JP2002223250A - Electronic mail server - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an electronic mail server capable of promoting the reception of an electronic mail transmitted to a portable telephone set without performing telephone speech for confirmation or the retransmission of an electronic mail. SOLUTION: This electronic mail server is provided with a first storage means for storing the telephone number of a portable telephone set and an electronic mail address by making them correspond to each other, a second storage means for storing a transmission electronic mail to the portable telephone set, a detecting means for detecting the same electronic mail as the received electronic mail received from the second storage means, and a transmitting means for automatically transmitting a telephone calling signal regularly in a prescribed period from the prescribed telephone number to the telephone number of the portable telephone set by using a calling telephone number display service provided by a telephone company. Then, it is possible to recognize that the electronic mail is transmitted by recognizing the incoming display by using the calling number display service.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

[0001] The present invention relates to an electronic mail server. More specifically, the present invention relates to an e-mail server capable of promoting reception of e-mail transmitted to a mobile phone using an e-mail service provided by a telephone company.

[0002]

2. Description of the Related Art In recent years, with the spread of mobile phones and the Internet, telephone companies have been providing electronic mail transmission / reception services to mobile phones. As for the e-mail service, the user of the mobile phone contracts the e-mail service with a telephone company which provides a telephone call service to the mobile phone.

[0003] By subscribing to this e-mail service, the mobile telephone has an e-mail address. The user of the mobile phone can transmit and receive an e-mail at the e-mail address via a contracted telephone company.

In the Internet e-mail service, a user's computer is not always connected to a contracted provider. Rather, they are often disconnected from providers. In this case, the user will connect to the provider to see if an email has been sent to his email address. In this case, the e-mail not received by the user is stored in the e-mail server of the provider.

[0005] In an e-mail service for a mobile phone provided by a telephone company, generally, an e-mail sent to a mobile phone as a destination is automatically transmitted to the mobile phone unless reception of radio waves from the mobile phone is prevented. The mobile phone is set to receive the e-mail as it is. That is, the setting is made so that the electronic mail can be received as it is when the mobile phone is in a state where a normal telephone call can be made. It can be said that the mobile phone is always connected to the telephone company for the e-mail service. Therefore, as long as the mobile phone user is ready to make a telephone call, that is, ready to receive e-mail, the user of the mobile phone must contact the telephone company to confirm that the e-mail has arrived at his / her e-mail address. There is no need to connect.

However, the portable telephone is not always in a state of being connected to a telephone company with which it has a contract, ie, in a state of being able to receive electronic mail. When the mobile phone is not in a state capable of making a telephone call, the mobile phone is not ready to receive an e-mail. For example, if the mobile phone is not turned on, the mobile phone has been disconnected from the telephone company, and the mobile phone cannot automatically receive telephone mail. If the mobile phone is located out of reach of radio waves, the connection with the telephone company has been disconnected and e-mail cannot be automatically received.

In such a case, the user of the portable telephone needs to connect the portable telephone with the telephone company's e-mail server in order to confirm whether the e-mail addressed to the user is stored in the telephone company's e-mail server. is there. When the mobile phone is connected to the e-mail server of the telephone company, the e-mail stored in the e-mail server of the telephone company is sent out and received by the mobile phone. Also, even if the mobile phone is not connected to the telephone company's email server in order to receive the email in this way, when the mobile phone is connected, that is, when the email is transmitted, the email is transmitted, The mobile phone will receive the e-mail along with other e-mails previously stored on the telephone company's e-mail server.

[0008] However, if the user of the portable telephone knows that he has not received the e-mail sent to himself, he tries to connect to the e-mail server of the telephone company to receive the e-mail addressed to himself. However, if it is not known whether or not the e-mail has been sent to itself, the user of the mobile phone does not always connect to the e-mail server of the telephone company. Even if the mobile phone receives the e-mail, in some cases, the user of the mobile phone may spend without knowing that the e-mail has been received.

