JP7285406B1 - E-mail processing method and e-mail processing device - Google Patents

Abstract

An electronic mail processing device and an electronic mail processing method are provided. In a step of receiving, from a mail server of a sender, a first electronic mail created by a communication terminal of the sender and attached with a first electronic file, among all destinations of the first electronic mail, transmitting a time stamp issuance request for the first electronic file to a time stamp issuing server; and receiving a time stamp issued for the first electronic file from the time stamp issuing server. applying said timestamp to said first electronic file to generate a second electronic file; and said served mail server has at least one of said second electronic file and a service link to said second electronic file. sending a second email with an attachment and addressed to the service subject. [Selection drawing] Fig. 1

Description

TECHNICAL FIELD The present invention relates to techniques for processing e-mail, and more particularly, after automatically applying a time stamp to an e-mail attached to an original e-mail, a new e-mail containing information about the time-stamped attachment is generated. , a method and apparatus for sending (replying) to the destination and/or sender of the original mail

E-mail is a universal vehicle used for personal and business communication between senders and recipients.

The sender can attach not only the message but also the electronic file to the e-mail and send it to the recipient. At this time, if the electronic file to be sent to the recipient is of high importance such as a legal document, it is necessary to use the time stamp service.

A time stamp is a trustworthy third party organization (TTP: Trusted Third Party ) is a kind of electronic stamp issued by

In order for a specific person (sender) to transmit a time-stamped electronic file to another person (recipient) via e-mail, the time-stamped electronic file must first be sent using a time stamp service. It has to go through the process of acquiring the file and the process of creating an e-mail with the electronic file attached with the time stamp and sending it to the recipient.

FIG. 1 is a diagram for explaining an exemplary flow of a conventional timestamp service.

Referring to FIG. 1, (1) the user first uploads an electronic file stored in his/her own communication terminal 10 to the issuance relay server 20 . (2) The issuing relay server 20 requests the time stamp issuing server 30 as a TTP to issue a time stamp for the electronic file uploaded by the communication terminal 10 . At this time, the time stamp issuing server 30 can also be called (TSA; Time Stamp Authority), and the time stamp issuing request can include the hash value of the electronic file uploaded from the communication terminal 10 . (3) The time stamp issuing server 30 issues a time stamp (also called a “time stamp token”) for the electronic file in response to the time stamp issuing request, and transfers the issued time stamp to the issuing relay server 20 . (4) The issuing relay server 20 provides the user's communication terminal 10 with the electronic file to which the time stamp transmitted from the time stamp issuing server 30 is applied. Thereby, the user can attach the time-stamped electronic file stored in the communication terminal 10 to an e-mail and distribute it to a specific recipient.

As described above, in order for a sender to send a time-stamped electronic file to a recipient using e-mail, the original electronic file must first undergo a time-stamping service. Therefore, from the sender's point of view, the process is not only very troublesome, but also requires additional time, which greatly restricts rapid communication with the recipient.

The present invention has been devised to solve the above-mentioned problems. When a sender sends an electronic mail with an attached electronic file to a recipient, the time stamp of the electronic file is sent instead of the sender. After obtaining and applying the obtained time-stamp to the original electronic file, a new e-mail with the time-stamped electronic file (and/or a link accessible to it) is sent to the original created by the sender. To provide a method and apparatus for automatically sending mail to the destination and/or sender of the mail.

Other objects and advantages of the present invention can be understood from the following description, and can be seen more clearly from the embodiments of the present invention. In addition, it is easily understood that the objects and advantages of the present invention can be achieved by means and combinations thereof appearing in the claims.

An e-mail processing method executed by an e-mail processing apparatus according to an aspect of the present invention is a first e-mail created by a sender's communication terminal from a sender's mail server and attached with a first e-mail file. - in the first e-mail, two or more destinations are entered in the destination field, the CC field, or the BCC field of the destination entry field, and one of the two or more destinations is the e-mail processing device; identifying a service target among all recipients of the first electronic mail; sending a timestamp issuance request for the first electronic file to a timestamp issuance server; receiving a time stamp issued to said first electronic file from a; applying said time stamp to said first electronic file to generate a second electronic file; and to said served mail server, sending a second e-mail to which the second e-mail and at least one of the service links to the second e-file are attached and addressed to the service object;

The step of identifying the service target comprises: (i) to each remaining destination, excluding the email processing device, among all destinations of the first email; (ii) to the email among the remaining destinations; a field identical to the processing device's email address, wherein said identical field is said To field, said CC field or said BCC field—each recipient entered into; or (iii) a particular domain among said remaining recipients. , as the service target.

The e-mail processing method includes providing at least one of a download service, a viewing service, and a verification service for the second electronic file to the service target communication terminal when the service target communication terminal connects to the service link. The step of providing may be further included.

