the expense of the organization 30 becomes possible, the use frequency of the e-mail operation in the mobile environment of the user of the organization 30 is higher than when the user is burdened, and the response speed in the mail business is improved. Can be planned.

Further, by setting a rate in the charge conversion table 152a, it is possible to set a communication fee payment amount according to the policy of the organization 30.
Further, even when one user uses a plurality of mobile terminal apparatuses contracted with different communication carriers, communication charges can be appropriately calculated and totaled according to each contract plan.

  The mail transmission / reception program, mail transmission / reception apparatus, and mail transmission / reception system of the present invention have been described based on the illustrated embodiment. The above description merely shows the principle of the present invention. The present invention is not limited to the exact configurations and applications shown and described above, and many variations and modifications are possible to those skilled in the art, and all corresponding variations and equivalents are The structure of each part can be replaced with any structure having a similar function. Moreover, other arbitrary structures and processes may be added to the present invention. Further, the present invention may be a combination of any two or more configurations (features) of the above-described embodiments.

  The above processing functions can be realized by a computer. In that case, a program describing the processing contents of the functions that the mail server 100 should have is provided. By executing the program on a computer, the above processing functions are realized on the computer.

  The program describing the processing contents can be recorded on a computer-readable recording medium. Examples of the computer-readable recording medium include a magnetic recording device, an optical disk, a magneto-optical recording medium, and a semiconductor memory. Examples of the magnetic recording device include an HDD, a flexible disk (FD), and a magnetic tape (MT). Optical disks include DVD (Digital Versatile Disc), DVD-RAM, CD-ROM (Compact Disc-Read Only Memory), CD-R (Recordable) / RW (ReWritable), and the like. Magneto-optical recording media include MO (Magneto-Optical disk).

  When the program is distributed, for example, a portable recording medium such as a DVD or CD-ROM in which the program is recorded is sold. It is also possible to store the program in a server computer and transfer the program from the server computer to another computer via a network.

  The computer that executes the program stores, for example, the program recorded on the portable recording medium or the program transferred from the server computer in its own storage device. Then, the computer reads the program from its own storage device and executes processing according to the program. The computer can also read the program directly from the portable recording medium and execute processing according to the program. Further, each time the program is transferred from the server computer, the computer can sequentially execute processing according to the received program.

It is a figure which shows the outline | summary of this Embodiment. It is a figure which shows the system configuration | structure of this Embodiment. It is a figure which shows the hardware constitutions of a mail server. It is a block diagram which shows the function of a mail server. It is a figure which shows the data structure of a user table. It is a figure which shows the data structure of a charge conversion table. It is a figure which shows the data structure of a carrier table. It is a figure which shows the data structure of a communication log. It is a flowchart which shows the procedure of a log production | generation process. It is a flowchart which shows the procedure of a charge calculation process. It is a figure which shows a charge display screen.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Mail transmission / reception apparatus 1a Communication means 1b Authentication means 1c Log generation means 1d Communication volume totaling means 1e Charge calculation means 1f Log storage means 1g Charge calculation information storage means 1h Calculation result information storage means 2 Mobile terminal device

Claims (6)

