JP3620400B2 - Electronic device and method of processing electronic mail information in the device - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention is capable of communication between a parent device and a child device, and further, an electronic device capable of transmitting and receiving an e-mail in both the parent device and the child device, and e-mail information in the electronic device. It belongs to the technical field of processing methods.
[0002]
[Prior art]
2. Description of the Related Art Conventionally, there has been known a parent / child telephone set including a facsimile machine which is a parent machine connected to an outside line and a child machine capable of making a call with the outside line via the parent machine.
[0003]
In particular, a telephone communication system has recently been proposed that has a service function that can convert WWW (World Wide Web) information, etc. into a facsimile image, or send and receive e-mails and the like with a facsimile machine. Has been made.
[0004]
A parent-child phone having such a function can be configured such that the above-mentioned WWW information or the like is output to the parent device as facsimile information by a remote control operation from the child device.
[0005]
Similarly, an e-mail received from the Internet by the parent device can be transmitted to the child device, and an e-mail transmitted from the child device to the parent device can be transmitted to the Internet via the parent device.
[0006]
[Problems to be solved by the invention]
However, in addition to the actual message text, sender and receiver, or information such as the date and time of transmission, the email used on the Internet has been sent via any server, or It has a great deal of information such as what format the e-mail is.
[0007]
Therefore, when the information related to the electronic mail received as described above is transmitted to the child device as it is, the amount of transmission information from the parent device to the child device becomes enormous and unnecessary for the child device. It was wasteful because information was transmitted.
[0008]
Similarly, even when an e-mail is transmitted from the slave unit via the master unit, in order to transmit an e-mail on the Internet, the detailed information as described above is added and transmitted. There is a problem that the amount of information transmitted from the slave unit to the master unit becomes enormous, and communication between the slave unit and the master unit is extremely heavy.
[0009]
Therefore, the present invention solves such a problem, and even when transmitting / receiving e-mail information between the parent device and the child device, the electronic device does not impose a load on the communication between the parent device and the child device. And processing method of electronic mail information in the electronic deviceTheThe issue is to provide.
[0010]
[Means for Solving the Problems]
The electronic device according to claim 1, a communication unit that communicates with a slave that can read and create an e-mail, an e-mail transmission / reception unit that transmits / receives an e-mail on the Internet,Printing means;The e-mail transmission / reception means extracts only specific information from the information related to the received e-mail, and the communication means transfers only the extracted specific information to the slave unit.In both cases, when a printing command is received from the slave unit, information other than the transferred specific information is output to the printing unit to perform printing processing.It is characterized by.
[0011]
According to the first aspect of the present invention, when an e-mail on the Internet is received by the e-mail transmission / reception means of the parent device, the e-mail transmission / reception means only receives specific information from the received information on the e-mail. Extract. Then, the communication means transfers only the extracted specific information to the child device.
Further, when the e-mail transmission / reception means of the parent device receives a print command from the child device, information other than the transferred specific information, for example, information such as the name of the server that has passed through is printed. Output to. As a result, the printing unit prints information other than the specific information.
As a result, the amount of transmission information between the parent device and the child device is reduced, the communication load between the parent device and the child device is reduced, and the user of the child device who wants to check information other than the specific information, The information other than the specific information is surely confirmed.
[0012]
In order to solve the above problem, the electronic device according to claim 2 is characterized in that in the electronic device according to claim 1, the specific information is at least a sender, a subject, and an e-mail body.
[0013]
According to the electronic device according to claim 2, not only the amount of transmission information between the parent device and the child device is reduced and the communication load between the parent device and the child device is reduced, but also the specific information is at least Since it is necessary and sufficient information of a sender, a subject, and an e-mail text, the contents of the e-mail are surely confirmed in the slave unit.
[0014]
[0015]
[0016]
Claim 3In order to solve the problem, the electronic device describedClaim 1 or 2In the electronic device, the e-mail transmission / reception means receives only specific information from the slave unit, adds necessary information to the specific information, and transmits the e-mail on the Internet. To do.
[0017]
Claim 3According to the electronic device described above, the e-mail transmission / reception means of the parent device that has received only specific information from the child device adds the necessary information to the specific information and transmits it as an e-mail on the Internet. To do. Therefore, the e-mail transmitted from the slave unit is reliably transmitted as an e-mail on the Internet.
