JP2002077222A - Device and method for encoding of elecronic mail - Google Patents

Abstract

PROBLEM TO BE SOLVED: To solve the problem that conventionally a file sent from an electronic mail user (transmitter) cannot be decoded by another electronic mail user (receiver). SOLUTION: An electronic mail user (transmitter) 1, an electronic mail user (receiver) 2, and mail servers 3, 4, and 5 are connected to the Internet 7, the decode format of a mailer that the electronic mail user (receiver) is using is registered at a database(DB) 6 of the mail server 5 over the Internet, the electronic mail user (transmitter) inquires the decode format registered by the electronic mail user (transmitter) to the mail server 5, when transmitting an electronic mail, obtains the decode format, encodes the electronic mail in an encode format that can be decoded by the electronic mail user (receiver), and transmits it to the destination mail address of the electronic mail user (receiver) via the mail server 3. The electronic mail is read by the electronic mail user (receiver) which is stored in the mail server 4.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus and method for encoding an electronic mail, and more particularly, to encoding a file to be transmitted by the electronic mail, encoding the electronic mail to be transmitted by applying an encoding format that can be decoded by a recipient. The present invention relates to an application device and a method.

[0002]

2. Description of the Related Art Conventional file transmission by Internet e-mail requires an e-mail user (recipient).
Regarding the decoding format, the encoding was performed without any information being transmitted.

[0003] If the formats do not match in the encoding and decoding of the file, there is a problem that the file transmitted by the e-mail user (sender) cannot be decoded by the e-mail user (recipient).

[0004]

The first problem with the conventional e-mail encoding and decoding application method described above is that the e-mail user (recipient) sends a file sent by the e-mail user (sender). Cannot decode.

[0005] The reason is that, in file transmission by e-mail, the arbitrary decoding format of the e-mail user (sender) is applied without any information on the decoding format of the e-mail user (recipient). Cannot be decoded if the encoding and decoding formats do not match.

SUMMARY OF THE INVENTION An object of the present invention is to know the decoding format of a mailer (mail software) used by an e-mail user (recipient) so that the e-mail user (recipient) can be used.
It is an object of the present invention to provide an e-mail encoding application apparatus and method for enabling an e-mail user (recipient) to receive an e-mail to which an encoding format matching the decoding format of the e-mail is applied.

[0007]

According to a first aspect of the present invention, there is provided an electronic mail encoding application apparatus and method, wherein an electronic mail user (recipient) uses a mailer (mail software).
(DB) of registration site (mail server or web server) on the Internet
When sending an e-mail, the e-mail user (sender) queries the registration site (mail server or web server) on the Internet about the decoding format of the mailer (mail software) registered by the e-mail user (recipient) Obtain information on the decoding format of the mailer (mail software) used by the e-mail user (recipient), and e-mail the encoding format of the mailer (mail software) used by the e-mail user (sender) The e-mail is transmitted in an encoding format that matches the decoding format of the mailer (mail software) used by the user (recipient).

[0008] Further, according to a second aspect of the present invention, there is provided an electronic mail encoding application apparatus and method, wherein an electronic mail user (recipient) decodes a mailer (mail software) used by himself / herself using a registration site (mail) on the Internet. Server or web server) database (DB),
When sending an e-mail, the e-mail user (sender) encodes the e-mail in an appropriate encoding format of the e-mail user (sender) 's own mailer (mail software), and this e-mail is first sent to a mail server on the Internet. The identification information that the e-mail user (recipient) needs to be converted into an encoding format that matches the decoding format registered in the database (DB) of the registration site on the Internet and transmitted is sent to the e-mail user (recipient). ) Attached to the e-mail together with the destination e-mail address and sent, and the transmitted e-mail is first sent to the registration site database (D) by the identification information added to the e-mail together with the e-mail user (recipient) destination e-mail address.
B) Encoding conversion is performed by a mail server that converts the data into an encoding format that matches the decoding format registered in B) and delivered to an e-mail user (recipient), or when the e-mail user (sender) 1 transmits an e-mail, First, the registration site database (D
Instead of using identification information indicating that it is necessary to convert the data into an encoding format that matches the decoding format registered in B) and transmit the encoding format, an encoding that matches the decoding format registered in the database (DB) of the registration site first The address of the mail server to be converted into the format is set as the destination mail address of the e-mail, and the e-mail user (recipient) destination e-mail address is added thereto and transmitted.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The feature of the present invention is that, first, an e-mail user (recipient) decodes a mailer (mail software) used by himself / herself into a registration site (mail server or web server) on the Internet. In the database (DB).

[0010] Next, one method is that an e-mail user (sender) transmits an e-mail when a mailer (e-mail software) registered by the e-mail user (recipient) is decoded on a registration site (e-mail) on the Internet. Server or web server) to obtain information about the decoding format of the mailer (mail software) used by the e-mail user (recipient), and to use the mailer (mail software) used by the e-mail user (sender). The e-mail is transmitted in an encoding format that matches the decoding format of the mailer (mail software) used by the e-mail user (recipient).

In the second method, the e-mail user (sender) encodes the e-mail in an appropriate encoding format of the e-mail user (sender) 's own mailer (mail software) when sending the e-mail. This e-mail must be sent to a mail server on the Internet after the e-mail user (recipient) has converted it into an encoding format that matches the decoding format registered in the database (DB) of the registration site on the Internet. The identification information to the effect is added to the electronic mail together with the electronic mail user (recipient) destination mail address and transmitted.

The transmitted e-mail is converted into an encoding format that matches the decoding format previously registered in the database (DB) of the registration site based on the identification information added to the e-mail together with the e-mail user (recipient) destination e-mail address. The encoding conversion is performed by the mail server to be converted, and the converted mail is delivered to the e-mail user (receiver).

Here, as another method, when an e-mail user (sender) 1 transmits an e-mail, a mail server on the Internet first sends a database (DB) of a registration site.
Instead of using the identification information indicating that it is necessary to convert the data into an encoding format that matches the decoding format registered in, and send it to the encoding format that matches the decoding format registered in the database (DB) of the registration site first, There is also a method in which the address of the mail server to be converted is used as an e-mail destination mail address, and an e-mail user (recipient) destination mail address is added to the e-mail.

The transmitted e-mail is transferred to an e-mail user (recipient) after being subjected to encoding conversion by a mail server designated by the destination e-mail address of the e-mail.

Next, an embodiment of the present invention will be described with reference to the drawings.

Next, a first embodiment of the first invention will be described in detail with reference to FIG.

FIG. 1 is a connection system diagram showing an embodiment of an electronic mail encoding application apparatus and method according to the first embodiment of the first invention.

A description will be given with reference to FIG. Referring to FIG. 1, an e-mail user (sender) 1, an e-mail user (recipient) 2, a mail server 3, a mail server 4, and a mail server 5 are connected to the Internet 7.

First, an e-mail user (recipient) 2 registers a decoding format of a mailer (mail software) used by himself / herself in a database (DB) 6 of a mail server 5 which is a registration site on the Internet 7. Perform processing.

