JPH10233798A - Mail delivery method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide the main delivery method by which the communication cost is reduced. SOLUTION: The method prepares an address delivery destination cross reference table 111 that stores a cross reference table between a reception destination mail address and a delivery destination of a mail, a transmission source address importance cross reference table 112 that stores a transmission source mail address and importance for each address, and an address telephone number cross reference table 113 that cross-references a reception destination mail address and an external line number of a mobile terminal 5. In the case that a mail server 11 receives a mail, a transmission source address and a capacity of a mail are obtained and the mail is delivered to the mobile terminal 5 or a desk-top terminal 22 which is more proper based on the address delivery destination cross reference table 111, the transmission source address importance cross reference table 112 and the address telephone number cross reference table 113.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to the field of communications, and more particularly to a mail delivery method for transmitting and receiving data wirelessly and by wire.

[0002]

2. Description of the Related Art In recent years, mobile terminals have been provided with various functions, and those having a mail transmission / reception function have increased.

[0006] The conventional system shown in FIG. 6 is provided with two mail servers 11 and 12. Each of the mail servers 11 and 12 has an address / delivery destination correspondence table 111 which is a correspondence between a destination mail address and a mail delivery destination, and delivers mail based on the address / delivery destination correspondence table 111.

The system comprises desktop terminals 21 and 22 for sending and receiving e-mails and performing calculations, and routers 31 and 32 for deciding data routes on a network.
If the mobile terminal 5 is present on the premises after exchanging an extension telephone or an outside line on the premises, the PB storing the location information thereof is stored.
X4, a mobile terminal 5 connected to a public network and an extension by wireless and wired, a cell 6 for communicating with the mobile terminal 5 by wireless when the mobile terminal 5 is in a premises, and a public network 7 When the mobile terminal 5 is located outside, the mobile terminal 5 comprises a public base station 8 that communicates with the mobile terminal 5 by radio.

[0005] Each of the mail servers 11 and 12
The mail is delivered according to the flowchart of FIG. That is, the mail servers 11 and 12 are usually in a state of waiting for mail, and when a mail arrives, the process shifts to STEP2 (S2).
TEP1).

[0006] Then, referring to the address / delivery destination correspondence table 11 according to the mail address, the mail is delivered to the place specified in the table 11 or the mail is spooled (STEP 2).

[0007]

In the conventional mail delivery method, if the mail servers 11 and 12 are set to transmit mail to the mobile terminal 5, the mail server 11 or 12 sends the mail to the mobile terminal 5 every time a mail arrives. send mail.

[0008] However, since the mail is generally delivered to the mobile terminal 5 through the public network 7, it is very expensive. In addition, in the conventional mail delivery method, even a mail of low importance such as a sales mail is delivered to the mobile terminal 5, and the cost tends to be high.

A mobile terminal 5 is located on the premises and a public network 7 is provided.
Even when mail is transmitted to the mobile terminal 5 by a wireless LAN or the like without using the wireless communication, the cost tends to be high because the data transmission capability of the wireless communication is lower than that of the wired communication. As described above, in the conventional mail delivery method, the mail is delivered to the ruler without considering the communication circumstances, so that there is a problem that the communication cost increases.

Accordingly, an object of the present invention is to provide a mail delivery method capable of reducing communication costs.

[0011]

According to the mail delivery method of the present invention, an address / delivery destination correspondence table which is a correspondence between a destination mail address and a mail delivery destination, a source mail address and the importance of each address are stored. And a correspondence table between the destination mail address and the outside line number of the mobile terminal are prepared, and when the mail server receives the mail, it is sent. Calculate the original address and the size of the mail, and based on the address / delivery destination correspondence table, source address / importance correspondence table, and address / telephone number correspondence table, send the mail to either the mobile terminal or the desktop terminal. Is to be delivered to the other party.

[0012]

DESCRIPTION OF THE PREFERRED EMBODIMENTS In the mail delivery method according to the first aspect, an address / delivery destination correspondence table, which is a correspondence between a destination mail address and a mail delivery destination, a source mail address and the importance of each address are stored. And a correspondence table between the destination mail address and the outside line number of the mobile terminal are prepared, and when the mail server receives the mail, it is sent. Calculate the original address and the size of the mail, and based on the address / delivery destination correspondence table, source address / importance correspondence table, and address / telephone number correspondence table, send the mail to either the mobile terminal or the desktop terminal. Is to be delivered to the other party.

With this configuration, when the mail server receives the mail, it checks the size and the sender address of the mail, and if the mail is an important sender, sends the mail to the mobile terminal 5, and the mail server has a low importance. If the mail is from the sender, the delivery destination is changed according to the mail sender and the size of the mail, such as sending the mail to the desktop terminal or discarding it, and suppressing the delivery of unimportant mail By doing so, communication costs can be reduced.

