JP4364915B2 - Webmail management system and webmail management method - Google Patents

Description

  The present invention relates to a web mail management system and a web mail management method, and more particularly to a web mail management system and a web mail management method using a mobile terminal device having two mail addresses.

  With the spread of the Internet, an increasing number of websites provide web (Web) mail services. In recent years, mobile terminals such as mobile phones that can use the Internet are increasing, and cases of using Web mail in mobile terminals are also increasing. In the Web mail service, mail transmitted to a Web site is also transferred to a mobile terminal or the like.

When transferring Web mail to a portable terminal, it is desired to reduce the amount of transfer data as much as possible. Patent Document 1 discloses data transferred when transferring Web mail to a portable terminal. A mail transfer system capable of reducing the amount is disclosed.
JP 2003-122671 A

  On the other hand, along with the spread of the Internet and the increase in the speed and capacity of personal computers, illegal distribution and exchange of copyrighted works without the author's permission has increased. DRM (Digital Rights Management) technology that limits playback is drawing attention. With the spread of the Internet, it is desirable to apply DRM control even when handling Web mail, but there is currently no Web mail management method to which such DRM control is applied.

  The present invention has been made in view of such a point, and an object thereof is to provide a webmail management system and a webmail management method capable of applying DRM control when handling webmail.

  A web mail management system according to the present invention includes a mobile terminal device capable of sending and receiving mails using a first mail address and sending and receiving web mails using a second mail address, a first mail address inbox and a second mail address inbox. And a mail server device having a mail control means for controlling mail stored in each inbox, wherein the mail control means is stored in the second mail address inbox. When instructed to store the web mail in the portable terminal device, the web mail is copied to the first mail address inbox.

  In the web mail management system of the present invention, when the mail control unit is instructed to store the web mail with the non-redistributable file attached to the mobile terminal device, the non-redistributable file is attached. In this state, it is preferable to copy the web mail to the first mail address inbox and delete the non-redistributable file from the web mail stored in the second mail address inbox.

  In the web mail management system of the present invention, when the mail control unit is instructed to transfer a web mail to which a file that cannot be redistributed is attached, the mail control means cancels the attachment of the file that cannot be redistributed. It is preferable to transfer.

In the web mail management system of the present invention, when the web mail is instructed to be stored in the mobile terminal device, the web mail transmission source is not changed, and the web mail is instructed to be transferred. Preferably includes address setting means for setting the second mail address as the sender of the web mail.

  According to these configurations, since the file control means for controlling the deletion of the non-redistributable file attached to the web mail is provided, the DRM control can be applied when handling the web mail.

  A web mail management method according to the present invention includes a mobile terminal device capable of sending and receiving mail using a first mail address and sending and receiving web mail using a second mail address, a first mail address inbox and a second mail address inbox. And a mail server device having a mail control means for controlling mail stored in each inbox, and a method for managing web mail, comprising: a first mail address inbox and a second mail address inbox And storing the web mail in the second mail address inbox when receiving a web mail with a non-redistributable file attached thereto, and storing the web mail in the second mail address inbox. There is no instruction to save the web mail in the portable terminal device. When the, characterized by replicating the webmail inbox for the first email address.

In the webmail management method of the present invention, when an instruction is given to save a webmail with a non-redistributable file attached to the mobile terminal device, the webmail is sent with the non-redistributable file attached. It is preferable that the redistributable file is deleted from the web mail stored in the second mail address inbox while being copied to the first mail address inbox.

In the webmail management method of the present invention, it is preferable to transfer the webmail in a state where the attachment of the non-redistributable file is released when an instruction to transfer the webmail to which the non-redistributable file is attached is given. .

In the web mail management method of the present invention, when the web mail is instructed to be stored in the mobile terminal device, the web mail source is not changed and the web mail is instructed to be transferred. Preferably sets the second mail address as the sender of the webmail.

  According to these methods, since the file control means for controlling the deletion of the non-redistributable file attached to the web mail is provided, the DRM control can be applied when handling the web mail.

  According to the present invention, when a mail server device having a first mail address inbox and a second mail address inbox receives a webmail attached with a file that cannot be redistributed, the second mail address is received. When the web mail is stored in the box, and the web mail stored in the second mail address inbox is instructed to be stored in the mobile terminal device, the web mail is stored in the first mail address inbox. DRM control can be applied when handling web mail.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
FIG. 1 is a diagram showing a schematic configuration of a web mail management system according to an embodiment of the present invention. The system shown in FIG. 1 is connected to a mobile terminal 1, a mobile communication center 3 connected to the mobile terminal 1 via a mobile communication network 2, and a mobile communication center 3 and a network such as the Internet 4. The terminal 5 is mainly configured. The mobile communication center 3 includes a Web server 31 that provides a Web page in response to a request from the mobile terminal 1, a user management server 32 that manages various mail settings for each user, and a mail server 33 that controls transmission and reception of mail. Including.