In the main registration process, the e-mail user (recipient) 2 sets the destination mail address as the e-mail, sets the mail server 5 of the registration site, and decodes the contents of the mailer (mail software) used by the user. Alternatively, if it is from the sender side, an encoding format that matches the decoding format) and the registration information are added, and the mail server of the registration site via the mail server 4 to which the e-mail user (recipient) 2 subscribes 5 (route RT1).

The mail server 5 receives the electronic mail,
By recognizing the registration information, the decoding format of the mailer (mail software) used by the e-mail user (recipient) 2 of the e-mail content and the e-mail user (recipient) extracted as the e-mail sender 2) Register the second e-mail address in the database (DB) 6 in association with it.

Next, when sending an e-mail, the e-mail user (sender) 1 converts the decoding format of the mailer (mail software) registered by the e-mail user (recipient) 2 into a mail server 5 which is a registration site on the Internet. And a decoding format information obtaining process for obtaining information on a decoding format of a mailer (mail software) used by the electronic mail user (recipient) 2 is performed.

In this decoding format information obtaining process, the e-mail user (sender) 1 is an e-mail, the destination e-mail address is the mail server 5 of the registration site, and the contents are the e-mail user (recipient) 2 e-mail address. The e-mail user (sender) 1 sends the message to the mail server 5 of the registration site via the mail server 3 to which the e-mail user (sender) 1 has subscribed (route RT2).

The mail server 5 receives the electronic mail,
By recognizing the inquiry information, the content of the e-mail can be related to the e-mail user (recipient) 2 e-mail address in the previous registration process based on the e-mail user (recipient) 2 e-mail address. The decoding format of the mailer (mail software) used by the e-mail user (recipient) 2 registered in the database (DB) 6 is read from the database (DB) 6.

Next, the mail server 5 converts the decode format read from the database (DB) 6 together with the mail address of the electronic mail user (recipient) 2 into the electronic mail of the electronic mail transmitted in the decode format information obtaining process. The e-mail is sent to the e-mail address of the e-mail user (sender) 1 extracted as the e-mail sender, and this e-mail is stored in the mail server 3 to which the e-mail user (sender) 1 subscribes (route RT3). .

Next, the e-mail user (sender) 1
By receiving the e-mail transmitted from the mail server 5 via the mail server 3, the decoding format information of the e-mail user (recipient) 2 of the previously inquired e-mail address can be obtained (route RT4).

The e-mail user (sender) 1 obtains the decoding format information of the e-mail user (recipient) 2, encodes the e-mail in an encoding format that the e-mail user (recipient) 2 can decode, and sends the e-mail to a mail server. A call is sent to the destination mail address of the e-mail user (recipient) 2 via the route 3 (route RT5).

The e-mail sent to the e-mail user (recipient) 2 is stored in the mail server 4 to which the e-mail user (recipient) 2 subscribes, and is stored in the e-mail user (recipient).
2, the e-mail user (sender) 1 can decode the e-mail and read the e-mail in a format as it is encoded by the e-mail user (recipient) 2 in an encoding format suitable for the decoding format of the e-mail user (recipient) 2. (Route RT6).

Here, each mail server 3, 4,
Although 5 has been described without distinguishing it as a sending mail server or a receiving mail server, usually, the sending system is a sending mail server, and the final receiving point of electronic mail functions as a receiving mail server. The same applies to the following embodiments.

Next, a second embodiment of the first invention will be described in detail with reference to FIG.

FIG. 2 is a connection system diagram showing an embodiment of an electronic mail encoding application apparatus and method according to a second embodiment of the first invention.

A description will be given with reference to FIG. Referring to FIG. 2, an e-mail user (sender) 1, an e-mail user (recipient) 2, a mail server 3, and a mail server 4
Is connected to the Internet 7.

First, the e-mail user (recipient) 2 determines whether the decoding format of the mailer (mail software) he or she is using is a registered site on the Internet 7 or a mail to which the e-mail user (recipient) 2 has joined. A registration process for registering in the database (DB) 6 of the mail server 4 which is also a server is performed.

In the main registration process, the e-mail user (recipient) 2 sets the destination mail address as the e-mail, sets the mail server 4 of the registration site as the e-mail, and decodes the contents of the mailer (mail software) used by the user. Alternatively, if it is from the sender side, the information is added to the decoding format (encoding format that matches the decoding format) and the registration information, and transmitted to the mail server 4 of the registration site (route RT1).

The mail server 4 receives the electronic mail,
By recognizing the registration information, the decoding format of the mailer (mail software) used by the e-mail user (recipient) 2 of the e-mail content and the e-mail user (recipient) extracted as the e-mail sender 2) Register the second e-mail address in the database (DB) 6 in association with it.

Next, when sending an e-mail, the e-mail user (sender) 1 converts the decoding format of the mailer (mail software) registered by the e-mail user (recipient) 2 into a mail server 4 which is a registration site on the Internet. And a decoding format information obtaining process for obtaining information on a decoding format of a mailer (mail software) used by the electronic mail user (recipient) 2 is performed.

In this decoding format information obtaining process, the e-mail user (sender) 1 is an e-mail, the destination e-mail address is the mail server 4 of the registration site, and the contents are the e-mail user (recipient) 2 e-mail address. The e-mail is sent to the mail server 4 of the registered site via the mail server 3 to which the e-mail user (sender) 1 has added (route RT2).

The mail server 4 receives the electronic mail,
By recognizing the inquiry information, the content of the e-mail can be related to the e-mail user (recipient) 2 e-mail address in the previous registration process based on the e-mail user (recipient) 2 e-mail address. The decoding format of the mailer (mail software) used by the e-mail user (recipient) 2 registered in the database (DB) 6 is read from the database (DB) 6.

Next, the mail server 4 converts the decoding format read from the database (DB) 6 together with the mail address of the electronic mail user (recipient) 2 into the electronic format of the electronic mail transmitted in the decoding format information obtaining process. The e-mail is sent to the e-mail address of the e-mail user (sender) 1 extracted as the e-mail sender, and this e-mail is stored in the mail server 3 to which the e-mail user (sender) 1 subscribes (route RT3). .

Next, the e-mail user (sender) 1
By receiving the main e-mail transmitted from the mail server 4 via the mail server 3, it is possible to obtain the decoding format information of the e-mail user (recipient) 2 of the mail address inquired earlier (route RT4).

The e-mail user (sender) 1 obtains the decoding format information of the e-mail user (recipient) 2, encodes the e-mail in an encoding format that the e-mail user (recipient) 2 can decode, and sends the e-mail to a mail server. A call is sent to the destination mail address of the e-mail user (recipient) 2 via the route 3 (route RT5).

The e-mail sent to the e-mail user (recipient) 2 is stored in the mail server 4 to which the e-mail user (recipient) 2 subscribes, and is stored in the e-mail user (recipient).
2, the e-mail user (sender) 1 can decode the e-mail and read the e-mail in a format as it is encoded by the e-mail user (recipient) 2 in an encoding format suitable for the decoding format of the e-mail user (recipient) 2. (Route RT6).