[0018]
Claim 4In order to solve the problem, the electronic device describedClaim 3In the electronic device described above, the specific information is at least a transmission destination, a subject, and an e-mail body.
[0019]
Claim 4According to the electronic device described, not only the e-mail transmitted from the slave unit is surely transmitted as an e-mail on the Internet, but the specific information includes at least a sender, a subject, and an e-mail body. Since it is information, the content of the e-mail is surely confirmed at the other party.
[0020]
Claim 5The processing method of e-mail information in the electronic device described isAn electronic mail processing method in an electronic device having a handset and performing transmission / reception of electronic mail with a mail server arranged on the Internet, wherein the electronic device is connected to the mail serverReceiving emails; andThe electronic deviceExtracting only specific information from the received email information;The electronic deviceThe extracted specific information can be read and created by e-mailSaidTransferring to the slave unit;A step in which the electronic device performs a printing process on information other than the transferred specific information in response to a print command from the slave unit;It is provided with.
[0021]
Claim 5According to the electronic mail information processing method in the electronic device described above, when an e-mail on the Internet is received by the parent device, the parent device extracts only specific information from the received information on the e-mail. Then, only the extracted specific information is transferred to the slave unit.
In addition, when receiving a print command from the slave unit, the master unit prints information other than the transferred specific information, for example, information such as the name of the server that has passed through.
As a result, the amount of transmission information between the parent device and the child device is reduced, the communication load between the parent device and the child device is reduced, and the user of the child device who wants to check information other than the specific information, The information other than the specific information is surely confirmed.
[0022]
Claim 6In order to solve the above-described problem, the electronic mail information processing method in the electronic device described aboveClaim 5In the electronic mail information processing method described in the electronic device, the step of extracting only the specific information includes:The electronic deviceIt is a step of extracting information of at least a sender, a subject, and an e-mail text.
[0023]
Claim 6According to the electronic mail information processing method in the electronic device described, the amount of transmission information between the parent device and the child device is reduced, not only the communication load between the parent device and the child device is reduced, but also the identification This information is necessary and sufficient information for at least the sender, subject, and e-mail text, so that the contents of the e-mail are surely confirmed in the slave unit.
[0024]
[0025]
[0026]
Claim 7In order to solve the above-described problem, the electronic mail information processing method in the electronic device described aboveClaim 5 or 6In the processing method of e-mail information in the electronic device as described above,The electronic deviceReceiving only specific information from the slave unit;The electronic deviceA step of adding necessary information to the specific information and transmitting it as an e-mail on the Internet.
[0027]
Claim 7According to the electronic device in the described electronic device, only the specific information such as the transmission destination, the subject, and the e-mail text is received from the slave device, the master device adds the necessary information to the specific information. And send it as an e-mail on the Internet. Therefore, the e-mail transmitted from the slave unit is reliably transmitted as an e-mail on the Internet.
[0028]
Claim 8In order to solve the above-described problem, the electronic mail information processing method in the electronic device described aboveClaim 7In the processing method of e-mail information in the electronic device as described above,The step of receiving only specific information from the slave unit is a step of receiving information on at least a transmission destination, a subject, and an e-mail text by the electronic device.It is characterized by that.
[0029]
Claim 8According to the described electronic device, not only the e-mail transmitted from the slave unit is surely transmitted as an e-mail on the Internet, but the specific information includes at least a sender, a subject, and an e-mail body. Therefore, the content of the e-mail is surely confirmed at the other party.
[0030]
[0031]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of the present invention will be described below with reference to FIGS. 1 to 7 of the accompanying drawings.
[0032]
FIG. 1 is a perspective view showing a base unit 1 of a facsimile with a cordless parent-child telephone function as an electronic apparatus to which the present invention is applied. FIG. 2 is a plan view showing the slave unit. The facsimile with cordless parent / child phone function of the present embodiment has a service function capable of converting WWW (World Wide Web) information or the like into a facsimile image, or transmitting and receiving an electronic mail or the like with a facsimile apparatus.
[0033]
A base unit 1 shown in FIG. 1 includes a main body 2, a handset 3, a panel 5, a document insertion port 6, a document receiver 7, a document discharge port 8, a recording paper discharge port 9, and a recording paper tray 10. The antenna 37 is provided.