Therefore, a person who has transmitted an e-mail to a portable telephone is placed in an unstable state in which it is difficult to determine whether the destination portable telephone has actually received the e-mail. In such a case, by using the e-mail reply means of the mobile phone to return the received e-mail to the source of the e-mail, the user of the mobile phone receives the e-mail and electronically acknowledges the recognition. The person who sent the mail can be notified.

[0010] If there is an agreement between the user of the mobile phone and the person who sends the e-mail to the mobile phone, the received e-mail should be sent back using the reply means of the mobile phone. The person who sent the e-mail can know whether the mobile telephone has received the e-mail and the user has recognized the received e-mail as long as the user of the mobile telephone observes the agreement.
In this case, if the user of the mobile phone as the destination does not reply with the e-mail, the mobile phone as the destination does not receive the e-mail or recognizes the e-mail received by the user of the mobile phone. Will be considered not.

If the transmitted e-mail is not replied, the person who sent the e-mail needs to have the mobile phone, which is the destination, receive or recognize the e-mail. One such technique is to resend the same e-mail until the e-mail is returned. It is also conceivable to make a call to the destination mobile phone to teach a user of the mobile phone to receive an e-mail.

Although these methods can be easily performed, the method of resending the same e-mail requires a new e-mail transmission cost, and requires a telephone call to a mobile phone. The method of notifying the user that the e-mail has been sent to the user requires a telephone charge.

An object of the present invention is to provide an e-mail server capable of prompting reception of an e-mail transmitted to a mobile phone without making a telephone call for confirmation or re-transmitting the e-mail. Is to do.

[0014]

The present inventor has studied the conventional technique. As a result, the method of re-sending the same e-mail with the reply of the e-mail is not only incurring the cost of sending the re-send, but also sending the re-sent e-mail before receiving it I noticed that the e-mail was eventually wasted. Knowing one content is useless as long as it is an e-mail with the same content. Rather, it can be said that the trouble of confirming the same e-mail is increased. In addition, a method of making a call to a mobile phone and talking with the user of the mobile phone is also possible. If a phone call is made with the user of the mobile phone to which the e-mail is sent, the contents of the e-mail can be taught in the end. I noticed that the email I sent was wasted.

Therefore, the present inventor has studied a method of notifying the other party that the e-mail has been transmitted so that the transmitted e-mail is not wasted. As a result, I thought that I could use the calling number display service provided by the telephone company. The calling number display service provided by a telephone company is a service for transmitting a telephone number of a caller to a telephone at a destination of a telephone call signal. If it is agreed between the user of the mobile phone and the person who sends the e-mail that the e-mail has been sent when a call is made from a predetermined telephone number, the user of the mobile phone will be displayed on the display of the mobile phone It was thought that by knowing the incoming call display of the telephone call signal provided, it would be possible to know that the e-mail was sent from the person who negotiated the agreement.

In this case, no telephone charges are incurred unless a telephone call is received merely by knowing the incoming call display of the telephone call signal. Therefore, if a telephone call signal is transmitted from a predetermined telephone number to the mobile telephone using a calling number display service until the transmitted electronic mail transmitted from the mobile telephone is returned, the electronic mail is transmitted without generating a telephone charge. It was thought that the user of the mobile phone could be notified of the fact. He also thought that emails already sent were not wasted.

Accordingly, the present inventor has made an e-mail server capable of promoting the arrival of e-mail transmitted to a portable telephone using an e-mail service provided by a telephone company as a result of earnest research. A first storage unit for storing a telephone number of a telephone set and an e-mail address in association with each other; a second storage unit for storing a transmission e-mail transmitted to the mobile phone; and the transmission unit stored in the second storage unit Detecting means for detecting the same e-mail as the received e-mail received from the e-mail; andthe telephone company until the transmitted e-mail is detected as the same e-mail as the received e-mail by the detecting means. Using the provided outgoing telephone number display service, the telephone number of the mobile telephone to which the outgoing e-mail is transmitted is a predetermined telephone number. The e-mail server; and a transmitting means for automatically transmitting a predetermined period regular telephone call signals invented.

The electronic mail server according to the present invention notifies the user of the mobile phone of the fact that the electronic mail has been sent to the mobile phone by notifying the mobile phone using a calling telephone number display service provided by the telephone company. It is possible to notify that the mail has been transmitted and to prompt the reception of the e-mail that has not been received.