Next, a third embodiment of the first invention will be described in detail with reference to FIG.

FIG. 3 is a connection system diagram showing an embodiment of an electronic mail encoding application apparatus and method according to a third embodiment of the first invention.

A description will be given with reference to FIG. Referring to FIG. 3, an e-mail user (sender) 1, an e-mail user (recipient) 2, a mail server 3, a mail server 4, and a web server 8 are connected to the Internet 7.

First, an e-mail user (recipient) 2 registers a decoding format of a mailer (mail software) used by the user in a database (DB) 6 of a web server 8 which is a registration site on the Internet 7. Perform processing.

In the main registration process, the e-mail user (recipient) 2 accesses the web server 8 by setting the URL of the web server 8 as a registration site on the Internet 7 using a web browser, and It sends the decoding format (or the encoding format that matches the decoding format from the sender side) of the mailer (mail software) and its mail address to the web server 8 of the registration site (route RT1).

The web server 8 determines the decoding format of the mailer (mail software) used by the received e-mail user (recipient) 2 and the e-mail user (recipient) 2
Database (DB) 6 by relating the e-mail address of
Register with.

Next, the e-mail user (sender) 1 sends the e-mail user (recipient) 2 before sending the e-mail.
Inquires about the decoding format of the registered mailer (mail software) to the web server 8, which is a registered site on the Internet, to obtain information on the decoding format of the mailer (mail software) used by the e-mail user (recipient) 2. To perform decoding format information acquisition processing.

The decoding format information obtaining process is performed by the electronic mail user (sender) 1 using a web browser and the UR of the web server 8 which is a registration site on the Internet 7.
Accessing the web server 8 by setting L,
The e-mail user (recipient) 2 is designated by the e-mail address, and is associated with the e-mail user (recipient) 2 e-mail address in the previous registration process and registered in the database (DB) 6. The decoding format of the mailer (mail software) used by the receiver 2 is read from the database (DB) 6 (route RT23).
4).

Next, the e-mail user (sender) 1 obtains the decoding format information of the e-mail user (recipient) 2, so that the e-mail user (recipient) 2 converts the e-mail in an encoding format that the e-mail user (recipient) 2 can decode. The data is encoded and transmitted to the destination mail address of the e-mail user (receiver) 2 via the mail server 3 to which the e-mail user (sender) 1 has joined (route RT5).

The e-mail sent to the e-mail user (recipient) 2 is stored in the mail server 4 to which the e-mail user (recipient) 2 subscribes, and is stored in the e-mail user (recipient).
2, the e-mail user (sender) 1 can decode the e-mail and read the e-mail in a format as it is encoded by the e-mail user (recipient) 2 in an encoding format suitable for the decoding format of the e-mail user (recipient) 2. (Route RT6).

Next, the first embodiment of the second invention will be described in detail with reference to FIG.

FIG. 4 is a connection system diagram showing an embodiment of an electronic mail encoding application apparatus and method according to the first embodiment of the second invention.

A description will be given with reference to FIG. Referring to FIG. 4, an e-mail user (sender) 1, an e-mail user (recipient) 2, a mail server 3, a mail server 4, and a mail server 5 are connected to the Internet 7.

First, an e-mail user (recipient) 2 registers a decoding format of a mailer (mail software) used by the user in a database (DB) 6 of a mail server 5 which is a registration site on the Internet 7. Perform processing.

In the main registration process, the e-mail user (recipient) 2 sets the destination mail address as the e-mail, sets the mail server 5 of the registration site as the e-mail, and decodes the contents of a mailer (mail software) used by the user. Alternatively, if it is from the sender side, an encoding format that matches the decoding format) and the registration information are added, and the mail server of the registration site via the mail server 4 to which the e-mail user (recipient) 2 subscribes 5 (route RT1).

The mail server 5 receives the electronic mail,
By recognizing the registration information, the decoding format of the mailer (mail software) used by the e-mail user (recipient) 2 of the e-mail content and the e-mail user (recipient) extracted as the e-mail sender 2) Register the second e-mail address in the database (DB) 6 in association with it.

Next, when sending the e-mail, the e-mail user (sender) 1 encodes the e-mail in an appropriate encoding format of the e-mail user (sender) 1's own mailer (mail software), Is converted by the mail server 5 on the Internet 7 into an encoding format that matches the decoding format registered by the e-mail user (recipient) 2 in the database (DB) 6 of the registration site on the Internet 7 by the previous registration process and transmitted. Is added to the e-mail together with the e-mail user (recipient) 2 destination e-mail address and transmitted via the e-mail user (sender) 1 subscribed mail server 3. . The transmitted e-mail is encoded according to the identification information added to the e-mail together with the e-mail user (recipient) 2 destination e-mail address and the decoding format registered in the database (DB) 6 of the registration site by the previous registration processing. Encoding conversion is performed by the mail server 5 that converts the data into a format, and the mail is delivered to the electronic mail user (recipient) 2. The e-mail delivered to the e-mail user (recipient) 2 is the e-mail user (recipient) 2
Is saved in the mail server 4 of the subscription (route RT
5).

The e-mail stored in the mail server 4 is read by the e-mail user (recipient) 2, and the e-mail server 5 encodes the e-mail into an encoding format suitable for the decoding format of the e-mail user (recipient) 2. The e-mail can be decoded and the e-mail can be read (route RT6).

Here, as another method, when the electronic mail of the electronic mail user (sender) 1 is transmitted, the electronic mail user (recipient) 2 is registered on the Internet 7 by the mail server 5 on the Internet 7 by the previous registration processing. Instead of using the identification information indicating that it is necessary to convert the data into an encoding format that matches the decoding format registered in the registration site database (DB) 6 and transmit the same, the registration site database (DB) is used in the previous registration processing. The address of the mail server 5 that converts the data into an encoding format that matches the decoding format registered in 6 is set as the destination mail address of the e-mail, and an e-mail user (recipient) 2 destination e-mail address is added thereto and transmitted. The e-mail is encoded and converted by the mail server 5 specified by the e-mail destination e-mail address. E-mail user after it has been (recipient)
2 (route RT5).

Next, a second embodiment of the second invention will be described in detail with reference to FIG.

FIG. 5 is a connection system diagram showing an embodiment of an electronic mail encoding application apparatus and method according to the second embodiment of the second invention.

A description will be given with reference to FIG. Referring to FIG. 5, an e-mail user (sender) 1, an e-mail user (recipient) 2, a mail server 3, and a mail server 4
Is connected to the Internet 7.

First, the e-mail user (recipient) 2 determines whether the decoding format of the mailer (mail software) he or she is using is a registered site on the Internet 7 or a mail to which the e-mail user (recipient) 2 has joined. A registration process for registering in the database (DB) 6 of the mail server 4 which is also a server is performed.

In the main registration process, the e-mail user (recipient) 2 sets the destination mail address as the e-mail, sets the mail server 4 of the registration site as the e-mail, and decodes the contents of a mailer (mail software) used by the user. Alternatively, if it is from the sender side, the information is added to the decoding format (encoding format that matches the decoding format) and the registration information, and transmitted to the mail server 4 of the registration site (route RT1).