The e-mail processing method includes inquiring the service target with the membership management information of the e-mail processing device to determine whether the service target is a member of the e-mail processing service provided by the e-mail processing device. The step of determining whether the

The e-mail processing method further comprises uploading the second electronic file to a first cloud storage location provided by the e-mail processing device if the service target is not a member of the e-mail processing service. can contain. The service link to the second electronic file may be associated with the storage location of the second electronic file uploaded to the first cloud storage location.

If the service target has not subscribed to the e-mail processing service membership, the second e-mail may further include a membership subscription link to the e-mail processing service.

The e-mail processing method uploads the second electronic file to a second cloud storage destination specified in the subscription information of the service target when the service target is a member of the e-mail processing service. It can further include the step of: The service link may be associated with a storage location of the second electronic file uploaded to the second cloud storage location.

The e-mail processing method includes attaching at least one of the second e-file and a service link to the second e-file to the mail server of the sender, and sending a third e-mail to which the sender is designated as a destination. The step of sending an e-mail may also be included.

An electronic mail processing apparatus according to another aspect of the present invention is a first electronic mail created by a sender's communication terminal from a sender's mail server and having a first electronic file attached to the first electronic mail. has two or more destinations entered in the destination field, the CC field, or the BCC field of the destination entry field, and one of the two or more destinations is the e-mail processing device. Receiving unit; mail processing unit for identifying service targets among all destinations of the first electronic mail; transmitting a time stamp issuance request for the first electronic file to the time stamp issuing server; A file processing unit that receives a time stamp issued for a first electronic file and applies the time stamp to the first electronic file to generate a second electronic file; a mail sending unit for sending a second e-mail to which at least one of a second electronic file and a service link to the second electronic file is attached and to which the service object is designated as a destination;

The mail processing unit (i) among all destinations of the first e-mail, each of the remaining destinations excluding the e-mail processing device, (ii) among the remaining destinations of the e-mail processing device The same field as an email address, said same field being said To field, said CC or BCC field - each recipient entered in, or (iii) each recipient with a particular domain among said remaining recipients. , can be identified as the service object.

According to at least one embodiment of the present invention, when a sender sends an email with an attached electronic file to a recipient, a time stamp is obtained for the electronic file on behalf of the sender, and the obtained time stamp is After applying the stamp to the original electronic file, send a new e-mail with the time-stamped electronic file (and/or a link accessible to it) attached to the original e-mail intended by the sender and/or It can be automatically sent to the sender.

Namely, on behalf of the sender of the original email, a procedure for issuing a time stamp for the electronic file attached to the original email and sending a new email with the attached electronic file to which the time stamp has been applied to the recipient. By providing a service that automates the above, the convenience of the sender can be improved.

Also, according to at least one of the embodiments of the present invention, instead of directly attaching the timestamped electronic file to a new email sent from the email processing device to the recipient's mail server, Attaching a link to download/view the electronic file saves mail storage space allotted to the recipient of the new e-mail.

Further, according to at least one of the embodiments of the present invention, when a recipient of a new e-mail sent by the e-mail processing device connects to a downloadable/browsable link attached to the e-mail, the electronic By executing the viewer of the mail processing device, downloading and browsing of the electronic file to which the time stamp is applied, as well as providing the new e-mail recipient with the verification result regarding whether or not the electronic file is forged/falsified. can be done.

The effects of the present invention are not limited to the effects described above, and other effects not mentioned can be clearly understood by those skilled in the art from the description of the claims.

1 is a conventional diagram for explaining an exemplary flow of a time stamp service; FIG. 1 is a diagram for exemplifying an e-mail processing system according to an embodiment of the present invention; FIG. 2 is a schematic diagram for exemplifying the configuration of an e-mail processing device included in the e-mail processing system of FIG. 1; FIG. FIG. 4 is a diagram for exemplifying a first e-mail created by a sender's communication terminal; FIG. FIG. 2 is a diagram for exemplifying a message format of a MIME-type e-mail; FIG. 3 is a flowchart for explaining an example of an e-mail processing method executed by the e-mail processing apparatus of FIG. 2; 7 is a diagram for explaining the method of FIG. 6; FIG. 7 is a diagram for explaining the method of FIG. 6; FIG. 3 is a flowchart for explaining another example of an e-mail processing method executed by the e-mail processing apparatus of FIG. 2; FIG. 10 is a diagram for explaining the method of FIG. 9;

The following drawings attached to this specification illustrate preferred embodiments of the present invention, and serve to further understand the technical idea of the present invention together with the detailed description of the invention described later. Therefore, the present invention is not limited only to the matters described in these drawings.

Details regarding the objective, technical structure, and effects of the present invention can be more clearly understood by the following detailed description based on the drawings attached to the specification of the present invention. Hereinafter, embodiments according to the present invention will be described in detail with reference to the accompanying drawings.