Hereinafter, an embodiment of the present invention will be described with reference to FIG.
This will be described with reference to FIG. The system shown in FIG. 1 includes two mail servers 11 and 12. Each of the mail servers 11 and 12 stores an address / delivery destination correspondence table 111 in which a destination mail address and a mail destination are associated with each other, and the source mail address and the importance of each address are stored. Address / importance correspondence table 1
12 and an address / telephone number correspondence table 113 in which the destination address and the outside line number of the mobile terminal 5 are associated with each other.

The system comprises desktop terminals 21 and 22 for sending and receiving e-mails and performing calculations, and routers 31 and 32 for deciding data routes on a network.
When the mobile terminal 5 is in the premises after exchanging the extension telephone or the outside line in the premises, the PBX 4 storing the position information thereof.
A mobile terminal 5 connected to a public network and an extension by wireless and wired; a cell 6 for communicating with the mobile terminal 5 by wireless when the mobile terminal 5 is in a premises; When the mobile terminal 5 is outside the premises, the mobile terminal 5 has a public base station 8 that communicates with the mobile terminal 5 by radio.

Next, each process of the mail delivery method according to the present embodiment will be described with reference to FIG. Mail server 1
1 and 12 are usually in a state of waiting for mail, and when a mail arrives, the process proceeds to STEP 2 (STEP 1).

Next, it is confirmed from the address / telephone number correspondence table 113 whether the mail can be delivered to the mobile terminal 5 or not. If the mail address has the mobile terminal 5, S
The process proceeds to STEP3, and if the mail address does not have the mobile terminal 5, the process proceeds to STEP5 (STEP2).

Next, the source address of the mail and the size of the mail are checked (STEP 3). From the mail source / importance correspondence table 112, if the mail is to be transmitted to the desktop terminals 21 and 22, the process proceeds to STEP5, and if the mail is to be transmitted to the mobile terminal 5, the process proceeds to STEP6 (STEP4). Then, the mail is delivered to the desktop terminals 21 and 22 (STEP 5) or the mail is delivered to the mobile terminal 5 (STEP 6).

Next, a more specific description will be given with reference to FIGS. As shown in FIG. 5, the sender J is the receiver A
Is sent to the mail server 111 of the receiver A through the router 32 of the sender J and the router 31 of the receiver A.

The mail server 111 of the receiver A obtains the external line number of the mail address aaa of the receiver A from the address / telephone number correspondence table 113 (FIG. 4), and makes a call from the sender address / importance correspondence table 112. The importance of "always deliver to desktop terminal" is obtained for the mail from person J (FIG. 3). Therefore, the mail server 111
Delivers the mail to the desktop terminal 21.

Similarly, the sender F (source address: ff
f) and mail sent by the sender H (source address: hhh) are always delivered to the mobile terminal 5 from the address / telephone number correspondence table 113, and the sender G (source address: g)
gg) is discarded, and the mail sent by sender I (source address: iii) is 500 bytes.
If it is above, it will be sent to the desktop type terminal and 500by
If it is less than te, it is transmitted to the mobile terminal 5.

[0022]

The present invention is configured as described above.
Mail with low importance or large size is delivered to the desktop terminal according to the mail source mail address and the size of the mail, and mail with high importance is given priority to the mobile terminal, so that the recipient can In addition, it is possible to prevent unnecessary mail from being received by paying a public line fee, thereby reducing communication costs.

[Brief description of the drawings]

FIG. 1 is a system configuration diagram for performing a mail delivery method according to an embodiment of the present invention.

FIG. 2 is a flowchart of a mail delivery method according to an embodiment of the present invention.

FIG. 3 is a diagram showing an example of a source address / importance correspondence table according to the embodiment of the present invention;

FIG. 4 is a diagram showing an example of a dial / telephone number table according to the embodiment of the present invention;

FIG. 5 is a schematic diagram of a case where mail is delivered to a desktop terminal according to an embodiment of the present invention.

FIG. 6 is a system configuration diagram for performing a conventional mail delivery method.

FIG. 7 is a flowchart showing a procedure of a conventional mail delivery method.

[Explanation of symbols]

 111 Address / Destination Correspondence Table 112 Source Address / Importance Correspondence Table 113 Address / Telephone Number Correspondence Table

Claims (1)

[Claims] 1. An address / delivery destination correspondence table which is a correspondence between a destination mail address and a mail delivery destination, a source address / importance degree correspondence table for storing a source mail address and importance for each address, Prepare an address / telephone number correspondence table in which the destination mail address and the external line number of the mobile terminal are associated with each other, and when the mail server receives the mail, obtain the source address and the size of the mail. Delivering mail to a mobile terminal or a desktop terminal, whichever is appropriate, based on the delivery destination correspondence table, the source address / importance correspondence table, and the address / telephone number correspondence table; The mail delivery method you want.