That is, the e-mail server of the present invention uses the outgoing telephone number display service provided by the telephone company to automatically generate a telephone call signal from a predetermined telephone number until the transmitted e-mail transmitted from the mobile phone is returned. Calls are sent for a certain period of time at certain intervals. Since the telephone call signal is transmitted using the caller telephone number display service, the destination mobile phone receives the telephone number of the telephone call signal source. The mobile phone of the receiver of the telephone number displays the predetermined telephone number of the caller, or the predetermined display content when the mobile phone is set to display the predetermined display content with respect to the predetermined telephone number. Will be displayed.

In this way, by displaying the predetermined telephone number of the transmission source or the predetermined display contents when the telephone call signal arrives at the portable telephone, the user of the portable telephone can confirm that the e-mail has been transmitted to the portable telephone. You can know. In this case, the user of the mobile telephone need not make a telephone call in response to the telephone call signal, but rather can disconnect the telephone call signal. Therefore, no telephone charge is generated in the current charge system for a predetermined telephone number that has transmitted the telephone call signal.

Until the transmitted transmission e-mail is returned, a telephone call signal is periodically transmitted for a predetermined period of time, so that the power of the mobile phone is turned off or the mobile phone is out of reach of radio waves. However, after the mobile phone is ready to receive the telephone call signal, it is possible to receive the telephone call signal, and therefore, it is possible to notify the user of the mobile phone that the e-mail has been transmitted.

As described above, the electronic mail server of the present invention
Until the transmitted electronic mail is returned from the mobile telephone to which the transmitted electronic mail is transmitted, the user of the mobile telephone can be prompted to receive the transmitted electronic mail.

[0023]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the electronic mail server of the present invention will be described below.

The e-mail server of the present invention is an e-mail server capable of promoting the arrival of e-mail transmitted to a portable telephone using an e-mail service provided by a telephone company.

As described above, a telephone company currently provides an e-mail transmission / reception service to a mobile phone, and the e-mail server of the present invention provides a mobile phone using the e-mail transmission / reception service of the telephone company. The purpose is to encourage reception of the sent e-mail.

The configuration of the electronic mail server according to the present invention will be described. The electronic mail server of the present invention functions as an electronic mail server and can have the same function as a normal electronic mail server. The e-mail server of the present invention can receive a transmission e-mail created in a connected computer and send it to the outside, or can receive an e-mail and transfer it to a connected computer. it can. Further, the electronic mail server of the present invention may have means for creating an electronic mail to be transmitted to the mobile phone, that is, an electronic mail to be transmitted.

[0027] The electronic mail server of the present invention has a first storage means for storing the telephone number of the portable telephone and the electronic mail address in association with each other.

The first storage means preliminarily stores a telephone number and an e-mail address of a portable telephone to which an e-mail is to be transmitted using an e-mail service provided by a telephone company, and stores them in correspondence with each other. Means. The mobile phone referred to here is a mobile phone using an e-mail service for the mobile phone provided by a telephone company.

As long as the storage capacity of the computer used as the e-mail server is within the range, the numbers of the telephone numbers and e-mail addresses of the portable telephones stored in the first storage means are not particularly limited. By storing the telephone number of the mobile phone and the e-mail address in the first storage means in association with each other, the telephone number can be searched from the e-mail address of the mobile phone.

The first storage means preferably stores the name of the user of the portable telephone in association with the telephone number and the e-mail address in consideration of the convenience of reference.

Further, the electronic mail server of the present invention has a second storage means for storing the transmitted electronic mail transmitted to the portable telephone.

By storing the transmitted e-mail in the second storage means in this way, when the transmitted e-mail is returned and received, the received e-mail received by the detecting means described later is used. It is possible to detect the same e-mail from among the outgoing e-mails stored in the second storage means and identify the outgoing e-mails that have not been returned yet.