The mail server 4 receives the electronic mail,
By recognizing the registration information, the decoding format of the mailer (mail software) used by the e-mail user (recipient) 2 of the e-mail content and the e-mail user (recipient) extracted as the e-mail sender 2) Register the second e-mail address in the database (DB) 6 in association with it.

Next, when sending the e-mail, the e-mail user (sender) 1 encodes the e-mail in an appropriate encoding format of the e-mail user (sender) 1's own mailer (mail software), Is converted by the mail server 4 on the Internet 7 into an encoding format that matches the decoding format registered in the database (DB) 6 of the registration site on the Internet 7 by the e-mail user (recipient) 2 through the previous registration process and transmitted. Is added to the e-mail together with the e-mail user (recipient) 2 destination e-mail address and transmitted via the e-mail user (sender) 1 subscribed mail server 3. . The transmitted e-mail is encoded according to the identification information added to the e-mail together with the e-mail user (recipient) 2 destination e-mail address and the decoding format registered in the database (DB) 6 of the registration site by the previous registration processing. Encoding conversion is performed by the mail server 4 that converts the data into a format, and the mail is delivered to the electronic mail user (recipient) 2. The e-mail delivered to the e-mail user (recipient) 2 is the e-mail user (recipient) 2
Is saved in the mail server 4 of the subscription (route RT
5).

The e-mail stored in the mail server 4 is read out by the e-mail user (recipient) 2, and the e-mail server 4 encodes the e-mail into an encoding format suitable for the decoding format of the e-mail user (recipient) 2. The e-mail can be decoded and the e-mail can be read (route RT6).

Here, as another method, when the electronic mail of the electronic mail user (sender) 1 is transmitted, the electronic mail user (recipient) 2 on the Internet 7 registers the electronic mail by the mail server 4 to which the electronic mail user (subscriber) 2 subscribes. User (recipient) 2
Is a database of registered sites on the Internet 7 (D
B) The decoding registered in the database (DB) 6 of the registration site by the previous registration processing, instead of using the identification information indicating that it is necessary to convert the data into an encoding format that matches the decoding format registered in 6 and transmit the same. The address of the mail server 4 to be converted into the encoding format that matches the format is set as the destination mail address of the e-mail, the e-mail is transmitted with the e-mail user (recipient) 2 destination e-mail address added thereto. A method may be used in which the mail is converted by the mail server 4 specified by the destination mail address of the electronic mail and then transferred to the electronic mail user (recipient) 2 (route RT5).

Here, as still another method, when the e-mail user (sender) 1 transmits an e-mail, the e-mail user (sender) 1 performs normal e-mail transmission.

That is, the e-mail user (recipient) 2 encodes the e-mail into the destination mail address in an appropriate encoding format of the e-mail user (sender) 1's own mailer (mail software), and the e-mail user (sender) )
1 via the subscribed mail server 3.
The sent e-mail is the e-mail user (recipient)
2 Based on the destination mail address, an e-mail user (recipient) 2 who converts the e-mail into an encoding format that matches the decoding format registered in the database (DB) 6 of the registration site by the previous registration process has joined. Encoding conversion is performed in the mail server 4, and the mail is delivered to the e-mail user (recipient) 2. The e-mail delivered to the e-mail user (recipient) 2 is the e-mail user (recipient) 2
(Route RT5).

Next, a third embodiment of the second invention will be described in detail with reference to FIG.

FIG. 6 is a connection system diagram showing an embodiment of an electronic mail encoding application apparatus and method according to the third embodiment of the second invention.

A description will be given with reference to FIG. Referring to FIG. 6, an e-mail user (sender) 1, an e-mail user (recipient) 2, a mail server 3, a mail server 4, a mail server 5, and a web server 8 are connected to the Internet 7
It is connected to the.

First, the e-mail user (recipient) 2 registers the decoding format of the mailer (mail software) used by the user in a database (DB) 6 of a web server 8 which is a registration site on the Internet 7. Perform processing.

In the main registration process, the e-mail user (recipient) 2 accesses the web server 8 by setting the URL of the web server 8 as a registration site on the Internet 7 using a web browser, It sends the decoding format (or the encoding format that matches the decoding format from the sender side) of the mailer (mail software) and its mail address to the web server 8 of the registration site (route RT1).

The web server 8 determines the decoding format of the mailer (mail software) used by the received e-mail user (recipient) 2 and the e-mail user (recipient) 2
Database (DB) 6 by relating the e-mail address of
Register with.

Here, the mail server 5 actually performs the conversion process of converting the transmitted e-mail into an encoding format that matches the decoding format of the e-mail user (recipient) 2. Database (D
B) The e-mail user (recipient) registered in 6 in association with the e-mail user (recipient) 2 e-mail address
The conversion information in the decode format of the mailer (mail software) used by the mail server 2 is stored in the database (D
B) Stored in 9 and used for encoding conversion in the mail server 5. When the database (DB) 6 of the web server 8 of the registration site and the database (DB) 9 of the mail server 5 performing the conversion process are located at the same place, they are directly connected as shown by the jump symbol in FIG. Database (DB). If they are not located at the same location, data transmission / reception is performed via the Internet 7.

Next, the e-mail user (sender) 1 encodes the e-mail in an appropriate encoding format of the mailer (mail software) of the e-mail user (sender) 1 at the time of sending the e-mail. Is a decode registered by the e-mail user (recipient) 2 in the database (DB) 9 of the mail server 5 via the database (DB) 6 of the registration site on the Internet 7 by the previous registration processing in the mail server 5 on the Internet 7 E-mail user (recipient) 2 is attached to the e-mail together with identification information indicating that it needs to be transmitted after being converted into an encoding format that matches the format, and e-mail user (sender) 1 subscribes. Via the mail server 3 which has been sent. The transmitted e-mail is converted into an encoding format that matches the decoding format registered in the database (DB) 9 by the previous registration process by using the identification information added to the e-mail together with the e-mail user (recipient) 2 destination e-mail address. The mail server 5 performs encoding conversion and distributes it to the e-mail user (recipient) 2.
The e-mail delivered to the e-mail user (recipient) 2 is stored in the mail server 4 subscribed to by the e-mail user (recipient) 2 (route RT5).

The e-mail stored in the mail server 4 is read out by the e-mail user (recipient) 2 and the mail server 5 encodes the e-mail into an encoding format suitable for the decoding format of the e-mail user (recipient) 2. The e-mail can be decoded and the e-mail can be read (route RT6).

Here, as another method, when the electronic mail user (sender) 1 transmits an electronic mail, the electronic mail user (recipient) 2 is registered on the Internet 7 by the mail server 5 on the Internet 7 by the previous registration processing. Instead of using the identification information indicating that the data needs to be converted into an encoding format that matches the decoding format registered in the database (DB) 9 of the mail server 5 via the database (DB) 6 of the registration site and transmitted, The address of the mail server 5 that is converted into an encoding format that matches the decoding format registered in the database (DB) 9 by the registration process is set as the destination mail address of the e-mail, and the e-mail user (recipient) 2 destination e-mail address The attached e-mail is sent, and the sent e-mail is sent to the e-mail specified by the destination e-mail address. Rusaba email users (recipients) after the encoding conversion is performed in 5 may be the method that is transferred to the 2 (the root RT5).