  The mobile terminal 1 is compatible with a multi-number service, has a normal mode, an additional mode, and a common mode. Has an additional email address. This additional mail address is a mail address for Web (Web) mail. This portable terminal 1 can perform transmission / reception using a basic mail address and Web mail transmission / reception using an additional mail address. Further, the mobile terminal 1 has a basic telephone number for the basic mode that is the first telephone number and an additional telephone number for the additional mode that is the second telephone number.

  The mobile terminal 1 has an operating system (mobile device OS), and a browser function, a viewer function, a JAM (Java Application Manager) and other functions operate on the mobile device OS.

  The mobile communication network 2 is a network between the mobile terminal 1 and the mobile communication center 3. The mobile communication network 2 includes a mobile packet communication network in addition to a normal mobile communication network. The mobile communication network center is responsible for a gateway function that connects the mobile communication network 2 and the Internet 4, and specifically includes an information distribution function, a mail transmission / reception function, a mail storage function, a contract customer management function, and an information provider (Information Provider) has a management function and an information fee billing function. The network includes the Internet 4 and other networks such as LAN and WAN.

  FIG. 2 is a block diagram showing a schematic configuration of the mobile terminal in the webmail management system shown in FIG. Note that the configuration shown in FIG. 2 is simplified for the purpose of describing the present invention, and is assumed to include components mounted on a normal mobile terminal.

  The mobile terminal 1 displays a control unit 11 that controls the entire apparatus, a communication control unit 12 that controls wireless communication via an antenna, an input unit 13 that inputs various data, and various information and data. It is mainly composed of a display unit 14 and an application control unit 15 that controls activation of various applications.

  The communication control unit 12 performs control of wireless communication with another mobile terminal or another communication device. For example, the communication control unit 12 sends and receives calls to and from other mobile terminals and other communication devices, and sends and receives mails to and from other mobile terminals and other communication devices. The communication control unit 12 performs mail transmission / reception with the mail address corresponding to the mode. For example, mail transmission / reception is performed with the basic mail address in the basic mode, and mail transmission / reception is performed with the additional mail address in the additional mode.

  When a mail is transmitted to the additional mail address, a reception notification is transmitted from the mobile communication center 3 as an i-mode (registered trademark) mail. Further, SMS (short mail) can be received for the additional telephone number. In addition, when a mail is transmitted from the mobile terminal 1, the basic mail address can be transmitted from the mobile terminal 1, but since the additional mail address is a web mail, the web server 31 of the mobile communication center 3 is accessed. And send.

  The display unit 14 has a viewer function and displays various data and information. The display unit 14 formats and displays data and information in a predetermined display format. The application control unit 15 executes an application program created in an application language (for example, Java (registered trademark) language) in response to an instruction from the control unit 11. The application control unit 15 executes browser software in transmission / reception of Web mail.

  FIG. 3 is a diagram showing a schematic configuration of a mail server in the web mail management system shown in FIG. The mail server 33 shown in FIG. 3 includes a control unit 331 that controls the entire apparatus, a communication control unit 332 that controls transmission / reception of mail, a basic reception BOX 3331 that stores received mail addressed to the basic mail address, and addressed to additional mail addresses. A reception mail BOX 333 having an additional reception BOX 3332 for storing the reception mail, an additional transmission BOX 334 for storing the transmission mail, an address setting unit 335 for setting the transmission source information of the reception mail, and the basic reception BOX 3331 or the additional reception BOX 3332 for the reception mail. The mail distribution unit 336 and the file control unit 337 that controls the deletion of the file attached to the received mail are mainly configured.

  The communication control unit 332 controls mail transmission / reception. That is, the communication control unit 332 receives a mail addressed to the basic mail address or a Web mail addressed to the additional mail address, transmits a mail having the basic mail address as a transmission source, or sends another Web mail addressed to the additional mail address. Send (transfer) to the terminal.

  The received mail BOX 333 includes a basic received BOX 3331 that stores mail transmitted to the basic mail address, and an additional received BOX 3332 that stores mail transmitted to the additional mail address. The basic reception BOX 3331 stores mail transmitted to the basic mail address, and copies and stores Web mail transmitted to the additional mail address. At this time, even if a non-redistributable file is attached to the Web mail, the Web mail is stored in the basic reception box 3331 as it is attached. On the other hand, the additional reception BOX 3332 stores the Web mail transmitted to the additional mail address. At this time, if a non-redistributable file is attached to the Web mail, the non-redistributable file is deleted in the additional reception BOX 3332.