When the transmitted e-mail is replied, the transmitted e-mail is automatically classified as a returned e-mail in the second storage means. The reply transmission electronic mail can be deleted from the second storage means as appropriate. This is because the reply transmitted e-mail has already been received by the destination mobile phone, and the purpose of prompting reception to the mobile phone has been achieved. Also, if the transmitted e-mail is not deleted, the number of transmitted e-mails stored in the second storage means increases, and the work efficiency decreases. It is also possible to set so as to save the sent e-mail that has been replied for a certain period of time. This is because the user of the mobile phone may request retransmission for some reason.

In this case, the e-mail address of the transmission destination is described in the header of the transmission e-mail.
If you save the sent e-mail to the storage means,
The destination e-mail address can be detected from the header part of the transmitted e-mail. Generally, the destination e-mail address is described in a field "To" in the header of the e-mail. For example, "T
o: xxxx @ xxxx. xx. The electronic mail address of the transmission destination is described after "To" like "xx".

It is preferable that the second storage unit separately stores the e-mail address of the destination mobile phone in association with the transmitted e-mail. As described above, the e-mail address of the transmission destination is described in the header of the transmitted e-mail. However, if the outgoing e-mail and the e-mail address of the destination mobile phone are stored in association with each other and the transmitted e-mail transmitted from the e-mail address can be searched, any user can be identified from the e-mail address. It is possible to easily know what transmission e-mail has been sent to the user and which user has not returned the transmission e-mail.

The number of transmitted e-mails stored in the second storage means is not particularly limited as long as it is within the range of the capability of the computer used as the e-mail server.

Further, the electronic mail server of the present invention has detecting means for detecting the same electronic mail as the received electronic mail among the transmitted electronic mails stored in the second storage means.

When the detecting means detects the same e-mail as the received e-mail received from the several e-mails stored in the second storage means, the received e-mail is transmitted and transmitted. The e-mail is assumed to have been replied. An outgoing e-mail that is not detected as the same e-mail as the received e-mail by this detecting means is identified as an outgoing e-mail that has not been replied to yet.

As described above, when the user of the mobile phone receives the transmitted e-mail, the user is to reply directly to the transmission source by the reply means of the mobile phone, so that the same e-mail as the transmitted e-mail is transmitted. Until it is received, it is processed as if it has not been received by the destination mobile phone.

The detection of the same received e-mail from the outgoing e-mail stored in the second storage means can be performed by an appropriate method.

For example, this can be realized by determining whether or not the same identification code as that described in the transmitted electronic mail is described in the received electronic mail when transmitting the transmitted electronic mail.

In general, an e-mail is composed of a body part and a header part. The body part corresponds to the body of the e-mail. On the other hand, in the header part, information on the electronic mail is described in several fields. For example, the “To” field has an e-mail destination e-mail address, the “From” field has an e-mail destination e-mail address, and “Dat”.
The transmission date and time of the transmitted e-mail is described in the field “e”.

In the field of "Subject", the title of the electronic mail and the like are described. In this field, the person who creates the e-mail determines and writes the contents. When the transmitted e-mail is returned by the reply means, "R" is displayed in the "Subject" field.
The character described in the e-mail transmitted after the character "e:" is described as it is. For example, if “E-mail server” is described in the “Subject” field of the transmitted e-mail and transmitted, the “Subject” of the returned e-mail directly returned by the reply unit
In the field of “ct”, “Re: electronic mail server” is described and returned.

The "Message-ID" field describes the ID number of the electronic mail. If the transmitted e-mail is returned by the reply means, the header of the returned e-mail contains "Ref".
There is a field of “erences”, in which the ID number described in the “Message-ID” field of the transmitted e-mail is described.

The identification code can be described in both the header and the body. When the identification code is described in the header part, for example, a field of “Subject” can be used. The identification code is described in the “Subject” field of the transmission e-mail and transmitted. When the transmitted transmission e-mail is returned as it is, the “Subject” field of the received return e-mail contains “Re:”. The identification code should be written as it is after the character string.

To detect the same e-mail as the received e-mail from the outgoing e-mails stored in the second storage means, enter the "Subject" field in the header of the received e-mail. It is determined whether the same identification code as the identification code described in the “Subject” field of the transmitted e-mail is described, and the same identification code as the identification code described in the received received e-mail is determined. This can be realized by searching the described transmission e-mail.