The embodiments disclosed herein should not be construed or utilized as limiting the scope of the invention. It should be appreciated by those of ordinary skill in the art that the description, including the embodiments herein, have a wide variety of applications. Therefore, any embodiments set forth in the detailed description of the invention are exemplary to better explain the invention and are not intended to limit the scope of the invention to the embodiments.

The functional blocks shown in the drawings and described below are only examples of possible implementations. Other implementations may use other functional blocks without departing from the spirit and scope of the detailed description. In addition, although one or more functional blocks of the present invention are represented as individual blocks, one or more of the functional blocks of the present invention are combinations of various hardware and software configurations that perform the same functions. There may be.

Ordinal terms such as first, second, etc. are used to distinguish any one of the various components from the rest, and these terms are used to qualify the components. not a thing

In addition, the expression "comprising a component" is an "open-ended" expression that simply refers to the presence of the component and should not be understood to exclude further components. not.

Thus, when a component is referred to as being "coupled" or "connected" to another component, it can be directly coupled or connected to the other component, although it may be directly coupled or connected to the other component. It should be understood that there may be other intervening components.

FIG. 2 is a diagram for exemplifying an e-mail processing system 100 according to one embodiment of the present invention, and FIG. 3 illustrates the configuration of an e-mail processing device included in the e-mail processing system of FIG. FIG. 4 is a diagram for exemplifying the first e-mail created by the sender's communication terminal, and FIG. 5 is a MIME type e-mail message FIG. 4 is a diagram for exemplifying a format; FIG.

Referring to FIG. 2, the e-mail processing system 100 includes a first communication terminal 110, a first mail server 210, a second communication terminal 120, a second mail server 220, an e-mail processing device 300, and a time stamp issuing server 400. including. The email processing system 100 may further include at least one of the first cloud storage 510 and the second cloud storage 520 .

The first communication terminal 110 is a communication terminal of a sender, and has a mail client installed therein. A mail client is a computer program (eg, Outlook) provided to perform various functions such as creating, viewing, searching, sending, receiving, and deleting emails. Examples of the first communication terminal 110 include personal computers, tablets, and smart phones.

The first communication terminal 110 is operated by the sender to send an e-mail (hereinafter referred to as "e-mail") attached with a message and an electronic file (hereinafter referred to as "first electronic file") to be sent to a recipient using a mail client installed therein. , “first e-mail”) and then send the first e-mail to the first mail server 210 .

In order to use the e-mail processing service according to the present invention, the e-mail processing device 300 must be designated as the destination of the first e-mail. By inputting the mail address of the e-mail processing system 100 in the destination input field of the first e-mail, the first communication terminal 110 designates the e-mail processing system 100 as one or a single address among the destinations of the first e-mail. can be specified as the destination of Designating the e-mail processing device 300 as the destination of the first e-mail means that the sender requests the e-mail processing device 300 to provide the e-mail processing service.

In this specification, the "destination" of any e-mail refers to each e-mail address entered in the destination input field of the e-mail (or a user who has the authority to use that e-mail address). . Also, the 'destination' may be a common term for the main destination (To), CC and BCC.

The first communication terminal 110 can input the e-mail address of the e-mail processing device 300 and at least one other e-mail address in the first e-mail destination input field. That is, a plurality of e-mail addresses can be input in the first e-mail destination input field. The destination entry field includes a destination field F1 and may further include at least one of a CC field F2 and a BCC field F3. The destination field F1 is a field in which the main destination is entered. The CC field F2 is a field in which the CC destination is entered. The BCC field F3 is a field in which a BCC destination is entered.

FIG. 4 illustrates the first e-mail created by the first communication terminal 110. As shown in FIG. Referring to FIG. 4, the first communication terminal 110, through the mail creation interface provided by the main client, the subject "contract sharing", destination "BBB@BBBB.com", "CCC@CCCCC.com", "DDD @CCCC.com", "EEE@EEEE.com", and the content of the text "Hello. Mr. BBB." ) can be sent as an attachment. In FIG. 4, "BBB@BBBB.com" and "CCC@CCCCC.com" are in destination field F1, "DDD@CCCC.com" is in CC field F2, and "EEE@EEEE.com" is in BCC field F3. , respectively. In the following, it is assumed that “CCC@CCCCC.com” is the email address of email processing device 300 .

The first mail server 210 is a sender's mail server, is connected to the first communication terminal 110 via a communication network such as the Internet, and receives the first e-mail from the first communication terminal 110 . The sender's mail server means a mail server predetermined to receive emails with the domain "AAAA.com" of the sender "AAA@AAAA.com". The first mail server 210 can confirm all the destinations and senders of the first e-mail from the content of the message of the first e-mail, and send the second mail server 220, which is the mail server of each of the confirmed destinations, to the second mail server 220. 1 Send an e-mail. For convenience of explanation, FIG. Only the second mail server 220 for "BBBB.com" is shown. In addition, the first mail server 210 also transmits the first e-mail to the e-mail processing device 300 when the e-mail processing device 300 is confirmed as the destination of the first e-mail.