[0034]
The panel 5 includes a jog dial 4, a numeric keypad 20 for inputting numerals, kana or alphabets, an LCD panel 23, and the like.
[0035]
Inside the main body 2, in addition to a control unit including a CPU and the like described later, a scanner including a CIS (Contact Image Sensor) for reading a document, a thermal head type image forming unit, a document transport unit, a recording sheet Storage means, recording paper transport means, and the like. However, the image forming means may be an ink jet system or an electrophotographic system.
[0036]
The handset 3 is placed on a hook switch (not shown). The facsimile 1 is in a non-communication state when the handset 3 is placed on the hook switch as shown in FIG. At the time of off-hook when 3 is lifted, the communication state is established.
[0037]
The jog dial 4 is a rotation input means that can be rotated in both the clockwise direction and the counterclockwise direction. In the setting registration mode described later, a cursor displayed on the LCD panel 23 is displayed as shown in FIG. Used to move left and right. Further, when the jog dial 4 is rotated in a communicable state, transmission destination information registered as a telephone book in the memory inside the main body 2 is sequentially displayed on the LCD panel 23.
[0038]
Further, when the copy key 25 on the panel 5 is pressed while the document is inserted into the document insertion slot 6 and placed on the document receiver 7, the copy mode is set. In the copy mode, the document is read by the CIS while being conveyed from the document insertion port 6 to the document discharge port 8. Further, the read image information is formed as a visible image on the recording paper by the image forming means described above, and this recording paper is discharged from the recording paper discharge port 9 and placed on the recording paper tray 10. The same applies to facsimile transmission. For example, when the jog dial 4 is rotated to display the transmission destination on the LCD panel 23 and the start key 26 is pressed, reading of the original is started and facsimile transmission is started. Is done.
[0039]
The numeric keypad 20 is used to directly input a destination facsimile number or a telephone number of a call destination. In the registration setting mode started by pressing the registration / confirmation key 22, the numeric keypad 20 is used for character input. Used.
[0040]
FIG. 2 shows the configuration of the control unit of base unit 1 as described above. As shown in FIG. 2, the master unit 1 includes a controller 11 that controls the center of control, an operation panel 5, an LCD panel 23, a call bell 17, a scanner 19, a thermal head 21, a code / decoder 24, a modem 41, and line control. A circuit (NCU) 27, a handset 3, a speaker 31, a microphone 33, a wireless communication control circuit 35, an antenna 37, and a switch 39 are provided.
[0041]
The controller 11 is a logical operation circuit including a CPU, a ROM, a RAM, an EEPROM, a timer, and the like, and executes various control processes such as electronic mail information processing by the CPU. Note that various control programs executed by the CPU, data necessary for control processing, and the like are stored in advance in the ROM. The RAM is used as a work area or a buffer in various control processes.
[0042]
The present embodiment further includes another memory 40 for storing e-mail information, which can be accessed from the CPU.
[0043]
The EEPROM of the controller 11 is provided for storing information such as telephone directory registration. In addition, the timer is used for scanning each key on the operation panel 5, for example.
[0044]
The call bell 17 is used to ring the call bell when an incoming call is received from an outside line. The ringing bell 17 rings for 1 second when an incoming call is called and repeatedly stops for 2 seconds to notify the incoming call.
[0045]
The scanner 19 is used to read a document when facsimile transmission or copying is performed by the master unit 1.
[0046]
The thermal head 21 is provided for executing a copy function for printing out facsimile data received from the outside on a recording paper or printing out image data of a document read by the scanner 19 on a recording paper.
[0047]
The encoder / decoder 24 can encode the image data read by the scanner 19 into a data format for facsimile transmission such as G3 compression format, or print out the compressed format image data received by facsimile. It is provided for decoding into a data format.
[0048]
The modem 41 and the NCU 27 are provided for performing communication with the outside and facsimile transmission / reception via a telephone line. Further, in this embodiment, the modem 41 also transmits and receives electronic mail.
[0049]
The handset 3 performs a call via a telephone line by making an off-hook operation when making a call through an external line or when an incoming call is received from an external line.
[0050]
The speaker 31 is provided to output the other party's voice when performing a conversation in a hands-free state.
[0051]
The microphone 33 is provided for inputting a user's voice when performing a conversation in a hands-free state.