Next, a fourth embodiment of the second invention will be described in detail with reference to FIG.

FIG. 7 is a connection system diagram showing an embodiment of an electronic mail encoding application apparatus and method according to a fourth embodiment of the second invention.

A description will be given with reference to FIG. Referring to FIG. 7, an e-mail user (sender) 1, an e-mail user (recipient) 2, a mail server 3, a mail server 4, and a web server 8 are connected to the Internet 7.

First, the electronic mail user (recipient) 2 registers the decoding format of the mailer (mail software) used by the user in a database (DB) 6 of a web server 8 which is a registration site on the Internet 7. Perform processing.

In the main registration process, the e-mail user (recipient) 2 accesses the web server 8 by setting the URL of the web server 8 as a registration site on the Internet 7 using a web browser, and It sends the decoding format (or the encoding format that matches the decoding format from the sender side) of the mailer (mail software) and its mail address to the web server 8 of the registration site (route RT1).

The web server 8 determines the decoding format of the mailer (mail software) used by the received e-mail user (recipient) 2 and the e-mail user (recipient) 2
Database (DB) 6 by relating the e-mail address of
Register with.

Here, the conversion process for converting the transmitted electronic mail into an encoding format that matches the decoding format of the electronic mail user (recipient) 2 is actually performed by the subscription of the electronic mail user (recipient) 2. The mailer used by the e-mail user (recipient) 2 registered in the database (DB) 6 of the registration site in association with the e-mail address of the e-mail user (recipient) 2 The conversion information of the decoding format of (mail software) is stored in the database (DB) 9 of the mail server 4 and used for encoding conversion in the mail server 4.
Database (DB) 6 of web server 8 of registration site
And the database (D
B) 9 may be directly connected if they are in the same place, or may be the same database (DB). If they are not located at the same location, data transmission / reception is performed via the Internet 7.

Next, the e-mail user (sender) 1 encodes the e-mail in an appropriate encoding format of the mailer (mail software) of the e-mail user (sender) 1 at the time of sending the e-mail. Is a mail server (4) on the Internet (7), the e-mail user (recipient) 2 registered in the database (DB) 9 of the mail server 5 via the database (DB) 6 of the registration site on the Internet 7 by the previous registration process. E-mail user (recipient) 2 is attached to the e-mail together with identification information indicating that it needs to be transmitted after being converted into an encoding format that matches the format, and e-mail user (sender) 1 subscribes. Via the mail server 3 which has been sent. The transmitted e-mail is encoded according to the identification information added to the e-mail together with the e-mail user (recipient) 2 destination e-mail address and the decoding format registered in the database (DB) 9 of the registration site by the previous registration processing. Encoding conversion is performed by the mail server 4 that converts the data into a format, and the mail is delivered to the e-mail user (recipient) 2. The e-mail delivered to the e-mail user (recipient) 2 is stored in the mail server 4 subscribed to by the e-mail user (recipient) 2 (route RT5).

The e-mail stored in the mail server 4 is read by the e-mail user (recipient) 2, and the e-mail server 4 encodes the e-mail into an encoding format suitable for the decoding format of the e-mail user (recipient) 2. The e-mail can be decoded and the e-mail can be read (route RT6).

Here, as another method, when the electronic mail user (sender) 1 transmits an electronic mail, the electronic mail user (recipient) 2 on the Internet 7 registers the electronic mail by the above-described registration processing in the mail server 4. User (recipient) 2
Is a database of registered sites on the Internet 7 (D
B) The database (DB) 9 of the mail server 5 via 6
Instead of using the identification information indicating that it is necessary to convert the data into an encoding format that matches the decoding format registered in the registration format and transmit it, it matches the decoding format registered in the database (DB) 9 of the registration site by the previous registration processing. The address of the mail server 4 to be converted to the encoding format to be converted is set as the destination mail address of the e-mail, the e-mail user (recipient) 2 destination e-mail address is added thereto, and the transmitted e-mail is transmitted. A method may also be adopted in which the mail server 4 specified by the destination mail address performs encoding conversion and then transfers it to the e-mail user (recipient) 2 (route RT5).

Here, as still another method, when the e-mail user (sender) 1 transmits an e-mail, the e-mail user (sender) 1 performs normal e-mail transmission.

That is, the e-mail user (recipient) 2 encodes the e-mail to the destination mail address in an appropriate encoding format of the e-mail user (sender) 1's own mailer (mail software), and the e-mail user (sender) )
1 via the subscribed mail server 3.
The sent e-mail is the e-mail user (recipient)
(2) E-mail to be converted into an encoding format that matches the decoding format registered in the database (DB) 9 of the mail server 5 via the database (DB) 6 of the registration site by the previous registration processing based on the destination mail address Encoding conversion is performed by the mail server 4 to which the user (recipient) 2 subscribes, and the e-mail user (recipient) 2
Will be delivered to The e-mail delivered to the e-mail user (recipient) 2 may be stored in the mail server 4 subscribed to by the e-mail user (recipient) 2 (route RT5).

[0095]

As described above, the apparatus and method for encoding an electronic mail according to the present invention has a first effect that an electronic mail user (sender) can decode an electronic mail user (receiver). , The e-mail user (recipient) can always decode the received file.

The reason is that the e-mail user (sender)
This is because the e-mail user (recipient) can obtain the decoding format of the e-mail user (recipient) registered on the Internet from the Internet and then transmit the file in a format that the e-mail user (recipient) can decode. .

The second effect is that the e-mail user (sender) can transmit without considering the format in which the e-mail user (recipient) can decode the file, and the e-mail user (recipient) can receive the file. The file can always be decoded.

The reason is that the mail server on the Internet can convert the e-mail user (recipient) into a decoding format of the e-mail user (recipient) registered on the Internet and transmit the file.

[Brief description of the drawings]

FIG. 1 is a connection system diagram showing an embodiment of an electronic mail encoding application apparatus and method according to a first embodiment of the first invention.

FIG. 2 is a connection system diagram showing an embodiment of an electronic mail encoding application apparatus and method according to a second embodiment of the first invention;

FIG. 3 is a connection system diagram showing one embodiment of an electronic mail encoding application apparatus and method according to a third embodiment of the first invention;

FIG. 4 is a connection system diagram showing an embodiment of an electronic mail encoding application apparatus and method according to the first embodiment of the second invention.

FIG. 5 is a connection system diagram showing an embodiment of an electronic mail encoding application apparatus and method according to a second embodiment of the second invention.

FIG. 6 is a connection system diagram showing one embodiment of an electronic mail encoding application apparatus and method according to a third embodiment of the second invention.

FIG. 7 is a connection system diagram showing one embodiment of an electronic mail encoding application apparatus and method according to a fourth embodiment of the second invention.