The e-mail processing device 300 is a kind of mail server and is connected to the first mail server 210, the second mail server 220 and the time stamp issuing server 400 via a communication network.

The e-mail processing device 300 is similar to the second mail server 220 in that the first e-mail is transmitted from the first mail server 210, but provides e-mail processing services related to the first e-mail. It differs from the second mail server 220 in this point.

Referring to FIG. 3, the e-mail processing device 300 includes a mail receiver 310 , a mail processor 320 , a file processor 330 and a mail transmitter 340 . The e-mail processing device 300 may further include a service manager 350 . The mail receiver 310 is connected to the first mail server 210 via a communication network such as the Internet, and receives the first e-mail from the first mail server 210 . The mail processing unit 320 confirms all destinations and senders of the first e-mail received by the mail receiving unit 310, and identifies service targets among all the confirmed destinations and senders. The file processing unit 330 transmits a time stamp issue request for the first electronic file 51 to the time stamp issue server 400, receives the time stamp issued to the first electronic file 51 from the time stamp issue server 400, and A second electronic file 52 is generated by applying a time stamp to one electronic file 51 . The mail transmission unit 340 transmits a second e-mail with the service target specified as the destination to the service target mail server. The service management unit 350 stores member information of each member who has subscribed to the e-mail processing service. The service management unit 350 checks whether the service target for the e-mail processing service has signed up as a member by inquiring the service target based on the member information. If the service object is confirmed to be a member who has subscribed to the e-mail processing service, the mail processing unit 330 processes the second electronic file according to the personal setting information mapped as the service object provided by the service management unit 350 . and at least one of the service links attached thereto. The mail processing unit 330 attaches a membership subscription link (62 in FIG. 7) together with at least one of the second electronic file and its service link when it is confirmed that the service target has not subscribed to the email processing service. A second email can be created. When the service target is confirmed to be a member who has subscribed to the e-mail processing service, the service management unit 350 stores the second Electronic files can be uploaded. The service management unit 350 can upload the second electronic file to the second cloud storage 520 when it is confirmed that the service target has not subscribed to the email processing service. When the service target communication terminal connects to the link attached to the second e-mail sent to the service target, the service management unit 350 can provide various services linked to the link to the service target communication terminal. can. Each part of the e-mail processing device 300 includes at least one hardware, at least one software, or at least one hardware and at least one software required to perform the operation(s) and function(s) of each part. can be embodied by a combination of

Although FIG. 2 shows that the e-mail processing device 300 and the first mail server 210 are independently configured within the e-mail processing system 100, the e-mail processing device 300 is the first mail server. 210 may be implemented. In this case, the e-mail address of the e-mail processing device 300 can be assigned in advance to the same domain as the sender's domain. Accordingly, the first mail server 210 transmits the first e-mail to the e-mail processing device 300 sharing the same domain as the sender, and provides the e-mail processing device 300 with the e-mail processing service for the first e-mail. can be easily requested, and the security in the transmission/reception process of the first electronic mail can also be improved.

The second mail server 220 is a destination mail server for the first e-mail, is connected to the first mail server 210 via a communication network such as the Internet, and receives the first e-mail from the first communication terminal 110. . A destination mail server means a predetermined mail server to receive e-mails with a domain "BBBB.com" addressed to "BBB@BBBB.com". When receiving the first e-mail, the second mail server 220 stores the first e-mail in a mailbox mapped to the mail account of the recipient of the first e-mail, which is separately provided in the second mail server 220. be able to.

The second communication terminal 120 is a recipient's communication terminal, and is equipped with a mail client, like the first communication terminal 110 . The second communication terminal 120 is connected to the second mail server 220 via a communication network such as the Internet and receives the first e-mail stored in the second mail server 220 . Examples of the second communication terminal 120 include personal computers, tablets, and smart phones.

When receiving the first e-mail from the first mail server 210, the e-mail processing device 300 can confirm (identify) all destinations of the first e-mail from the contents of the message of the first e-mail. 1. The sender of the e-mail can be additionally verified.

The first mail server 210, the second mail server 220, and the e-mail processing device 300 mutually transmit and receive the first e-mail and the second e-mail using the Internet standard format MIME (Multipurpose Internet Mail Extensions). be able to.

Incidentally, when an e-mail is sent from one of the communication terminals 110 and 120, the mail servers 210 and 220, and the e-mail processing device 300 to the other, SMTP (Simple Mail Transfer Protocol) is used. can be done. However, since SMTP only supports ASCII code that expresses each character of the e-mail to be sent with 7 bits, files and characters with codes of 8 bits or more are encoded into ASCII code by MIME before being sent. be.