[0052]
The wireless communication control circuit 35 is provided for performing wireless communication between the parent device 1 and the child device 50 via the antenna 37.
[0053]
Further, the switching device 39 switches and inputs either voice input from the microphone 33 or voice input from the handset 50 received by the antenna 37 to the modem 41.
[0054]
Next, the structure of the subunit | mobile_unit 50 is shown in FIG. In the slave unit 50, an LCD panel 55 is disposed on the upper portion of the main body 69, and a number of key groups 70 are disposed on the lower side as the operation panel 53. By pressing the catch / function key 74 arranged in the lower right of the key group 70, the processing mode in the handset 50 can be switched to the normal call mode or e-mail transmission / reception mode. It is like that. The catch / function key 74 is also used to activate a call waiting function when an incoming call is received from another party during an external line call.
[0055]
In addition, each key of the key group 70 includes a numeric keypad for inputting a numerical value written on the surface thereof, an external line key for performing an off-hook operation, a disconnection key for performing an on-hook operation, and pressing during an external line call. Hold mode, hold / extension key to switch to extension call mode when pressed normally, speakerphone to switch to hands-free call, redial / pause key for redial and pause input, etc. Yes.
[0056]
The numeric keypad is assigned a character input function for inputting an e-mail message.
[0057]
Next, the structure of the control part of the subunit | mobile_unit 50 is shown in FIG. As shown in FIG. 4, the slave unit 50 includes a controller 51 that controls the center of control, an operation panel 53, an LCD panel 55, a calling bell 57, a speaker 61, a microphone 63, a wireless communication control circuit 65, and an antenna 67. .
[0058]
The controller 51 is a logical operation circuit including a CPU, a ROM, a RAM, an EEPROM, a timer, and the like, and executes various control processes such as electronic mail information processing by the CPU. Note that various control programs executed by the CPU, data necessary for control processing, and the like are stored in advance in the ROM. The RAM is used as a work area or a buffer in various control processes.
[0059]
The present embodiment further includes another memory 64 for storing electronic mail information, which can be accessed from the CPU.
[0060]
The LCD panel 55 is provided for displaying the caller's telephone number, displaying an e-mail message, and the like. The call bell 57 is used to ring the call bell when an incoming call is received from an outside line. This call bell 57 rings for 1 second when an incoming call is called, and repeatedly stops for 2 seconds to notify the incoming call.
[0061]
The speaker 61 is provided to output the other party's voice during a call with an outside line or an extension call with the master unit 1. On the contrary, the microphone 63 is provided for detecting the voice on the side of the slave unit 50 and transmitting it to the external line or the master unit 10 in the case of an outside call or an extension call. The wireless communication control circuit 65 is provided for performing wireless communication between the slave device 50 and the master device 1 via the antenna 67.
[0062]
Next, the processing method of the e-mail information in the present embodiment will be described based on the flowcharts of FIGS. 5 and 6 and the diagram showing the e-mail information of FIG.
[0063]
First, a case where the base unit 1 receives an electronic mail and transfers it to the handset 50 will be described. Note that, as described above, the base unit 1 according to the present embodiment includes only a facsimile modem, and thus cannot perform e-mail transmission / reception using a data modem such as a normal personal computer. Therefore, an e-mail command to be transmitted / received between the provider and the facsimile modem is determined in advance, and e-mail can be transmitted / received by transmitting / receiving the command between the provider and the parent device.
[0064]
First, the controller 11 of the base unit 1 determines whether there is an incoming call from an outside line and it is an e-mail transmission command from the provider (step S1).
[0065]
If it is not the e-mail transmission command (step S1; NO), other processing is performed (step S2), and the command is again waited after completion.
[0066]
On the other hand, in the case of the e-mail transmission command, e-mail information transmitted from the provider is received and stored in the memory 40 (step S3). The e-mail information transmitted at this time includes, as shown in FIG. 7, information 70 regarding the provider's mail server, information 71 regarding the mail server of the other party that transmitted the e-mail to the mail server, and the message of the other party. ID 72, sender name and email address information 73, destination name and email address information 74, subject information 75, transmission date information 76, sender mail data format information 77, message body format information 78, character It includes set information 79, transmission message encoding information 80, information 81 on the transmission side e-mail creation and transmission program, etc., and message text information.