[Explanation of symbols]

 1 Email User (Sender) 2 Email User (Recipient) 3,4,5 Mail Server 6,9 Database (DB) 7 Internet 8 Web Server

Claims (26)

[Claims] 1. A mail server having a database for registering the decoding format of mail software on the Internet, and an e-mail user (recipient) registers the decoding format of the mail software used by the user on the Internet. Is registered in the mail server database, and the e-mail user (sender)
The e-mail user (recipient) queries the mail server, which is a registered site on the Internet, for the decoding format of the registered e-mail software, and sends information on the decoding format of the e-mail user (recipient) used by the e-mail user from the database. The electronic mail user (sender) reads and encodes the e-mail in an encoding format that can be decoded by the e-mail user (recipient) and sends the encoded e-mail to the destination e-mail address of the e-mail user (recipient). Email encoding application device. 2. A database for registering the decoding format of the mail software on the Internet is provided in a mail server to which the e-mail user (recipient) subscribes, and the e-mail user (recipient) uses the e-mail used by the user. The software decoding format is registered in the database of the mail server to which the e-mail user (recipient), which is a registration site on the Internet, is subscribed, and the e-mail user (sender) receives the e-mail user (reception) when sending the e-mail. Person)
Queries the mail server, which is a registered site on the Internet, for the decoding format of the registered mail software, reads information about the decoding format of the mail software used by the e-mail user (recipient) from the database, and sends the e-mail user E) encodes the e-mail in an encoding format that can be decoded by the e-mail user (recipient) and sends the e-mail to the destination e-mail address of the e-mail user (recipient). 3. A web server provided with a database for registering the decoding format of mail software on the Internet, and an e-mail user (recipient) registers the decoding format of the mail software used by the user on the Internet. The e-mail user (sender) registers the decoding format of the e-mail software registered by the e-mail user (recipient) before sending the e-mail to the web server which is a registration site on the Internet. Inquiry, information on the decoding format of the mail software used by the e-mail user (recipient) is read from the database, and the e-mail user (sender) sends the e-mail in an encoding format that the e-mail user (recipient) can decode. Encodes the email user (received E-mail encoding application device for sending to the destination e-mail address of the person. 4. A database for registering a decoding format of mail software on the Internet, a mail server for encoding conversion is provided, and an e-mail user (recipient) can decode the decoding format of the mail software used by the Internet user. Registered in the database of the mail server which is the above registration site, the e-mail user (sender) encodes the e-mail in the appropriate encoding format of the e-mail user (sender) 's own mail software when sending the e-mail, This e-mail must be sent to the e-mail user (recipient) together with the e-mail address of the e-mail user (recipient), indicating that the e-mail needs to be converted into an encoding format that matches the decoding format registered in the database of the registration site by the mail server on the Internet. Send it in addition to the e-mail and send the e-mail The e-mail is encoded by a mail server that converts the e-mail user (recipient) destination mail address and the identification information added to the e-mail into an encoding format that matches the decoding format registered in the database of the registration site by the previous registration process. An e-mail encoding application apparatus, which is converted and delivered to an e-mail user (recipient). 5. A database for registering a decoding format of mail software on the Internet, a mail server for encoding conversion is provided, and an e-mail user (recipient) can decode the decoding format of the mail software used by the user. Registered in the database of the mail server which is the above registration site, the e-mail user (sender) encodes the e-mail in the appropriate encoding format of the e-mail user (sender) 's own mail software when sending the e-mail, The mail server address to be converted to the encoding format that matches the decoding format registered in the database of the registration site by the previous registration process is used as the destination mail address of the e-mail, and the e-mail user (recipient) destination e-mail address is added and sent The sent e-mail is sent to the e-mail E-mail user (recipient) that performs encoding conversion on the mail server that converts the user (recipient) destination mail address to an encoding format that matches the decoding format registered in the database of the registration site by the previous registration process An e-mail encoding application apparatus, which is delivered to an e-mail. 6. A database for registering the decoding format of mail software on the Internet and a function for performing encoding conversion are provided on a mail server to which the e-mail user (recipient) subscribes, and the e-mail user (recipient) is provided with the user. Register the decoding format of the e-mail software used by the e-mail user (recipient), which is a registration site on the Internet, in the database of the e-mail server to which the e-mail user (subscriber) subscribes. ,
The e-mail is encoded in an appropriate encoding format of the e-mail user (sender) 's own mail software, and this e-mail is converted into an encoding format that matches the decoding format registered in the database of the registration site by a mail server on the Internet. The e-mail is sent together with the identification information indicating that it needs to be sent along with the e-mail user (recipient) destination e-mail address, and the transmitted e-mail is sent together with the e-mail user (recipient) destination e-mail address. Encoding conversion is performed by a mail server that converts the identification information attached to the e-mail into an encoding format that matches the decoding format registered in the database of the registration site by the previous registration processing, and is delivered to the e-mail user (recipient). An e-mail encoding application apparatus. 7. A database for registering a decoding format of mail software on the Internet and a function for performing encoding conversion are provided in a mail server to which an e-mail user (recipient) is subscribed. Register the decoding format of the e-mail software used by the e-mail user (recipient), which is a registration site on the Internet, in the database of the e-mail server to which the e-mail user (subscriber) subscribes. ,
The e-mail user (sender) encodes the e-mail in an appropriate encoding format of his / her own mail software and converts the e-mail address of the e-mail server to be converted to an encoding format that matches the decoding format registered in the database of the registration site by the previous registration process. The e-mail destination e-mail address is added to the e-mail user (recipient) destination e-mail address, and the e-mail is sent. The transmitted e-mail is encoded and converted by the mail server specified by the e-mail destination e-mail address. An e-mail encoding application device, which is transferred to an e-mail user (recipient) after being performed. 8. A database for registering a decoding format of mail software on the Internet and a function of performing encoding conversion are provided in a mail server to which an e-mail user (recipient) is subscribed, and the e-mail user (recipient) is provided with the user. Register the decoding format of the e-mail software used by the e-mail user (recipient), which is a registration site on the Internet, in the database of the e-mail server to which the e-mail user (subscriber) subscribes. ,
The e-mail user (sender) encodes the e-mail in the appropriate encoding format of his / her mail software and sends it. Based on the e-mail user (recipient) destination e-mail address, the e-mail is registered at the registration site. The encoding is performed by a mail server to which the e-mail user (recipient) subscribes to the encoding format that matches the decoding format registered in the database, and is delivered to the e-mail user (recipient). E-mail encoding application device. 9. A web server provided with a database for registering the decoding format of mail software on the Internet, a database for registering the decoding format of mail software on the Internet, and a mail server for performing encoding conversion. (Recipient) registers the decoding format of the mail software that he or she uses in the database of the web server which is a registration site on the Internet, and the registered decoding format is used by the mail server for encoding conversion. It is also stored in the database of the server, and when sending the e-mail, encodes the e-mail with the appropriate encoding format of the e-mail user (sender) 's own mail software, this e-mail is a mail server on the Internet, the registration site database Registered in Identification information indicating that it is necessary to convert the data to an encoding format that matches the email format and send the email together with the email address of the email user (recipient), and send the email. The encoding conversion is performed by the mail server which converts into an encoding format that matches the decoding format registered in the mail server database by the previous registration process based on the identification information added to the electronic mail together with the mail user (recipient) destination mail address. An electronic mail encoding application device, which is delivered to a mail user (receiver). 