FIG. 5 illustrates a MIME type email message format. Referring to FIG. 5, the MIME format includes a number of items, 'Date' is the e-mail transmission time, 'From' is the e-mail sender, and 'To' is the e-mail destination field. "cc" is the email address entered in the CC field of the email, "Subject" is the subject of the email, and "MIME-Version" is the MIME version used to convert the email. The version, 'Content-type' indicates the type of the electronic file attached to the email, and 'Content-Transfer-Encoding' indicates the encoding method used to convert the electronic file attached to the email. there is

When the e-mail processing device 300 receives the first e-mail from the first mail server 210, the e-mail processing device 300 confirms the sender of the first e-mail from the MIME format "From", and the main destination of the first e-mail from the "To". , and the CC of the first e-mail can be confirmed from "cc". Also, the e-mail processing device 300 confirms whether or not the first e-file is attached to the first e-mail and the file type of the first e-mail from the MIME format "Content-type" and "Content-Transfer-Encoding". can do. As an example, "Content-type" of "application/pdf" indicates that a PDF document is attached to the first e-mail.

The e-mail processing device 300 selects at least one of all destinations (excluding the e-mail processing device 300) and senders confirmed from the first e-mail for the second e-mail to be sent by the e-mail processing service. Can be set as a service target.

The e-mail processing device 300 selects the same field as the e-mail address of the e-mail processing device 300 in the input fields F1 to F3 of the destination of the first e-mail among all the destinations and senders confirmed from the first e-mail. can be set as the target of the second e-mail service.

Referring to FIG. 4 again, the destination field F1 of the first e-mail contains the e-mail address 'BBB@BBBB.com' of the e-mail processing device 300 and another e-mail address 'CCC@CCCCC.com' together. , another email address "DDD@CCCC.com" is entered as CC in the CC field F2 of the first email, and another email address is entered in the BCC field F3 of the first email. 's email address "EEE@EEEE.com" is entered in BCC. In this case, another e-mail address "BBB@BBBB.com" entered in the same field F1 as the e-mail address "CCC@CCCCC.com" of the e-mail processing device 300 is the service object, that is, the destination of the second e-mail. can be set to In the following, it is assumed that 'BBB@BBBB.com', which is one of the destinations of the first e-mail, is set as the service target of the second e-mail.

The e-mail processing device 300 can always set the sender of the first e-mail as the service target of the second e-mail if there is no separate request in the first e-mail. That is, in addition to "BBB@BBBB.com", the sender "AAA@AAAA.com" of the first e-mail can also be set as the service target of the second e-mail.

On the screen for creating the first e-mail, the first e-file 51 attached to the first e-mail can be displayed in the form of an icon, as shown in FIG. The icon indicating the first electronic file 51 can display the file name (eg, contract) and extension (eg, PDF) of the first electronic file.

The e-mail processing service asks for a time stamp to be issued for the first electronic file 51 attached to the first e-mail, applies the time stamp to the first electronic file 51 to generate a second electronic file, and then provides the service. A service for sending a second e-mail containing information related to a second e-file to a target. The service target includes at least one of all the recipients and senders confirmed from the first electronic mail as the recipient of the second electronic file, as described above.

FIG. 6 is a flow chart for explaining an example of an e-mail processing method executed by the e-mail processing device 300 of FIG. 2, and FIGS. 7 and 8 are diagrams for explaining the method of FIG. .

1 to 8, in step S610, the e-mail processing device 300 receives a first e-mail with a first electronic file 51 attached from the first mail server 210 of the sender. The first e-mail is an e-mail created by the sender's first communication terminal 110, and the e-mail address "CCC@CCCC.com" of the e-mail processing device 300 is entered as one of a plurality of destinations. be. The e-mail address of the e-mail processing device 300 is entered in one of the destination field F1, CC field F2 and BCC field F3 of the first e-mail.

The first e-mail is sent from the first communication terminal 110 to the first mail server 210 and then sent from the first mail server 210 to the e-mail processing device 300 . Receipt of the first e-mail by the e-mail processing device 300 means that the sender of the first e-mail requests the e-mail processing device 300 to provide e-mail processing services.

At step S620, the e-mail processing device 300 identifies service targets among all destinations of the first e-mail. A service target can mean an email address (or its owner) that is entered (designated) as the destination of the second email. After identifying (confirming) all or part of all destinations of the first e-mail, the e-mail processing device 300 can set all or part of the identified destinations as service targets.

As an example, the e-mail processing device 300 services the destinations entered in the same fields as the mail processing device 300 among the destination field F1, CC field F2, and BCC field F3 among all the destinations of the first e-mail. Can be set as a target. In FIG. 4, since "BBB@BBBB.com" and "CCC@CCCC.com" are both entered in the destination field F1, "BBB@BBBB.com" can be set as a service target. can.