[0067]
If all of such an enormous amount of data is to be transmitted to the child device 50, the communication load between the parent device 1 and the child device 50 increases, and there is a concern that communication between the parent device 1 and another child device may be hindered. Further, by transmitting information unnecessary for the slave unit 50, the memory 64 of the slave unit 50 is unnecessarily compressed.
[0068]
Therefore, in the present embodiment, the sender name and email address information 73, the destination name and email address information 74, the subject name information 75, the transmission date information 76, and the message are selected from the enormous amount of data as described above. Only text information is extracted (step S5).
[0069]
Then, only the specific information extracted in this way is transmitted to the child device 50 (step S6).
[0070]
Therefore, only the necessary information such as the sender of the e-mail, the transmission date and time, and the message text can be confirmed on the handset 50 side, and the memory 64 is not unnecessarily compressed. In addition, the communication load between the parent device 1 and the child device 50 is reduced.
[0071]
Next, based on the flowchart of FIG. 6, a case where an e-mail message created by the child device 50 is received by the parent device 1 and transmitted as an e-mail from the parent device 1 will be described. In this case, the base unit 1 of the present embodiment determines an e-mail command to be transmitted by the provider and the facsimile modem in advance, and transmits and receives this command between the provider and the base unit. Transmission is possible.
[0072]
First, in the slave unit 50, an e-mail message and address information and subject information as necessary are input using the numeric keypad. In the present embodiment, it is assumed that only the information input in the slave unit 50 is these. Next, the function of transmitting an e-mail message from the child device 50 to the parent device 1 is specified, and the message is transmitted to the parent device 1.
[0073]
On the other hand, the controller 11 of the main unit 1 is in a standby state for receiving an incoming call from an outside line and waiting for a call from the sub unit, and for example, determines whether or not an e-mail message transmission command has been transmitted from the sub unit (step S10). .
[0074]
If the command is not a command for sending the e-mail message (step S10; NO), other processing is performed (step S11), and the command is again waited after completion.
[0075]
However, if the command is a command for sending an e-mail message (step S10; YES), the e-mail message, address information and subject information sent from the slave unit 50 are received and stored in the memory 40 (step S12). ). If it remains as it is, information necessary for transmission on the Internet is insufficient, so the controller 11 of the parent device 1 adds necessary information stored in advance in a memory or the like (step S13).
[0076]
For example, the message ID 72 on the transmission side, the sender name and mail address information 73, the transmission date information 76, the mail data format information 77 on the transmission side, the message body format information 78, the character set information 79 shown in FIG. The transmission message encoding information 80, the transmission-side e-mail creation and transmission program information 81, etc. are added.
[0077]
Then, the e-mail that can be sent with the information added in this way is sent by the facsimile modem 41 using a command negotiated with the provider (step S14).
[0078]
Accordingly, since only the necessary information such as the text of the e-mail, the address information, and the subject information needs to be transmitted on the handset device 50 side, it is not necessary to store a huge amount of unnecessary information in the memory 64. Moreover, the communication load between the subunit | mobile_unit 50 and the main | base station 1 is also reduced.
[0079]
As described above, according to the present embodiment, when an e-mail is received, only necessary information is extracted and transmitted from the parent device 1 to the child device 50, and when an e-mail is transmitted, Since necessary information is added to the message transmitted from the child device 50 in the parent device 1 and transmitted as an e-mail, the communication load between the parent device 1 and the child device 50 is reduced, and transmission / reception of the e-mail is favorably performed. It can be performed.
[0080]
As another embodiment, for example, when the user of the slave unit 50 wants to check not only the information transmitted from the master unit 1 but also more detailed information, it is not extracted in the master unit 1. Alternatively, the slave unit 50 may instruct other information to be printed using the copy function.
[0081]
Receiving this instruction, the master unit 1 may print on the recording paper including the other information stored in the memory 40.
[0082]
In the present embodiment, an example using a facsimile with a cordless parent / child phone function as an example of the electronic apparatus of the present invention has been described. However, the present invention is not limited to such a configuration, for example, a LAN or the like. The present invention may be applied to a system in which an e-mail is transmitted from a client machine connected to the network via a server.