10. A web server provided with a database for registering the decoding format of mail software on the Internet, a database for registering the decoding format of mail software on the Internet, and a mail server for encoding conversion are provided on the Internet. A web server with a database for registering the decoding format of software and a database for registering the decoding format of mail software, a mail server for encoding conversion are deployed, and e-mail users (recipients) use their own The decoding format of the mail software is registered in the web server database, which is a registered site on the Internet, and the registered decoding format is also stored in the mail server database for use in encoding conversion by the mail server. When sending the e-mail, the user (sender) encodes the e-mail in an appropriate encoding format of the e-mail user (sender) 's own mail software, and matches the decoding format registered in the database of the registration site by the previous registration process The address of the mail server to be converted to the encoding format to be converted is set as the destination mail address of the e-mail, the e-mail user (recipient) is added with the destination e-mail address, and the transmitted e-mail is transmitted to the e-mail user (recipient). Based on the destination mail address, the mail server converts the data to an encoding format that matches the decoding format registered in the mail server database by the previous registration processing. The encoding conversion is performed and delivered to the e-mail user (recipient). Characteristic e-mail encoding application device. 11. An electronic mail user (recipient) having a web server provided with a database for registering the decoding format of mail software on the Internet, and a function for performing encoding conversion with a database for registering the decoding format of mail software on the Internet. Deployed on a mail server to which e-mail subscribers have subscribed, and the e-mail user (recipient) registers the decoding format of the e-mail software used by the user in the database of the web server, a registration site on the Internet, and the registered decoding format Is stored in the mail server database because it is used for encoding conversion by the mail server to which the e-mail user (recipient) subscribes, and the e-mail user (sender) is the e-mail user when sending the e-mail (Sender) Appropriate encoding form of own mail software The e-mail user encodes the e-mail with the formula, and the e-mail user sends identification information indicating that the e-mail needs to be converted to an encoding format that matches the decoding format registered in the database of the registration site on a mail server on the Internet and sent. (Recipient) Attached to the e-mail together with the destination e-mail address and sent, and the transmitted e-mail is sent to the e-mail by the registration process based on the identification information added to the e-mail together with the e-mail user (recipient) destination e-mail address An e-mail encoding application apparatus characterized in that encoding conversion is performed by a mail server that converts the data into an encoding format that matches a decoding format registered in a database of the server, and is delivered to an e-mail user (recipient). 12. A web server having a database for registering the decoding format of mail software on the Internet, and a database for registering the decoding format of mail software on the Internet and an e-mail user (recipient) having a function of performing encoding conversion. Deployed on a mail server to which e-mail subscribers have subscribed, and the e-mail user (recipient) registers the decoding format of the e-mail software used by the user in the database of the web server, a registration site on the Internet, and the registered decoding format Is stored in the mail server database because it is used for encoding conversion by the mail server to which the e-mail user (recipient) subscribes, and the e-mail user (sender) is the e-mail user when sending the e-mail (Sender) Appropriate encoding form of own mail software The e-mail is encoded by the formula, and the address of the mail server to be converted into the encoding format matching the decoding format registered in the mail server database by the previous registration process is set as the destination mail address of the e-mail, and the e-mail user (reception) )) Add the destination email address and send it.
An e-mail encoding application apparatus, wherein encoding is performed by a mail server specified by a destination e-mail address of an e-mail and then transferred to an e-mail user (recipient). 13. An e-mail user (recipient) having a web server provided with a database for registering the decoding format of mail software on the Internet, and having a database for registering the decoding format of mail software on the Internet and a function of performing encoding conversion. Deployed on a mail server to which e-mail subscribers have subscribed, and the e-mail user (recipient) registers the decoding format of the e-mail software used by the user in the database of the web server, a registration site on the Internet, and the registered decoding format Is stored in the mail server database because it is used for encoding conversion by the mail server to which the e-mail user (recipient) subscribes, and the e-mail user (sender) is the e-mail user when sending the e-mail (Sender) Appropriate encoding form of own mail software The e-mail is encoded by the formula and transmitted, and the e-mail is converted into an encoding format that matches the decoding format registered in the mail server database by the previous registration processing based on the e-mail user (recipient) destination mail address. An e-mail encoding application apparatus, wherein encoding conversion is performed by a mail server to which an e-mail user (recipient) subscribes, and the encoded mail is delivered to the e-mail user (recipient). 14. An e-mail user (recipient) registers a decoding format of the mail software used by the user in a database of a mail server which is a registration site on the Internet, and the e-mail user (sender) transmits the e-mail At the time of transmission, the e-mail user (recipient) queries the mail server, which is a registered site on the Internet, about the decoding format of the e-mail software registered, and information on the e-mail user (recipient) decoding format of the e-mail software used Is read from the database, and the e-mail user (sender) encodes the e-mail in an encoding format that can be decoded by the e-mail user (recipient) and sends it to the destination e-mail address of the e-mail user (recipient). E-mail encoding application method. 15. An e-mail user (recipient) who is a registered site on the Internet and decodes the e-mail software used by the e-mail user (recipient).
Register in the mail server database that subscribes,
When sending an e-mail, the e-mail user (sender) queries the mail server, a registered site on the Internet, about the decoding format of the e-mail software registered by the e-mail user (recipient) and uses the e-mail user (recipient). Reads information on the decoding format of the mail software being used from the database and sends it to the e-mail user (sender)
Is a method of encoding an e-mail, wherein the e-mail is encoded in an encoding format that can be decoded by the e-mail user (recipient) and transmitted to a destination e-mail address of the e-mail user (recipient). 16. An e-mail user (recipient) registers the decoding format of the mail software used by the user in a database of a web server which is a registration site on the Internet, and the e-mail user (sender) sends the e-mail Prior to the transmission, the e-mail user (recipient) inquires of the web server, which is a registered site on the Internet, about the decoding format of the e-mail software registered, and relates to the decoding format of the e-mail user (recipient) using the e-mail software. The information is read from the database, and the e-mail user (sender) encodes the e-mail in an encoding format that can be decoded by the e-mail user (recipient) and sends the e-mail to the destination e-mail address of the e-mail user (recipient). Characteristic e-mail encoding application method. 17. An e-mail user (recipient) registers a decoding format of mail software used by the user in a database of a mail server which is a registration site on the Internet, and the e-mail user (sender) transmits the e-mail At the time of transmission, the e-mail is encoded in an appropriate encoding format of the e-mail user (sender) 's own mail software,