"Message-ID" in the header section
Can be used as an identification code. If the received received e-mail is a return e-mail sent from the return e-mail by the reply means, the header section includes "reference"
There is a “ces” field in which the same code as the identification code described in the “Message-ID” field of the outgoing e-mail should be described.

To detect the same e-mail as the received e-mail from the outgoing e-mails stored in the second storage means, the header field of the received e-mail includes a "References" field. It is detected whether or not there is, and if the field of "References" is detected, the same identification code as the identification code described therein is searched for the transmission e-mail described in the field of "Message-ID". Can be realized.

When transmitting the transmitted e-mail, it is determined whether or not the same identification code as the identification code described in the header of the transmitted e-mail is described in the header of the received e-mail. It is determined whether the e-mail address of the source of the e-mail matches the e-mail address of the destination of the transmitted e-mail, and the same e-mail as the received e-mail is stored in the second storage means. Can be detected from outgoing e-mails.

Regarding the transmission of an e-mail, the same e-mail may be transmitted to a plurality of destinations by one procedure in addition to the case where the e-mail is transmitted to one destination.
In this case, since it is transmitted by one procedure, "Subject
In some cases, a plurality of transmitted e-mails having the same identification code described in the field “t” may be established. In such a case, it is not possible to determine from which destination the return e-mail was sent only by the identification code, so the e-mail address of the destination of the e-mail and the e-mail of the source of the received e-mail By judging whether or not the address matches, the same e-mail as the received e-mail can be detected from the outgoing e-mails stored in the second storage means. As described above, the e-mail address of the transmission destination and the e-mail address of the transmission source are respectively set in the “To” field in the header of the e-mail,
It can be detected from the “From” field.
If the electronic mail address of the transmission destination is stored in the second storage means in association with the electronic mail, the electronic mail address can be used.

The method of detecting the same electronic mail as the received received electronic mail from the transmitted electronic mails stored in the second storage means is not limited to the method described above. For example, as described above, the identification code for identifying the transmission electron is described in the body part of the e-mail, and whether the identification code of the body part of the reception e-mail is the same as the identification code of the transmission e-mail is determined. It is also possible to detect the same e-mail as the received e-mail from the transmitted e-mails stored in the second storage means.

Further, since there is a limit to the text of an e-mail transmitted to a mobile phone without using an identification code, the text of the body of the received e-mail and the text of the body of the transmitted e-mail are limited. Can be detected by determining whether or not.

The sent electronic mail detected by the detecting means can be automatically classified as a reply sent electronic mail and excluded from the detection. Automatically second
It is possible to arbitrarily set whether to delete from the storage means or to delete after saving a certain period.

The electronic mail server according to the present invention uses the outgoing telephone number display service provided by the telephone company until the transmitted electronic mail is detected as the same electronic mail as the received electronic mail by the detecting means. Transmitting means for automatically transmitting a telephone call signal from the predetermined telephone number to the telephone number of the destination mobile phone periodically for a predetermined period.

Until the detection means detects the transmitted e-mail as the same e-mail as the received e-mail,
The outgoing e-mail should not have been replied yet from the destination mobile phone. Therefore, the mobile phone is regarded as not receiving the transmitted e-mail as long as the transmitted e-mail is not returned as described above. Therefore, it is necessary to prompt the user of the mobile phone to receive the transmitted electronic mail.

The transmitting means of the electronic mail server of the present invention comprises:
By using a telephone line having a predetermined telephone number, a telephone call signal is transmitted to a destination mobile phone of the transmission e-mail, and the predetermined telephone number is transmitted to the destination mobile phone. Therefore, the electronic mail server of the present invention is used by connecting to a telephone line. In order to connect the electronic mail server to the telephone line, it is possible to connect using an appropriate connection means according to the type of the telephone line, for example, a modem when the telephone line is an analog telephone line. This transmitting means is a normal transmitting means for transmitting a telephone call signal through a telephone line except for using a transmitting telephone number display service provided by a telephone company.

