KR20130026215A - Method and system for sending mail without download attached file of received mail in mail client environment - Google Patents

Abstract

PURPOSE: A method for sensing a mail in a mail client environment without the download of an attached file of a received mail and a device thereof are provided to minimize a network cost for uploading and downloading the attached file by transmitting summary information of the attached file instead of the attached file. CONSTITUTION: An SMTP requesting module(411) transmits an SMTP message to an SMTP server(430). An attached file check module(412) checks an attached file stored in a mail database(420). A summary information generating module(413) generates summary information of the attached file. An SMTP message generating module(414) transmits an SMTP message to the SMTP message requesting module. An IMAP transmitting module(415) or a POP transmitting module(416) transmits an e-mail to a user terminal according to an e-mail confirmation request. The IMAP transmitting module or the POP transmitting module transmits the summary information to the user terminal according to a summary information transmission request. [Reference numerals] (400) Mail system; (410) Mail server; (411) SMTP requesting module; (412) Attached file check module; (413) Summary information generating module; (414) SMTP message generating module; (415) IMAP transmitting module; (416) POP transmitting module; (420) Mail database; (430) SMTP server

Description

METHOD AND SYSTEM FOR SENDING MAIL WITHOUT DOWNLOAD ATTACHED FILE OF RECEIVED MAIL IN MAIL CLIENT ENVIRONMENT}

Embodiments of the present invention relate to a mail sending method and apparatus for sending electronic mail in a mail client environment.

Electronic mail (e-mail) is a communication method for exchanging letters or various information between computer users through a network. Recently, e-mail is being used in various client environments with the spread of mobile terminals such as smart phones and tablet PCs.

1 is a block diagram showing a general mail system. Referring to FIG. 1, the mail system 110 stores an e-mail using the mail database 112 and transmits and receives an e-mail with the outside through the SMTP server 114 based on the Simple Mail Transfer Protocol (SMTP).

IMAP server 120 is based on the Internet Messaging Access Protocol (IMAP) and retrieves mail from mail system 110 for each mail client and maintains its settings (e.g., folders on mail system) on the server. Allows you to manage your e-mail. Accordingly, the IMAP client 130 may manage e-mail through the web page of the IMAP server 120.

On the other hand, the POP client 140 may send and receive only the contents of the e-mail based on Post Office Protocol 3 (POP3).

2 and 3 are exemplary views illustrating a process of sending a mail from a mobile terminal through a general mail system.

When the mobile terminal receives an electronic mail through such a general mail system, a list of received mails is displayed on the display of the mobile terminal as shown in FIG. At this time, a message in the form of a clip is displayed on the mail 210 to which the attached file is attached among the received mails to inform the user that the attached file is attached to the mail.

When a user selects an e-mail to which an attachment is attached, as shown in FIG. 2 (b), information 220 on the attached file is displayed together with the contents of the e-mail. Thereafter, the user may create a mail sent for the mail through the reply function as shown in FIG. 2C, or transmit the mail through the delivery function 230.

FIG. 3A illustrates an example in which the transfer function 230 illustrated in FIG. 2C is selected. When the forwarding function is performed, a message 310 for inquiring whether to include an attachment of the original message is displayed in the outgoing mail as shown, and when the attachment is attached at this time, as shown in FIG. A message 320 informing that the user is downloading from the mail system is output, and an icon 330 informing of data download is displayed on the upper side of the mobile terminal. Thereafter, when the download of the attached file is completed, the attached file is displayed as shown in FIG.

As one of the technologies related to such a mail sending method, Korean Patent Laid-Open No. 10-2010-0065448 (published June 17, 2010) includes an electronic mail transmission system having various attachment file transmission methods and control methods thereof. Sends an e-mail request signal that includes any of the attachment request message and the attachment conversion request message to the e-mail relay server to receive the e-mail, and the e-mail relay server receives the original attachment file. If the request message is included, the processing of the original file is maintained for the attachment, and if the attachment conversion message is included, the attachment is processed so that the converted file can be processed directly by the mobile terminal. .