This e-mail must be sent to the e-mail user (recipient) together with the e-mail address of the e-mail user (recipient), indicating that the e-mail needs to be converted into an encoding format that matches the decoding format registered in the database of the registration site by the mail server on the Internet. The e-mail is sent in addition to the e-mail, and the transmitted e-mail is in the decode format registered in the database of the registration site by the previous registration process using the identification information added to the e-mail together with the e-mail user (recipient) destination e-mail address An encoding method for e-mail, wherein encoding conversion is performed by a mail server that converts the encoding into an encoding format that matches the encoding format, and the encoding is delivered to an e-mail user (recipient). 18. An e-mail user (recipient) registers the decoding format of the mail software used by the user in a database of a mail server which is a registration site on the Internet, and the e-mail user (sender) transmits the e-mail At the time of transmission, the e-mail is encoded in an appropriate encoding format of the e-mail user (sender) 's own mail software,
The mail server address to be converted to the encoding format that matches the decoding format registered in the database of the registration site by the previous registration process is used as the destination mail address of the e-mail, and the e-mail user (recipient) destination e-mail address is added and sent Then, the transmitted e-mail is encoded and converted by the mail server, which converts the e-mail into an encoding format that matches the decoding format registered in the database of the registration site by the previous registration process based on the e-mail user (recipient) destination e-mail address. Is performed and delivered to an e-mail user (recipient). 19. An e-mail user (recipient), who is a registered site on the Internet, using an e-mail user (recipient) to decode the mail software used by the user.
Register in the mail server database that subscribes,
When sending an e-mail, the e-mail user (sender) encodes the e-mail in an appropriate encoding format of the e-mail user (sender) 's own mail software, and the e-mail is stored on a mail server on the Internet at a registration site database. The identification information indicating that it is necessary to convert the data into an encoding format that matches the decoding format registered in the e-mail together with the e-mail address of the e-mail user (recipient) is added to the e-mail and transmitted. The encoding conversion is performed by a mail server that converts the encoding format that matches the decoding format registered in the database of the registration site by the previous registration process using the identification information added to the email together with the email address of the email user (recipient). Done and delivered to email users (recipients) Encoding method of applying electronic mail, wherein. 20. An e-mail user (recipient) who is a registration site on the Internet and decodes the e-mail software used by the e-mail user (recipient).
Register in the mail server database that subscribes,
When sending an e-mail, the e-mail user (sender) encodes the e-mail in an appropriate encoding format of the e-mail user's (sender) 's own mail software, and the decoding format registered in the registration site database by the previous registration process The address of the mail server to be converted to the encoding format that matches the e-mail is set as the destination e-mail address of the e-mail, the e-mail user (recipient) destination e-mail address is added thereto, and the transmitted e-mail is sent. A method of applying encoding of an electronic mail, wherein the encoding is converted by a mail server specified by a destination mail address and then transferred to an electronic mail user (recipient). 21. An e-mail user (recipient) who is a registration site on the Internet, and which decodes the mail software used by the e-mail user (recipient).
Register in the mail server database that subscribes,
When sending an e-mail, the e-mail user (sender) encodes the e-mail in an appropriate encoding format of the e-mail user (sender) 's own mail software, and the e-mail is transmitted.
E-mail user (recipient) Based on the destination e-mail address, the e-mail is converted to an encoding format that matches the decoding format registered in the database of the registration site by the previous registration process. An encoding method for e-mail, wherein the encoding conversion is performed by a mail server, and is delivered to an e-mail user (recipient). 22. An electronic mail user (recipient) registers a decoding format of the mail software used by the user in a database of a web server which is a registration site on the Internet, and the registered decoding format is encoded by the mail server. It is also stored in the database of the mail server to be used for conversion. When sending the e-mail, the e-mail is encoded in the appropriate encoding format of the e-mail user (sender) 's own mail software, and this e-mail is sent on the Internet Attach the identification information to the e-mail together with the e-mail user (recipient) destination e-mail address to the effect that the mail server needs to be converted to the encoding format that matches the decoding format registered in the database of the registration site and transmitted. Send and send e-mail, e-mail user (Receive E-mail user (receiver) performs encoding conversion on the mail server that converts the information into the encoding format that matches the decoding format registered in the mail server database by the previous registration processing based on the identification information added to the e-mail together with the destination mail address, and E-mail encoding method for delivering e-mails. 23. An electronic mail user (recipient) registers a decoding format of the mail software used by the user in a database of a web server which is a registration site on the Internet, and the registered decoding format is encoded by the mail server. It is also stored in the mail server database to be used for conversion, and the e-mail user (sender) encodes the e-mail in the appropriate encoding format of the e-mail user (sender) 's own mail software when sending the e-mail Then, the address of the mail server to be converted into an encoding format that matches the decoding format registered in the database of the registration site by the previous registration processing is set as the destination mail address of the e-mail, and the destination mail address of the e-mail user (recipient) is added. E-mail sent to the e-mail Encoding conversion is performed by the mail server that converts to the encoding format that matches the decoding format registered in the mail server database by the previous registration process based on the destination mail address of the user (recipient), and the e-mail user (recipient) An e-mail encoding application method characterized by being delivered. 24. An e-mail user (recipient) registers the decoding format of the mail software used by the user in a database of a web server which is a registration site on the Internet, and registers the registered decoding format with the e-mail user (reception). Is also stored in the mail server database because it is used for encoding conversion by the mail server that the subscriber subscribes to. The e-mail user (sender) sends the e-mail It is necessary to encode the e-mail in an appropriate encoding format of the mail software and convert this e-mail to an encoding format that matches the decoding format registered in the database of the registration site on the Internet mail server and send it E-mail the identification information together with the e-mail address of the e-mail user (recipient). The e-mail sent to the e-mail is sent to the e-mail user (recipient) together with the destination e-mail address and the identification information added to the e-mail. An encoding method for e-mail, wherein encoding conversion is performed by a mail server that converts the encoding into an encoding format that matches the encoding format, and the encoded data is delivered to an e-mail user (recipient). 25. An e-mail user (recipient) registers the decoding format of the mail software used by the user in a database of a web server, which is a registration site on the Internet, and registers the registered decoding format with the e-mail user (reception). Is also stored in the mail server database because it is used for encoding conversion by the mail server that the subscriber subscribes to. The e-mail user (sender) sends the e-mail Encode the e-mail in the appropriate encoding format of the e-mail software, and use the destination server address of the e-mail as the destination e-mail address of the e-mail server, which converts the e-mail into an encoding format that matches the decoding format registered in the e-mail server database by the previous registration process. To the e-mail user (recipient) destination e-mail address The encoded e-mail is encoded by a mail server designated by the destination e-mail address of the e-mail, and then transferred to an e-mail user (recipient). Encoding application method. 26. An electronic mail user (recipient) registers the decoding format of the mail software used by the user in a database of a web server, which is a registration site on the Internet, and registers the registered decoding format with the electronic mail user (reception). Is also stored in the mail server database because it is used for encoding conversion by the mail server to which the e-mail user (subscriber) subscribes. The e-mail is encoded in the appropriate encoding format of the mail software and sent. Based on the e-mail user (recipient) destination e-mail address, the e-mail matches the decoding format registered in the mail server database by the previous registration process The email user (recipient) subscribed to The encoding conversion is performed in the electronic mail server and delivered to an electronic mail user (recipient).