Since the transmitting means transmits the telephone call signal using the transmitting telephone number display service, a predetermined telephone number is transmitted to the destination portable telephone. The telephone number used at this time is not particularly limited.

When the portable telephone, which is the destination of the telephone call signal, receives the telephone call signal, it receives a predetermined telephone number, which is the telephone number of the caller, when receiving the call. The mobile phone that has received the destination telephone number is set on the display so that the predetermined telephone number or another character such as “e-mail sent” for the predetermined telephone number is displayed on the display. The other characters will be displayed.

The user of the portable telephone can recognize that the electronic mail has been transmitted to his / her own portable telephone by recognizing the display of the incoming call signal. If you receive the specified phone number,
If a setting can be made so that a specific ringing tone is generated, it is possible to recognize that an electronic mail has been transmitted to the own mobile phone by the ringing tone. The user of the mobile phone can disconnect the telephone call signal without responding to the telephone call signal.

If the portable telephone has a function of storing the history of the telephone number of the caller who received the call by the caller telephone number display service, even if the telephone call signal is received, the telephone number of the caller can be obtained. You can know
The user can recognize that the telephone mail has been transmitted to his / her mobile phone.

As described above, the e-mail server of the present invention
Without calling your phone to confirm receipt of your call,
The reception of the e-mail transmitted to the mobile phone can be prompted. In addition, reception of an electronic mail can be prompted without retransmitting the electronic mail.

In the current telephone company charge system, no telephone charge is generated because the telephone call signal is not answered. Therefore, in the current fee system, the e-mail server of the present invention can notify the user of the mobile phone that the transmission e-mail has been transmitted without generating a telephone charge.

The electronic mail server of the present invention is used as follows.

First, the telephone number of the portable telephone and the e-mail address are stored in advance in the first storage means of the e-mail server in association with each other. In some cases, the name of the user of the mobile phone is also stored in association with the name.

A computer connected to the e-mail server or the e-mail server of the present invention creates an outgoing e-mail to be transmitted to the mobile phone. The created transmission e-mail is transmitted to the mobile phone using an e-mail transmission service provided by the telephone company. Therefore, the mobile phone in this case is a mobile phone that has a contract with a telephone company to receive an e-mail transmission / reception service.

When the transmission electronic mail is transmitted, the transmission electronic mail is automatically stored by the second storage means. In this case, it can be stored together with the e-mail address of the destination mobile phone.

When the transmitted outgoing e-mail is received by the destination mobile phone, and the outgoing e-mail is returned by the reply means by the user of the mobile phone, the e-mail server which is the transmission source transmits the returned e-mail. Receive mail.

The detecting means detects the same electronic mail as the returned electronic mail from the transmitted electronic mail stored in the second storage means. If the same transmitted e-mail as the reply e-mail is detected, the transmitted e-mail is processed as a detected transmitted e-mail.

Until the transmitted transmission e-mail is detected by the detection means, the transmission means periodically uses the telephone company's transmission telephone number display service on the mobile phone to which the transmission e-mail is to be transmitted. To send a telephone call signal.

This predetermined period can be set appropriately. 10 hours or 2 days can be set appropriately. Also, the interval at which the telephone call signal is periodically transmitted can be appropriately set. The interval may be 30 minutes or 1 hour. Further, it is also possible to set such that a telephone call signal is not transmitted during a certain time period, for example, at night.

The user of the portable telephone receiving the telephone call signal recognizes the display on the display of the portable telephone, and
It is possible to know that the transmission electronic mail has been transmitted to the mobile phone. If the outgoing e-mail has not yet arrived, the user connects to the e-mail server of the telephone company to receive the outgoing e-mail.

After that, when the transmitted electronic mail is returned by the reply means, the electronic mail is detected by the detecting means of the electronic mail server, and the transmitted electronic mail is processed as the detected transmitted electronic mail. The automatic transmission of the telephone call signal ends.

[0073]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the electronic mail server according to the present invention will be described below. FIG. 1 shows a screen of a computer connected to the electronic mail server of the present invention and transmitting an electronic mail from the electronic mail server.