 However, such a mail sending method is a method for enabling an email relay server to read an attached file so that the attached file can be read even on a terminal that cannot check the attached file due to a lack of system specifications, thereby enabling the attached file to be checked on a mobile terminal. Although it is described, there is still a disadvantage that can not solve the problem of network costs caused by the download and upload of attachments attached to the mail and the problem of battery consumption caused by processing power.

Disclosed are a mail sending apparatus and method capable of minimizing network costs associated with downloading and uploading an attached file attached to an electronic mail.

Disclosed are a mail sending apparatus and method capable of reducing battery consumption due to processing power of a mobile terminal used in accordance with downloading and uploading an attached file.

The mail server that sends an e-mail includes an attachment check module for checking whether an attachment is attached to the e-mail in the e-mail, and summary information of the attachment if the attachment is attached to the e-mail. A summary information generation module for generating a message, a transmission module for transmitting the e-mail and the generated summary information to a corresponding user terminal according to an e-mail confirmation request, and a dispatch mail and an attachment file for the e-mail from the user terminal. It may include an SMTP message generation module for receiving the selection information and generates an SMTP message requesting the Simple Mail Transfer Protocol (SMTP) server to attach and send the selected attachment to the sent mail based on the selection information.

According to one side, the summary information may include at least one of information on the size of the attachment and the type of the attachment.

According to another aspect, the summary information may be transmitted to the corresponding user terminal when receiving the summary information transmission request from the user terminal.

According to another aspect, the attachment file selection information may include at least one of information on which an attachment file to be attached to the sending mail is selected based on the summary information, and information on a sending mail to which the attachment is attached. .

The user terminal receiving the e-mail includes a display, at least one processor,

A memory, and at least one program, wherein the program is stored in the memory and configured to be executed by the processor, wherein the program receives the e-mail from a mail server whether or not there is an attached file attached to the e-mail. On the basis of the attached file check code, a summary information request code for requesting the mail server for summary information of the attached file if the attachment exists in the e-mail, and the summary information received from the mail server. A selection information generation code for generating attachment selection information, a shipment mail generation code for generating a shipment mail to be sent through the mail server, and at least one of the generated attachment selection information and the generated shipment mail; It may include a transmission code for sending to the mail server.

According to one side, the user terminal may be a mobile terminal.

The method for sending an e-mail by the mail server includes transmitting the e-mail to a corresponding user terminal according to an e-mail confirmation request from a user terminal, and sending mail and attachment selection information for the e-mail from the user terminal. And generating a Simple Mail Transfer Protocol (SMTP) message requesting that the selected attachment be attached to the sent mail and sent to the SMTP server based on the received mail and attachment selection information. It may include.

According to one side of the step of receiving a summary information transmission request of the attachment file attached to the e-mail from the user terminal, generating the summary information of the attachment file if the attachment is attached to the e-mail, The method may further include transmitting the generated summary information to a corresponding user terminal.

The method of sending an e-mail by the user terminal may include checking whether the attachment is attached to the e-mail in the e-mail received from the mail server, and if the attachment is present in the e-mail, a summary of the attachment. Requesting the information from the mail server, generating attachment selection information based on the summary information received from the mail server, and generating outgoing mail to be sent through the mail server; The method may include transmitting at least one of file selection information and sent mail to the mail server.

When transmitting an e-mail with an attached file attached, the summary information of the attached file is transmitted instead of the attached file, thereby minimizing network cost incurred by downloading and uploading the attached file.

Battery consumption due to the processing power of the mobile terminal may be reduced by not downloading and uploading attachments when sending and receiving e-mail.

1 is a block diagram showing a general mail system.
2 and 3 are exemplary diagrams for explaining a process of sending a mail from a mobile terminal through a general mail system.
4 is a block diagram illustrating a mail system for sending a mail by a user terminal without downloading an attached file according to an embodiment of the present invention.
5 is a timing diagram illustrating an e-mail sending process according to an embodiment of the present invention.
6 is a flowchart illustrating a method of sending an e-mail by a mail server according to an embodiment of the present invention.
7 is a flowchart illustrating a method of sending an e-mail by a user terminal according to an embodiment of the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

4 is a block diagram illustrating a mail system for sending a mail by a user terminal without downloading an attached file according to an embodiment of the present invention.