In a mail transmission / reception program for causing a computer to perform transmission / reception of electronic mail and to perform processing for communicating data related to the electronic mail with a user's mobile terminal device,
The computer,
Communication means for communicating with the user's mobile terminal device via a communication line;
Authentication means for authenticating the user;
A log generation unit that generates a communication log in which the user authenticated by the authentication unit and a data communication amount in communication are recorded in association with each other and stores the generated communication log in a log storage unit;
Based on the communication log stored in the log storage unit, a communication amount totaling unit that totalizes the data communication amount of the user recorded in the communication log;
Based on the data communication amount aggregated by the communication amount aggregation unit and fee calculation information indicating a calculation method for calculating the communication fee of the user stored in the fee calculation information storage unit, the user's Calculate a communication charge, and function as charge calculation means for storing calculation result information indicating the calculated communication charge of the user in a calculation result information storage means;
The communication means obtains communication address information having a correspondence with a communication carrier in the communication ,
The log generation means includes the data communication amount in the communication with the user's mobile terminal device authenticated by the authentication means and the user's mobile terminal device acquired by the communication means. The communication address information of the communication is recorded and generated, and the generated communication log is stored in the log storage unit.
Said traffic count means, the log storage on the basis of the communication log stored in the device, the data traffic of the user recorded in the communication log, the communication carrier based on the communication address information For each
The charge calculation means includes the charge calculation information indicating the data communication amount aggregated by the communication amount aggregation means and a calculation method for calculating the communication charge of the user stored in the charge calculation information storage means. based on the bets, said calculates the communication fee of the user for each communication service provider, stores the calculation result information indicating the communication charge of the user for each calculated the communication carrier on the calculated result information storage means An e-mail transmission / reception program characterized by causing The charge calculation means includes the charge calculation information indicating the data communication amount aggregated by the communication amount aggregation means and a calculation method for calculating the communication charge of the user stored in the charge calculation information storage means. based on the bets, calculates the communication fee of the user for each of the operators, the communication carrier in the communication charge calculated the user, the movement of the user is included in the charge calculation information by comparing the communication carrier indicated by identifiable user connection destination information the operators registered in advance of the communication during the use of the terminal apparatus, the in the communication of the user communication carrier but if it does not match with the network operator the user connection destination information is registered in advance showing the dividing the communication charge according to the communication with the communication carrier To claim 1, wherein the mail sending and receiving program for causing a function to store the calculation result information indicating the communication charge of the user for each calculated the communication carrier on the calculated result information storage means . The charge calculation information, the communication service provider of the mobile terminal device of the user, and the user information indicating in association with pricing in the communication carrier of the mobile terminal device of the user, rates in the operators The mail transmission / reception program according to claim 1, further comprising charge conversion information indicating a data communication fee per fixed amount of the data for each setting. The fee calculation information includes auxiliary rate information indicating a rate of assisting the communication fee for the user who performed the communication,
The charge calculation means includes the charge calculation information indicating the data communication amount aggregated by the communication amount aggregation means and a calculation method for calculating the communication charge of the user stored in the charge calculation information storage means. Based on the above, the communication fee of the user is calculated, and the proportion of the calculated communication fee of the user calculated by adding the ratio indicated by the auxiliary rate information included in the fee calculation information is obtained. The mail transmission / reception program according to claim 1, wherein the calculation result information indicating the amount of payment obtained by integration is stored in a calculation result information storage unit. In a mail transmission / reception device that performs transmission / reception of electronic mail and communicates data related to the electronic mail with a user's mobile terminal device,
Log storage means for storing communication logs;
Charge calculation information storage means for storing charge calculation information indicating a calculation method for calculating the communication charge of the user;
Communication means for communicating with the user's mobile terminal device via a network;
Authentication means for authenticating the user;
Log generation means for generating the communication log in which the user authenticated by the authentication means and the data communication volume in communication are recorded in association with each other, and storing the generated communication log in the log storage means;
Based on the communication log stored in the log storage unit, a communication amount totaling unit that totalizes the data communication amount of the user recorded in the communication log;
Based on the data communication amount aggregated by the communication amount aggregation unit and the fee calculation information stored in the fee calculation information storage unit, the communication fee of the user is calculated, and the calculated user's Charge calculation means for storing calculation result information indicating the communication charge in the calculation result information storage means, and
The communication means obtains communication address information having a correspondence with a communication carrier in the communication ,
The log generation means includes the data communication amount in the communication with the user's mobile terminal device authenticated by the authentication means and the user's mobile terminal device acquired by the communication means. The communication address information of the communication is recorded and generated, and the generated communication log is stored in the log storage unit.
Said traffic count means, the log storage on the basis of the communication log stored in the device, the data traffic of the user recorded in the communication log, the communication carrier based on the communication address information For each
The charge calculation means includes the charge calculation information indicating the data communication amount aggregated by the communication amount aggregation means and a calculation method for calculating the communication charge of the user stored in the charge calculation information storage means. based on the bets, said calculates the communication fee of the user for each communication service provider, stores the calculation result information indicating the communication charge of the user for each calculated the communication carrier on the calculated result information storage means An e-mail transmission / reception device characterized in that In a mail transmission / reception system for performing transmission / reception of electronic mail and communicating data related to the electronic mail with a user's mobile terminal device,
Log storage means for storing communication logs;
Charge calculation information storage means for storing charge calculation information indicating a calculation method for calculating the communication charge of the user;
Communication means for communicating with the user's mobile terminal device via a communication line;
Authentication means for authenticating the user;
Log generation means for generating the communication log in which the user authenticated by the authentication means and the data communication volume in communication are recorded in association with each other, and storing the generated communication log in the log storage means;
Based on the communication log stored in the log storage unit, a communication amount totaling unit that totalizes the data communication amount of the user recorded in the communication log;
Based on the data communication amount aggregated by the communication amount aggregation unit and the fee calculation information stored in the fee calculation information storage unit, the communication fee of the user is calculated, and the calculated user's Charge calculation means for storing calculation result information indicating a communication charge in the calculation result information storage means;
A mail transmitting / receiving device having
The e-mail output from the mail transmitting / receiving apparatus and connected to the communication means of the mail transmitting / receiving apparatus via the communication line, and outputs the data related to the e-mail to the mail transmitting / receiving apparatus based on an operation of the user. and a said mobile terminal device for displaying the display based on the data relating to,
The communication means obtains communication address information having a correspondence with a communication carrier in the communication ,
The log generation means includes the data communication amount in the communication with the user's mobile terminal device authenticated by the authentication means and the user's mobile terminal device acquired by the communication means. The communication address information of the communication is recorded and generated, and the generated communication log is stored in the log storage unit.
Said traffic count means, the log storage on the basis of the communication log stored in the device, the data traffic of the user recorded in the communication log, the communication carrier based on the communication address information For each
The charge calculation means includes the charge calculation information indicating the data communication amount aggregated by the communication amount aggregation means and a calculation method for calculating the communication charge of the user stored in the charge calculation information storage means. based on the bets, said calculates the communication fee of the user for each communication service provider, stores the calculation result information indicating the communication charge of the user for each calculated the communication carrier on the calculated result information storage means An e-mail transmission / reception system characterized in that

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