As another example, the e-mail processing device 300 can set destinations having a specific domain (for example, the domain of the e-mail processing device 300) among all destinations of the first e-mail as service targets. . In FIG. 4, 'DDD@CCCC.com' entered in the CC field F2 has the same domain as 'CCC@CCCC.com', so 'DDD@CCCC.com' is set as a service object. can be done.

At step S630, the e-mail processing device 300 transmits a time stamp issuance request for the first electronic file 51 to the time stamp issuing server 400, and receives the time stamp issued by the time stamp issuing server 400 for the first electronic file 51. receive.

At step S640, the email processing device 300 applies the time stamp received at step S640 to the first electronic file 51 to generate the second electronic file 52. FIG. That is, the second electronic file 52 means an electronic file in which the first electronic file 51 and the time stamp are combined. The second electronic file 52 may be stored in the storage space provided in the email processing device 300 and/or the first cloud storage location 510 .

In step S650, the e-mail processing device 300 attaches at least one of the second electronic file 52 and the service link 61 to the second electronic file 52 to the service target mail server 220, and the service target is Send a second e-mail to the destination.

In parallel with step S650, the e-mail processing device 300 identifies the sender of the first e-mail as a further service target and provides the sender's mail server 210 with the second e-mail 52 and a service link for the second e-mail 52. 61 is attached and the sender of the first e-mail is designated as the destination.

FIG. 7 exemplifies the second e-mail. The sender of the second e-mail "CCC@CCCC.com" is the e-mail processing device 300, and for convenience of explanation, the destination of the second e-mail (that is, the service target) is the second e-mail as shown in FIG. It is assumed that one of the destinations of one e-mail is 'BBB@BBBB.com' and the sender of the first e-mail is 'AAA@AAAA.com'.

Referring to FIG. 7, in the second e-mail, the e-mail address "CCC@CCCC.com" of the e-mail processing device 300 is entered as the sender, and "BBB@BBBB.com" and "AAA@AAAA.com" are entered. ' is entered in the destination field F11 as the main destination, and the subject and text are the same as those of the first e-mail. The second e-mail can have the second e-file 52 and its service link 61 attached together. For the sake of explanation, it was assumed that no recipients were entered in the CC and BCC fields of the second e-mail.

On the screen of the service target communication terminal 110, 120 that received the second e-mail, it can be displayed in the form of an icon notifying that the second e-file 52 is attached. The icon notifying attachment of the second electronic file 52 can display a mark 53 indicating that the time stamp has been applied. The service link 61 and the membership subscription link attached to the second e-mail can also be displayed on the screen of the communication terminal 110, 120 to be served.

In step S660, when the communication terminal 110, 120 to be serviced connects to the service link 61 attached to the second e-mail, the e-mail processing device 300 performs download service, browsing service, and verification service for the second e-mail 52. at least one of which is provided to the communication terminal 110, 120 to be serviced.

FIG. 8 exemplifies a service screen provided by the e-mail processing apparatus 300 to the service target communication terminals 110 and 120 when the service target communication terminals 110 and 120 are connected to the service link 61 . The e-mail processing device 300 can provide a viewing image 70 of the second electronic file 52 to the service target communication terminals 110 and 120 using a viewer. A timestamp mark 71 for the second electronic file 52 may be displayed in the viewed image 70 . The time stamp mark 71 can be graphic information indicating the time of issue of the time stamp, the name of the issuing institution, and the like. Further, the e-mail processing device 300 responds to a verification request from the service target communication terminals 110 and 120, and sends the result of verification as to whether or not the second electronic file 52 is forged/altered. It can be displayed with image 70 . If the second electronic file 52 is confirmed as the original as a result of verification, the file download button 72 may be activated. The service target communication terminal 110, 120 generates a selection event (for example, click or touch) on the file download button 72, and from the e-mail processing device 300, the first cloud storage destination 510 or the second cloud storage destination 520, A second electronic file 52 can be downloaded.

FIG. 9 is a flowchart for explaining another example of the e-mail processing method executed by the e-mail processing device 300 of FIG. 2, and FIG. 10 is a diagram for explaining the method of FIG. Compared with the method of FIG. 5, the method of FIG. 9 is different in that steps S942, S944 and S946 are added depending on whether the user has subscribed to the e-mail processing service. Therefore, in describing the method of FIG. 9, it should be clarified in advance that repeated descriptions of the contents common to the method of FIG. 5 can be omitted.

Referring to FIG. 9, in step S910, the e-mail processing device 300 receives a first e-mail with a first electronic file 51 attached from the first mail server 210 of the sender.

At step S920, the e-mail processing device 300 identifies service targets among all destinations of the first e-mail.