Referring to the drawings, the mail system 400 according to the present invention may include a mail server 410, a mail database 420, and an SMTP server 430.

In detail, the mail system 400 is a system for transmitting and receiving an e-mail with a user terminal. For this purpose, the mail system 400 receives an e-mail received through the mail server 410 and the mail server 410. It may include an SMTP server 430 for transmitting and receiving e-mail with the outside based on the mail database 420 and the Simple Mail Transfer Protocol (SMTP).

Here, the mail server 410 may include an SMTP request module 411, an attachment file checking module 412, a summary information generating module 413, an SMTP message generating module 414, and a sending module. Depending on the protocol of the e-mail, it may be divided into an IMAP transport module 415 and a POP transport module 416.

The SMTP request module 411 requests the SMTP server 430 to send an e-mail received from the user terminal by sending an SMTP message to the SMTP server.

The attachment check module 412 checks the existence of the attachment in the e-mail stored in the mail database 420.

The summary information generation module 413 generates summary information of the attachment when the attachment checking module 412 determines that the attachment is attached to the e-mail as a result of checking whether the attachment is present. In this case, the summary information may include a file name of the attached file, information on the size of the attached file, information on the format of the attached file, and the like. For example, the summary information may include information such as a file name, an extension, and a size (capacity) of the attached file attached to the e-mail, such as "attachment.doc, 1MB".

The SMTP message generating module 414 receives the sending mail and the attachment file selection information for the e-mail from the user terminal through the sending module, and sends the SMTP message requesting to attach the selected attachment file to the sending mail based on this. It generates and sends it to the SMTP request module 411. At this time, the attachment file selection information may include information on which an attachment file to be attached to the dispatch mail is selected based on summary information, information on a dispatch mail to which the attachment is to be attached, and the like.

The IMAP transmission module 415 of the transmission module transmits the corresponding e-mail to the user terminal when receiving an e-mail confirmation request from the user terminal that transmits and receives the e-mail based on the Internet Messaging Access Protocol (IMAP). When the summary information transmission request is received from the user terminal, the summary information generated by the summary information generation module 413 is transmitted to the corresponding user terminal.

The POP transmission module 416, like the IMAP transmission module 415, receives an e-mail confirmation request from a user terminal that sends and receives e-mail based on Post Office Protocol 3 (POP3), and sends the corresponding e-mail to the user terminal. When receiving the summary information transmission request from the user terminal, and transmits the summary information generated by the summary information generation module 413 to the corresponding user terminal.

Meanwhile, the user terminal may include a display, at least one processor, a memory, and at least one program. In this case, the user terminal may be a mobile terminal.

The program is configured to be stored in the memory and executed by the processor, the attachment check code for confirming in the e-mail received from the mail server 410 whether the attachment is attached to the e-mail, attached to the e-mail A summary information request code for requesting summary information of an attached file to the mail server 410 if a file exists, a selection information generation code for generating attachment selection information based on the summary information received from the mail server 410, The mail server 410 may include a transmission mail generation code for generating a transmission mail to be sent, a transmission code for transmitting at least one of the generated attachment file selection information and the generated transmission mail to the mail server.

Therefore, the user terminal can check the presence or absence of the attachment of the e-mail on the basis of the attachment file check code of the program, receive the summary information on the attachment from the mail server based on the summary information request code, By selecting an attachment to be attached through an attachment selection code, an e-mail can be sent without downloading the attachment.

Hereinafter, the e-mail sending process between the mail server and the user will be described in more detail with reference to FIG. 5. 5 is a timing diagram illustrating an e-mail sending process according to an embodiment of the present invention.