  The additional transmission BOX 334 stores the Web mail when transferring the Web mail transmitted to the additional mail address. At this time, even if a non-redistributable file is attached when the Web mail is sent to the additional mail address, the non-redistributable file is deleted and stored in the additional transmission BOX 334 at the time of transfer.

  The address setting unit 335 changes the additional mail address to the mail address of the sender of the Web mail when the user selects to store the Web mail addressed to the additional mail address with the non-redistributable file attached thereto. And set as source information. If the user selects to save the Web mail, the Web mail is sent from the additional reception BOX 3332 to the basic reception BOX 3331. Therefore, the transmission source information of the Web mail sent to the basic reception BOX 3331 becomes an additional mail address. If the sender information of the Web mail stored in the basic reception box 3331 selected by the user becomes an additional mail address, it becomes difficult for the user to recognize the sender. When selecting to save, the address setting unit 335 changes the sender information of the Web mail. That is, in such a case, the address setting unit 335 changes the transmission source information from the additional mail address to the transmission source mail address. That is, when instructed to store Web mail in the mobile terminal 1, the address setting unit 335 sets the Web mail transmission source as the Web mail transmission source (without changing the Web mail transmission source). ) When an instruction to transfer Web mail is given, an additional mail address is set as the transmission source of the Web mail.

  The mail distribution unit 336 performs control to distribute mail received by the mobile terminal 1 to the basic reception BOX 3331 or the additional reception BOX 3332 for each mode. For example, the mail distribution unit 336 distributes mail sent to the basic mail address to the basic reception BOX 3331 and distributes mail sent to the additional mail address to the additional reception BOX 3332. Therefore, the mail distribution unit 336 distributes the Web mail addressed to the additional mail address to the additional reception BOX 3332.

  The file control unit 337 controls deletion of non-redistributable files attached to Web mail. The file control unit 337 is a processing unit necessary for DRM (Digital Rights Management) of a file attached to a Web mail. In other words, when a user uses a file attached to a web mail by saving the web mail in the terminal, the attached file is not basically deleted. However, when a received web mail is transferred, the DRM is used. Delete attachments as needed to control.

  Therefore, the mail distribution unit 336 and the file control unit 337 perform the following mail control. That is, when the mail distribution unit 336 and the file control unit 337 are instructed to store the Web mail with the non-redistributable file attached to the mobile terminal 1, the Web distribution unit 336 and the file control unit 337 have the Web file with the non-redistributable file attached. The mail is copied to the basic reception BOX 3331 and the redistributable file is deleted from the Web mail stored in the additional reception BOX 3332. In addition, when the mail distribution unit 336 and the file control unit 337 are instructed to transfer a Web mail to which a non-redistributable file is attached, the mail distribution unit 336 and the file control unit 337 transfer the Web mail in a state where the attachment of the non-redistributable file is cancelled. . If the file attached to the Web mail is a redistributable file, the file control unit 337 does not delete the file whether the Web mail is stored or transferred.

  Next, a web mail management method in the system having the above configuration will be described. FIG. 4 is a sequence diagram for explaining a mail storage mode in the web mail management method according to the embodiment of the present invention. FIG. 5 is a diagram for explaining a mail storage mode in the web mail management method according to the embodiment of the present invention.

  The Web mail management method of the present invention is added when a Web mail with a non-redistributable file attached is received by the mail server 33 having the basic reception BOX 3331 and the additional reception BOX 3332 when the Web mail is stored in its own device. When the Web mail is stored in the reception BOX 3332 and the Web mail is stored in the own terminal, the Web mail is copied to the basic reception BOX 3331 with the non-redistributable file attached.

  A mail is transmitted from the terminal 5 (aaa@mail.com) to the additional mail address of the portable terminal 1 having the basic mail address (222@docomo.ne.jp) and the additional mail address (111@docomo.ne.jp). Then, it is received by Web mail. It is assumed that a redistributable file A and a non-redistributable file B are attached to this mail as shown in FIG. At this time, the mail is stored in the additional reception box 3332 of the mail server 33. When the Web mail is received, a reception notification mail is sent from the mail server 33 to the mobile terminal 1. When the mobile terminal 1 starts a browser with the application control unit 15 and logs in to the Web mail site, a screen as shown in FIG. 6A is displayed on the display unit 14.