In step S930, the e-mail processing device 300 transmits a timestamp issuance request for the first electronic file to the timestamp issuing server 400, and receives the timestamp issued by the timestamp issuing server 400 for the first electronic file 51. receive.

At step S940, the email processing device 300 applies the time stamp received at step S940 to the first electronic file 51 to generate the second electronic file 52. FIG. That is, the second electronic file means the first electronic file to which the timestamp is applied.

In step S<b>942 , the e-mail processing device 300 inquires about the service target in the member information of the e-mail processing device 300 and determines whether the service target is a member of the e-mail processing service provided by the e-mail processing device 300 . Determine whether or not The member information includes subscription information (eg, ID (mail account), phone number, password, personal setting information) of each member who has subscribed to the e-mail processing service.

The personal setting information for each member is information that defines the automatic reply message mapped to the member, the cloud storage destination (for example, 520) linked to the member, the usage right (membership grade) of the member, and the like. The e-mail processing device 300 can refer to personal setting information when providing e-mail processing services to subscribed members. If the value of step S942 is "no", step S944 is entered. If the value of step S942 is YES, then proceed to step S946.

In step S<b>944 , the e-mail processing device 300 uploads the second electronic file 52 to the first cloud storage location 510 provided by the e-mail processing device 300 .

In step S946, the e-mail processing device 300 uploads the second electronic file 52 to the second cloud destination 520 specified in the subscription information mapped to the service object.

In step S950, the e-mail processing device 300 attaches at least one of the second electronic file 52 and the service link 61 to the second electronic file 52 to the service target mail server 220, and the service target is Send a second e-mail to the destination.

If the value of step S922 is 'no', the service link 61 for the second electronic file 52 is linked to the storage location of the second electronic file 52 uploaded to the first cloud storage location 510; If the value of step S922 is YES, the service link 61 for the second electronic file 52 is linked to the storage location of the second electronic file 52 uploaded to the second cloud storage 520; If the value of step S922 is 'No', the e-mail processing device 300 attaches the membership subscription link (62 in FIG. 6) for the e-mail processing service to the second e-mail, and then sends the e-mail to the service target mail server 210. , 220 can be sent.

In parallel with step S950, the e-mail processing device 300 identifies the sender of the first e-mail as a further service target and provides the sender's mail server with the second e-mail 52 and a service link 61 for the second e-file 52. A third e-mail can be sent to which at least one of the e-mails is attached and the sender of the first e-mail is designated as the destination.

In step S960, when the communication terminal 110, 120 to be serviced connects to the service link 61 attached to the second e-mail, the e-mail processing device 300 performs download service, browsing service, and verification service for the second electronic file 52. at least one of which is provided to the communication terminals 110 and 120 to be serviced (see FIG. 8).

FIG. 10 illustrates a membership subscription screen (service use application screen) provided by the e-mail processing device 300 to the service target communication terminals 110 and 120 when the service target communication terminals 110 and 120 are connected to the membership subscription link 62. . The service target communication terminals 110 and 120 can display a membership registration screen by executing a web browser installed therein.

Referring to FIG. 10, the membership subscription screen is for collecting personal information (membership subscription information) and personal setting information from the service object, and includes a subscription information input field 1010, an attachment target setting field 1020, and an automatic reply screen. A message setting field 1030, a cloud storage destination selection field 1040, a license selection field 1040, and the like can be included. The service target can proceed with personal settings for the e-mail processing service by using the communication terminals 110 and 120 to input relevant information on the membership registration screen. The service object can input personal information required for subscribing to the e-mail processing service through the subscription information input field 1010 . The service target can select the electronic file, the service link, or both as the attachment target for the second e-mail received in the future through the attachment target setting field 1020 . The e-mail processing device 300 can attach only the attachment target selected through the attachment target setting field 1020 to the second e-mail. The service target can set a message to be sent to the sender of the first e-mail through the automatic reply message setting field 1030 . E-mail processing device 300, after sending the second e-mail with the service target entered as the destination, sends a reply e-mail including the message entered in automatic reply message setting field 1030 to the sender of the first e-mail. be able to. The service target can check a list of cloud storage locations provided by various private companies and select one or more of them through the cloud storage selection field 1040 . The e-mail processing device 300 automatically uploads the second e-mail or the second e-mail to the cloud storage destination selected by the service target (i.e., the second cloud storage destination 520) and transmits the link information thereof to the service target. can do. The service object can select a usage right that provides a differentiated data usage capacity of the e-mail processing service through the usage right selection field 1050 and pay the amount for the selected usage right.

The present invention is not limited to the specific embodiments and applications described above, and various modifications can be made by those skilled in the art to which the invention pertains without departing from the scope of the invention claimed in the claims. are of course possible, and these modified implementations are not understood to be distinguished from the technical idea and outlook of the present invention.