When the user terminal 520 requests a mail including an attachment to the mail server 510, the mail server 510 transmits a mail body excluding the attachment to the corresponding user terminal 520. Subsequently, when the mail received from the user terminal 520 is confirmed, the user selects 'send' or 'forwarding' and includes the attachment in the sent mail as a response to the query whether the attachment is included. The terminal 520 requests the summary information of the attached file from the mail server 510. When the mail server 510 receives the summary information of the attachment, the mail server 510 generates the summary information of the corresponding attachment and transmits the summary information to the user terminal 520. Thereafter, when the summary information is checked, the attachment selection and the sending mail are created in the user terminal 520, the user terminal 520 uploads the address, the sending mail, and the attachment selection information of the receiver to the mail server 510 to send the mail. Ask. The mail server 510, which has been requested to send a mail, generates an SMTP message, requests the mail to be sent to the SMTP server, and transmits information on the attachment file stored in the mail database to the SMTP server.

Therefore, since the user terminal can send an e-mail without downloading or uploading the attachment, it is possible to minimize the network cost incurred by downloading and uploading the attachment, and when the user terminal is a mobile terminal, battery consumption due to processing power May be minimized.

6 is a flowchart illustrating a method of sending an e-mail by a mail server according to an embodiment of the present invention.

First, a method of sending an e-mail by a mail server, the mail server transmits a corresponding e-mail to the user terminal according to an e-mail confirmation request from the user terminal (S610). At this time, when the attachment is present in the transmitted e-mail, when receiving a request for transmitting summary information of the attachment from the user terminal (S620), the mail server searches for the attachment in the mail database based on the request for transmitting the summary information (S620). S630) Generates summary information of the attached file and transmits it to the user terminal (S640). Subsequently, when the mail server receives from the user terminal the attachment mail to be sent for the e-mail and the attachment file selection information including information on the attachment to be attached to the mail, the received mail is received (S650). And generates an SMTP message requesting to send the selected attachment file based on the attachment file selection information to the sending mail and transmits it to the SMTP server (S660).

Hereinafter, a method of sending an e-mail by the user terminal will be described with reference to FIG. 7. 7 is a flowchart illustrating a method of sending an e-mail by a user terminal according to an embodiment of the present invention.

When sending or forwarding mail is selected by the user (S710), the user terminal checks whether the attachment file attached to the electronic mail exists in the electronic mail received from the mail server (S720). As a result of the check, if the attached file exists in the electronic mail, the user terminal requests the summary information of the attached file to the mail server (S730) and downloads the summary information from the mail server. Then, the attachment file selection information is generated based on the received summary information, and a sent mail to be sent through the mail server is generated and transmitted to the mail server (S740).

Therefore, when using the mail sending method according to the present invention, even if you want to check the e-mail containing the attachment, or deliver the attachment, the attachment is attached without downloading the attachment to the user terminal or upload to the mail server Since the e-mail can be sent, the occurrence of network cost can be minimized, and when the e-mail is sent from the mobile terminal, the battery consumption of the mobile terminal can be reduced.

Embodiments of the present invention include computer readable media including program instructions for performing various computer implemented operations. In particular, in the present embodiment, an attachment check code for confirming in the e-mail received from the mail server whether the attachment is attached to the e-mail and a summary information of the attachment when the attachment is present in the e-mail. A summary information request code for requesting the mail server, a selection information generation code for generating attachment selection information based on the summary information received from the mail server, and a sending mail to be sent through the mail server; And a computer readable medium on which a program including a sending mail generation code, a transmission code for sending at least one of the generated attachment file selection information and the generated sending mail to the mail server is recorded. The program according to the present embodiment may be composed of a PC-based program or a mobile terminal exclusive application (for example, a form of a smart phone application, a feature phone VM (virtual machine), etc.). It may be configured to be executed by one or more processors stored in the memory of the user terminal and / or the e-book service system and running on the user terminal and / or the e-book service system.

The computer readable medium may include program instructions, data files, data structures, etc. alone or in combination. The program instructions recorded on the medium may be those specially designed and constructed for the present invention or may be available to those skilled in the art of computer software. In addition, the above-described file system can be recorded in a computer-readable recording medium.

As described above, the present invention has been described by way of limited embodiments and drawings, but the present invention is not limited to the above embodiments, and those skilled in the art to which the present invention pertains various modifications and variations from such descriptions. This is possible.

Therefore, the scope of the present invention should not be limited to the described embodiments, but should be determined by the equivalents of the claims, as well as the claims.