  Then, on the screen shown in FIG. 6A, when the user selects saving of mail, that is, when “save with i-mode (registered trademark) mail” is selected using the input unit 13 (ST11), the Web server 31 is selected. Transmits a mail storage request to the mail server 33 (ST12). In the mail server 33, a request for referring to the user information of the mobile terminal 1 is made to the user management server 32 (ST13), and the user management server 32 sends information on various mail settings of the user to the mail server 33 (ST14). ). The mail server 33 performs mail reception processing according to this mail setting. Then, the mail server 33 duplicates the additional reception BOX 3332 to the basic reception BOX 3331 and stores the mail (ST15). This mail is stored in the additional reception box 3332. Thereafter, the result of storing the mail is sent from the mail server 33 to the Web server 31 (ST16).

  Next, the Web server 31 requests the mail server 33 to delete the non-redistributable file (ST17). In the mail server 33, as shown in FIG. 5, the file control unit 337 sends the mails attached to the redistributable file A and the non-redistributable file B stored in the additional reception BOX 3332 as both files A and B. In the attached state, it is copied to the basic reception BOX 3331 (ST18). As a result, the Web mail is stored in the own terminal. Further, in the additional reception BOX 3332, the file control unit 337 deletes the non-redistributable file B (ST18).

  In this case, when the mail is copied from the additional reception BOX 3332 to the basic reception BOX 3331, the mail transmission source information is changed from the original mail address (aaa@mail.com) to the additional mail address (111@docomo.ne). .Jp), but the address setting unit 335 changes the mail address and sets the sender information so that the original sender can be easily recognized. That is, as shown in FIG. 5, the sender information is changed from the additional mail address (111@docomo.ne.jp) to the original mail address (aaa@mail.com) (transmission to the additional mail address). Maintain original information (header information)).

  Next, the mail server 33 transmits a result of completion of the above-described processing such as mail duplication to the Web server 31 (ST19), and the Web server 31 transmits a result indicating that the mail is stored to the portable terminal 1 (ST20). . Thereby, in the portable terminal 1, a screen as shown in FIG. 6B is displayed on the display unit 14 (ST21).

  As described above, according to the present web mail management method, when storing a web mail addressed to an additional mail address, the web mail is stored in the additional reception box 3332 with the non-redistributable file deleted, and the mobile communication mail. (For example, i-mode (registered trademark) mail) is copied to the basic reception BOX 3331 with a non-redistributable file attached. As a result, Web mail can be managed in a state in which DRM control is performed.

  FIG. 7 is a sequence diagram for explaining a mail transfer mode in the web mail management method according to the embodiment of the present invention. FIG. 8 is a view for explaining a mail transfer mode in the web mail management method according to the embodiment of the present invention.

  In the web mail management method of the present invention, when transferring a web mail, the non-redistributable file attached to the web mail stored in the additional reception box 3332 is deleted.

  Similarly to the above, the terminal 5 (aaa@mail.com) is addressed to the additional mail address of the portable terminal 1 having the basic mail address (222@docomo.ne.jp) and the additional mail address (111@docomo.ne.jp). When mail is sent from, it is received by Web mail. It is assumed that a redistributable file A and a non-redistributable file B are attached to this mail as shown in FIG. At this time, the mail is stored in the additional reception box 3332 of the mail server 33. When the Web mail is received, a reception notification mail is sent from the mail server 33 to the mobile terminal 1. When the mobile terminal 1 starts a browser with the application control unit 15 and logs in to the Web mail site, a screen as shown in FIG. 9A is displayed on the display unit 14.

  When the user selects mail forwarding on the screen shown in FIG. 9A, that is, when “Reply / Forward” is selected using the input unit 13 (ST31), the Web server 31 requests to store a transmission history. Is transmitted to the mail server 33 (ST32). The mail server 33 stores the transmission history (ST33), and then transmits the transmission history storage completion result to the Web server 31 (ST34).

  Next, the Web server 31 transmits a mail storage request to the mail server 33 (ST35). In the mail server 33, a request for referring to the user information of the mobile terminal 1 is made to the user management server 32 (ST36), and the user management server 32 sends information on various mail settings of the user to the mail server 33 (ST37). ).

  Next, the Web server 31 requests the mail server 33 to delete the non-redistributable file (ST38). In the mail server 33, as shown in FIG. 8, the file control unit 337 deletes the non-redistributable file B by the file control unit 337 and stores it in the additional transmission BOX 334 (ST39).