In particular, structures for implementing technical features of the present invention contained in block diagrams and flow charts shown in the drawings attached hereto represent logical boundaries between said structures. However, according to software and hardware embodiments, the illustrated structures and their functions can be implemented and stored in the form of stand-alone software modules, monolithic software structures, code, services, and combinations thereof. All these embodiments also fall within the scope of the present invention, since they can be stored in a computer-executable medium having a processor capable of executing commands and the like to implement their functions.

Accordingly, while the accompanying drawings and descriptions thereof illustrate the technical features of the present invention, they are merely inferred unless the specific arrangement of software for implementing such technical features is explicitly mentioned. not. In other words, there can be various embodiments described above, and these embodiments can be partially modified while having the same technical features as the present invention, so these are also within the scope of the present invention. belongs to

Also, in the case of flowcharts, although the operations are depicted in a particular order in the drawings, this is done to obtain the most desirable results, and such operations may be performed in the particular order or sequence shown. It should not be understood that it must be performed or that all illustrated acts must be performed. In certain cases, multitasking and parallel processing can be advantageous. It should be noted that the separation of the various system components in the above-described embodiments does not require such separation in all embodiments, and the program components and systems described are generally a single software product integrated together. or may be packaged in multiple software products.

10 E-mail processing system 110 First communication terminal 120 Second communication terminal 210 First mail server 220 Second mail server 300 E-mail processing device 400 Time stamp issue server 510 First cloud storage destination 520 Second cloud storage destination

Claims (8)

An e-mail processing method executed by an e-mail processing device,
A first e-mail created by the sender's communication terminal from the sender's mail server and attached with a first electronic file - the first e-mail has two or more destinations in the destination input field field, CC field or BCC field, and one of said two or more destinations is said email processing device;
identifying service targets among all recipients of said first email;
sending a time stamp issuance request for the first electronic file to a time stamp issuing server, and receiving a time stamp issued for the first electronic file from the time stamp issuing server;
applying the timestamp to the first electronic file to generate a second electronic file; and
Sending to the mail server of the service target a second electronic mail having at least one of the second electronic file and a service link to the second electronic file attached and addressed to the service target;
including
Identifying the service target includes:
(i) in each of the remaining destinations of all destinations of the first e-mail excluding the e-mail processing device; (ii) in the remaining destinations, a field identical to the mail address of the e-mail processing device - said same field is said To field, said CC field or said BCC field; A method of processing electronic mail characterized by identifying it as an object. 2. The method further comprises providing at least one of a download service, a browsing service and a verification service for the second electronic file to the service target communication terminal when the service target communication terminal connects to the service link. E-mail processing method described in further comprising inquiring the service target in the member management information of the e-mail processing device to determine whether the service target is a member of the e-mail processing service provided by the e-mail processing device. 2. The email processing method of claim 1, comprising: uploading the second electronic file to a first cloud storage location provided by the email processing device if the service object has not subscribed to the email processing service;
The service link for the second electronic file is
4. The e-mail processing method according to claim 3, wherein the e-mail processing method is linked to the storage location of the second electronic file uploaded to the first cloud storage destination. 4. The e-mail processing method according to claim 3, wherein if the service target has not subscribed to the e-mail processing service, a membership subscription link to the e-mail processing service is further attached to the second e-mail. uploading the second electronic file to a second cloud storage location specified in the subscription information of the service object when the service object is a member of the email processing service;
The service link is
4. The e-mail processing method according to claim 3, wherein the e-mail processing method is linked to the storage location of the second electronic file uploaded to the second cloud storage destination. sending to the sender's mail server a third email having at least one of the second electronic file and a service link to the second electronic file attached and addressed to the sender; The method of claim 1, further comprising: An electronic mail processing device,
A first e-mail created by a sender's communication terminal from a sender's mail server and attached with a first electronic file - said first e-mail, said first e-mail has two or more destinations is entered in the destination field, the CC field, or the BCC field of the destination input field, and one of the two or more destinations is the e-mail processing device.
a mail processing unit that identifies service targets among all destinations of the first e-mail;
transmitting a time stamp issuance request for the first electronic file to a time stamp issuing server; receiving a time stamp issued for the first electronic file from the time stamp issuing server; a file processor that applies the stamp to generate a second electronic file; and
Sending to the mail server of the service target a second e-mail attached with at least one of the second electronic file and a service link to the second electronic file, the second e-mail addressing the service target. mail sending part;
including
The mail processing unit
(i) of all destinations of the first e-mail, each of the remaining destinations excluding the e-mail processing device; (ii) of the remaining destinations, the same field as the e-mail address of the e-mail processing device; the same field is the To field, the CC or BCC field - identifies each destination entered in, or (iii) each destination with a particular domain among the remaining destinations as the service target An e-mail processing device characterized by:

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