400: mail system
410: mail server
420: mail database
430: SMTP server

Claims (15)

In the mail server which sends an email,
An attachment check module for checking the existence of an attachment attached to the e-mail in the e-mail;
A summary information generation module for generating summary information of the attachment when the attachment is attached to the e-mail;
A transmission module for transmitting the e-mail and the generated summary information to a corresponding user terminal according to an e-mail confirmation request;
Receiving an outgoing mail and attachment file selection information for the e-mail from the user terminal and generating an SMTP message requesting the SMTP (Simple Mail Transfer Protocol) server to attach and send the selected attachment to the outgoing mail based on this; SMTP message generation module
Mail server that includes. The method of claim 1,
The summary information,
And at least one of information on the size of the attached file and information on the type of the attached file. The method of claim 1,
The summary information,
The mail server, characterized in that transmitted to the user terminal corresponding to the case when receiving a summary information transmission request from the user terminal. The method of claim 1,
The attachment file selection information,
And the attachment file to be attached to the dispatch mail based on the summary information includes at least one of selected information and information on the dispatch mail to which the attachment is attached. In a user terminal receiving an e-mail,
Display,
At least one processor,
A memory,
At least one program
Including,
The program is configured to be stored in the memory and executed by the processor,
The program includes:
An attachment check code for confirming whether the attachment attached to the e-mail is present in the e-mail received from the mail server;
A summary information request code for requesting the mail server for summary information of the attachment when the attachment is present in the e-mail;
A selection information generation code for generating attachment selection information based on the summary information received from the mail server;
A sending mail generation code for generating a sending mail to be sent through the mail server;
A transmission code for transmitting at least one of the generated attachment file selection information and the generated outgoing mail to the mail server;
Lt; / RTI > The method of claim 5,
The summary information,
And at least one of information on the size of the attachment file and information on the type of the file. The method of claim 5,
The attachment file selection information,
And at least one of information on an attachment file to be attached to the sending mail and information on the sending mail to which the attachment is attached. The method of claim 5,
The user terminal,
A user terminal, characterized in that a mobile terminal. In the way a mail server sends an e-mail,
Transmitting the e-mail to a corresponding user terminal according to an e-mail confirmation request from a user terminal;
Receiving outgoing mail and attachment file selection information for the electronic mail from the user terminal;
Generating a Simple Mail Transfer Protocol (SMTP) message requesting to attach and send the selected attachment to the sending mail based on the received sending mail and the attachment file selection information, and transmitting it to the SMTP server;
Mail sending method comprising a. 10. The method of claim 9,
Receiving a request for transmitting summary information of an attached file attached to the e-mail from the user terminal;
Generating summary information of the attachment when the attachment is attached to the e-mail;
A transmission step of transmitting the generated summary information to a corresponding user terminal
Mail sending method characterized in that it further comprises. 10. The method of claim 9,
The summary information,
And at least one of information on the size of the attachment and information on the type of the attachment. 10. The method of claim 9,
The attachment file selection information,
And an attachment file to be attached to the dispatch mail based on the summary information includes at least one of selected information and information on a dispatch mail to which the attachment is attached. In the method that the user terminal sends an e-mail,
Checking in the e-mail received from the mail server whether an attachment attached to the e-mail exists;
Requesting the mail server for summary information of the attachment when the attachment is present in the e-mail;
Generating attachment selection information based on the summary information received from the mail server and generating outgoing mail to be sent through the mail server;
Transmitting at least one of the generated attachment file selection information and sent mail to the mail server;
Mail sending method comprising a. The method of claim 13,
The summary information,
And at least one of information on the size of the attachment and information on the type of the attachment. A recording medium in which a program providing an e-mail sending function is recorded.
An attachment check code for confirming whether the attachment attached to the e-mail is present in the e-mail received from the mail server;
A summary information request code for requesting the mail server for summary information of the attachment when the attachment is present in the e-mail;
A selection information generation code for generating attachment selection information based on the summary information received from the mail server;
A sending mail generation code for generating a sending mail to be sent through the mail server;
A transmission code for transmitting at least one of the generated attachment file selection information and the generated outgoing mail to the mail server;
A computer-readable recording medium having a program recorded thereon.

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