[0083]
【The invention's effect】
As described above, the electronic device according to claim 1 andClaim 5According to the electronic mail information processing method described in the electronic device, only specific information is extracted from the information related to the electronic mail received by the parent device, and only the extracted specific information is transferred to the child device.At the same time, when a print command is received from the slave unit, information other than the transferred specific information is printed, so that the amount of information transmitted between the master unit and the slave unit can be significantly reduced. In addition, the communication load between the parent device and the child device can be reduced, and when the user of the child device wants to check information other than the specific information, the information other than the specific information is surely Can be confirmed.
[0084]
The electronic device according to claim 2 andClaim 6According to the electronic mail information processing method in the electronic device described, the amount of transmission information between the parent device and the child device can be remarkably reduced, and the communication load between the parent device and the child device can be reduced. In addition, since the specific information is necessary and sufficient information of at least a sender, a subject, and an e-mail text, the contents of the e-mail can be surely confirmed in the slave unit.
[0085]
[0086]
Claim 3The electronic equipment describedClaim 7According to the electronic mail information processing method described in the electronic device, only specific information is received from the slave unit, necessary information is added to the specific information, and the electronic information is transmitted as an email on the Internet. Therefore, it is possible to reliably transmit an e-mail transmitted from the child device as an e-mail on the Internet while reducing the communication load between the parent device and the child device.
[0087]
Claim 4The electronic equipment describedClaim 8According to the processing method of the electronic mail information in the electronic device described, since the electronic mail to be transmitted includes at least the transmission destination, the subject, and the electronic mail text while reducing the communication load between the parent device and the child device. It can be reliably transmitted as an e-mail on the Internet, and the other party can be surely confirmed the contents.
[Brief description of the drawings]
FIG. 1 is a perspective view showing an appearance of a master unit according to an embodiment of the present invention.
FIG. 2 is a block diagram illustrating a configuration of a control unit in the parent device of FIG. 1;
FIG. 3 is a perspective view showing an external appearance of a slave unit according to an embodiment of the present invention.
4 is a block diagram showing a configuration of a control unit in the slave unit of FIG. 3;
FIG. 5 is a flowchart showing an e-mail reception process in the parent device of FIG. 1;
6 is a flowchart showing an e-mail transmission process in the master unit of FIG. 1;
FIG. 7 is a diagram illustrating various types of information included in an e-mail.
[Explanation of symbols]
1 ... Master unit
11 ... Controller
40 ... Memory
50 ... handset
51 ... Controller
64 ... Memory

Claims (8)

A communication means for communicating with a slave capable of reading and creating an e-mail;
An email sending and receiving means for sending and receiving emails on the Internet;
Printing means;
With
Said electronic mail transmitting and receiving means, of the information about the received e-mail, extracts only specific information, both when the communication means transfers only the specific information the extracted to the slave unit, from the handset An electronic apparatus characterized in that when a print command is received, information other than the transferred specific information is output to the printing means to perform a printing process . The electronic device according to claim 1, wherein the specific information is at least a sender, a subject, and an e-mail text. Said electronic mail transmitting and receiving means receives only the specific information from the handset, by adding information necessary for the specific information, according to claim 1, characterized in that sending the e-mail on the Internet or 2. The electronic device according to 2 . 4. The electronic apparatus according to claim 3 , wherein the specific information is at least a transmission destination, a subject, and an electronic mail text. An electronic mail processing method in an electronic device having a slave unit and performing transmission / reception of electronic mail with a mail server arranged on the Internet,
The electronic device receiving an email from the mail server ;
Of the information about the email received by the electronic device , extracting only specific information;
Specific information which the electronic device is the extraction, a step of transferring the electronic mail read and create possible the handset,
A step in which the electronic device performs a printing process on information other than the transferred specific information in response to a print command from the slave unit;
A method of processing e-mail information in an electronic apparatus comprising: A step of extracting only the specific information, the electronic device is at least sender, subject, and the e-mail information in an electronic device according to claim 5, characterized in that the step of extracting information of the electronic mail body Processing method. The electronic device receiving only specific information from the slave unit;
A step of the electronic apparatus adds information necessary for the specific information, and transmits the e-mail on the Internet,
An electronic mail information processing method in an electronic device according to claim 5 or 6 , characterized by comprising: 8. The electronic device according to claim 7 , wherein the step of receiving only specific information from the slave unit is a step of receiving at least information of a destination, a subject, and an e-mail text by the electronic device. How to process email information.

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