When a computer connected to the e-mail server creates a transmission e-mail of the text described in the column of “contents of the transmission e-mail” in FIG. 1 and clicks the mail transmission, the transmission e-mail is sent from the e-mail server. Sent. At this time, the electronic mail server stores both the electronic mail address of the transmission destination and the electronic mail to be transmitted.

When the portable telephone receives the transmitted e-mail, the text described in the column of "contents of transmitted mail" is displayed on the display of the portable telephone. The user of the mobile phone that has received the transmitted e-mail sends “dengon @ s” in the text of the transmitted e-mail.
hintou. co. Click "jp" to reply to the source e-mail server.

The e-mail server recognizes the identification code described in the “Subject” field of the header of the received e-mail, and transmits the transmitted e-mail having the same identification code as the identification code. It is detected from stored outgoing e-mails. In the present embodiment, a character string obtained by encrypting the transmission date and time (year, month, day, year, hour, minute, second) is used as an identification code so as not to be duplicated.

When the same transmitted electronic mail as the received received electronic mail is detected, the transmitted electronic mail is excluded from the detection target. However, in the present embodiment, it is possible to cope with a situation in which the transmission electronic mail stored in the electronic mail server for a certain period of time and received by the user of the mobile phone is erased by mistake.

Until the transmitted e-mail is detected as the same e-mail as the transmitted e-mail, the transmitted e-mail is not returned, and the e-mail server sends a telephone call signal to the mobile phone. Since the telephone call signal is transmitted using the calling telephone number display service, a predetermined telephone number used by the transmission source e-mail server is received by the mobile phone. In the present embodiment, the mobile phone is set to display an incoming call message "Message is included". If the user of the mobile phone recognizes the message saying "You have a message," then connect to the e-mail server that stores the e-mail of the telephone company if you have not received the e-mail, and receive outgoing e-mail from it. become. When the transmission e-mail is received, "dengon@shintou.c" is used in the same manner as described above.
o. Click “jp” to send the outgoing email to the email server that is the sender.

In this embodiment, a telephone call signal is set to be transmitted to the mobile phone every 30 minutes as long as the transmission electronic mail is not returned in this way.

[0080]

The electronic mail server according to the present invention can prompt the reception of the electronic mail transmitted to the portable telephone without making a telephone call for confirmation.

Further, the e-mail server of the present invention can prompt the reception of the e-mail transmitted to the portable telephone without retransmitting the same outgoing e-mail. Absent.

[Brief description of the drawings]

FIG. 1 is a diagram showing a screen of a computer for creating an outgoing e-mail to be transmitted from an e-mail server of the present invention.

Claims (6)

[Claims] 1. An e-mail server capable of promoting reception of e-mail sent to a mobile phone using an e-mail service provided by a telephone company, comprising: a telephone number, an e-mail address, First storage means for storing the transmitted electronic mail transmitted to the mobile phone, and received electronic data received from the transmitted electronic mail stored in the second storage means. Detecting means for detecting the same e-mail as the e-mail; and using a calling telephone number display service provided by the telephone company until the detecting means detects the transmitted e-mail as the same e-mail as the received e-mail. A telephone call from the predetermined telephone number to the telephone number of the mobile phone to which the transmission e-mail is to be sent periodically for a predetermined period. E-mail server; and a transmitting means for automatically transmitting a signal. 2. The e-mail server according to claim 1, wherein the second storage unit further stores the e-mail address of the destination mobile phone in association with the transmitted e-mail. 3. The detecting means writes an identification code in the transmitted e-mail when transmitting the transmitted e-mail, and determines whether the same identification code as the identification code is described in the received e-mail. Claim 1 or 2 which determines
Email server as described. 4. The electronic mail server according to claim 3, wherein the identification code is described in a header of the transmitted electronic mail. 5. The electronic mail server according to claim 4, wherein the identification code is described in a “Subject” field of the header of the transmitted electronic mail. 6. The apparatus according to claim 3, wherein said detecting means further determines whether or not the source e-mail address of said received e-mail matches the destination e-mail address of said transmitted e-mail. Email server as described.