  Next, the mail server 33 transmits the result of completion of the above-described processing such as preparation for mail transfer to the Web server 31 (ST40), and the Web server 31 transmits the result that the preparation for mail transfer is completed to the mobile terminal 1. (ST41). Thereby, in the portable terminal 1, a screen as shown in FIG. 9B is displayed on the display unit 14 (ST42).

  As described above, according to the present webmail management method, when a webmail addressed to the additional mail address is transferred, the webmail is stored in the additional transmission BOX 334 with the non-redistributable file deleted and ready for transfer. As a result, it is possible to manage Web mail in a state where DRM control is performed.

  The present invention is not limited to the configuration described in the above embodiment, and the display mode on the screen can be changed as appropriate without departing from the scope of the present invention. In addition, the processing unit and the processing sequence in the above embodiment can be appropriately changed and implemented without departing from the scope of the present invention.

It is a figure which shows schematic structure of the webmail management system which concerns on embodiment of this invention. It is a block diagram which shows schematic structure of the portable terminal in the webmail management system shown in FIG. It is a figure which shows schematic structure of the mail server in the web mail management system shown in FIG. It is a sequence diagram for demonstrating the mail preservation | save aspect in the web mail management method which concerns on embodiment of this invention. It is a figure for demonstrating the mail preservation | save aspect in the web mail management method which concerns on embodiment of this invention. (A), (b) is a figure which shows the example of a screen display in the mail preservation | save aspect in the web mail management method which concerns on embodiment of this invention. It is a sequence diagram for demonstrating the mail transfer aspect in the web mail management method which concerns on embodiment of this invention. It is a figure for demonstrating the mail transfer aspect in the webmail management method which concerns on embodiment of this invention. (A), (b) is a figure which shows the example of a screen display in the mail transfer aspect in the web mail management method which concerns on embodiment of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Mobile terminal 2 Mobile communication network 3 Mobile communication center 4 Internet 5 Terminal 11,331 Control part 12,332 Communication control part 13 Input part 14 Display part 15 Application control part 31 Web server 32 User management server 33 Mail server 333 Reception BOX
334 Additional transmission BOX
335 Address setting unit 336 Mail distribution unit 337 File control unit 3331 Basic reception BOX
3332 Additional reception BOX

Claims (8)

A portable terminal device capable of sending and receiving mails by the first mail address and sending and receiving web mails by the second mail address, a first mail address inbox and a second mail address inbox, and stored in each inbox A mail server device having a mail control means for controlling mail, and a web mail management system comprising:
When the mail control means is instructed to save the web mail stored in the second mail address inbox to the mobile terminal device, the mail control means copies the web mail to the first mail address inbox. A web mail management system characterized by that.   When the mail control unit is instructed to save the web mail with the non-redistributable file attached to the mobile terminal device, the mail control means sends the web mail to the first mail with the non-redistributable file attached. 2. The web mail management system according to claim 1, wherein the redistributable file is deleted from the web mail stored in the second mail address inbox while being copied to the address inbox.   The mail control means, when instructed to transfer a webmail to which a non-redistributable file is attached, transfers the webmail in a state where the attachment of the non-redistributable file is released. The web mail management system according to claim 1 or 2. When instructed to store the webmail in the mobile terminal device, the sender of the webmail is not changed. When instructed to transfer the webmail, the sender of the webmail is designated as the sender of the webmail. 4. The web mail management system according to claim 1, further comprising address setting means for setting two mail addresses. A portable terminal device capable of sending and receiving mails by the first mail address and sending and receiving web mails by the second mail address, a first mail address inbox and a second mail address inbox, and stored in each inbox A mail server device having a mail control means for controlling mail, and a method for managing web mail,
When a mail server device having a first mail address inbox and a second mail address inbox receives a webmail with a non-redistributable file attached, the webmail is sent to the second mail address inbox. A step of storing, and a step of copying the web mail to the first mail address inbox when an instruction is given to save the web mail stored in the second mail address inbox in the portable terminal device And a web mail management method.   When an instruction is given to save a webmail with a non-redistributable file attached to the mobile terminal device, the webmail is copied to the first e-mail address inbox with the non-redistributable file attached. The web mail management method according to claim 5, wherein the file that cannot be redistributed is deleted from the web mail stored in the second mail address inbox.   7. The web mail is transferred in a state in which the attachment of the non-redistributable file is released when an instruction to transfer the web mail to which the non-redistributable file is attached is given. Webmail management method. When instructed to store the webmail in the mobile terminal device, the sender of the webmail is not changed. When instructed to transfer the webmail, the sender of the webmail is designated as the sender of the webmail. 8. The web mail management method according to claim 5, wherein two mail addresses are set.

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