JP2004193954A - Electronic mail server device, and program used therefor - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an electronic mail server device by which a cliant can immediately be informed of a transmission result on a destination sucessful in transmission without increasing the number of message times of the transmission result, and to provide a program therefor. <P>SOLUTION: When a mail server receives an instruction for transmitting an electronic mail whose transmission destination and transmission time are designated from a client personal computer, the mail server stores the electronic mail, the transmission destination and transmission time (step 101). When it becomes transmission time that the client designates, the mail server transfers the received electronic mail to a plurality of the destinations and stores the transmission result (steps 102, 103 and 104). Transmission result notices on only the normally transferred destinations are transmitted to the client personal computer (step 105). The notice on the destination to which transfer is failed is re-transmitted (step 107), and the transmission result on the destination to which the notice is re-transmitted is transmitted to the client personal computer (step 108). <P>COPYRIGHT: (C)2004,JPO&NCIPI

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to an e-mail server device that receives an e-mail specifying a transmission destination from a user (client) and transfers the e-mail to the specified transmission destination.
[0002]
[Prior art]
The e-mail server device receives an e-mail specifying a destination and a transmission time from a client, temporarily stores the e-mail, and transfers the stored e-mail to the specified destination when the time specified by the client is reached. Has a function. In this e-mail server device, if an error occurs during the transfer of an e-mail received from a client, the e-mail is retransmitted a predetermined number of times.
[0003]
In such an e-mail server device, the transmission result of the e-mail is output as a transmission result report in order to confirm whether the e-mail has been normally transmitted or whether the e-mail has been transmitted to the designated destination. For example, refer to Patent Literature 1.) After an e-mail is transferred, an e-mail server device notifies a requested client of a transmission result.
[0004]
[Patent Document 1]
JP-A-2002-169752
[Problems to be solved by the invention]
As described above, in the conventional e-mail server device, the transmission result of the requested e-mail is notified to the client. However, when a plurality of e-mail addresses are specified as the destination, the transmission result is output for each of the plurality of destinations. Notification, the number of notifications increases. Therefore, it is conceivable that the transmission results for all the destinations are collectively notified to the client, but the transmission results of all the destinations are not always collected at the reserved time. That is, if the transmission destination of the e-mail has changed the e-mail address, or there is a mistake in the entry of the e-mail address, etc., the e-mail transfer may fail. Since the retransmission is performed a predetermined number of times, if such e-mail transfer failures overlap, it will take time for the transmission results to be collected for all destinations, and it will be considerably longer than the time when the e-mail transmission was requested A problem arises in that the transmission result is notified after a long time.
[0006]
The present invention has been made in view of the above problems, and an e-mail server device and an e-mail server device that can immediately notify a client of a transmission result for a successfully transmitted destination without increasing the number of transmission result notification times. The purpose is to provide the program.
[0007]
[Means for Solving the Problems]
The electronic mail server device according to the first aspect of the present invention includes: a mail receiving unit that receives a transmission mail from a client terminal; a mail transmission unit that transfers the received electronic mail to a plurality of destinations; and a storage unit that stores a transmission result. Notification means for notifying the client terminal of the transmission result, wherein the transmission means retransmits the destination for which the transfer failed, and the notification means transmits the transmission result for the normally transferred destination to the client after the first transfer. In addition to notifying the terminal and notifying the client terminal of the transmission result after retransmitting the destination for which the transfer has failed,
[0008]
A mail server device according to a second aspect of the present invention is the mail server device according to the first aspect, wherein the notifying unit determines, as the transmission result notification after the retransmission, a destination that has been normally retransmitted and a destination that has failed to retransmit. Are notified separately.
[0009]
The invention according to claim 3 is a program for an e-mail server device that receives an outgoing mail from a client terminal and transfers the e-mail to a plurality of destinations. A function of receiving, a function of forwarding the received e-mail to a plurality of destinations, a function of storing a transmission result, a function of notifying a client terminal of a transmission result of a normally transmitted destination after the first transmission, This is a program for realizing a function of retransmitting a destination for which transfer failed, and a function of notifying a client terminal of a transmission result after retransmitting for a destination for which transfer failed.
[0010]
According to the electronic mail server device and the program according to the first to third aspects of the present invention, the transmission result is notified for each of the successfully transferred address and the retransmitted address. The destination that has been successfully transferred can be notified to the user immediately after the time requested by the user without increasing the number of notification of the transmission result.
In addition, as the transmission result notification after the retransmission, if the destination that has been normally retransmitted and the destination that has failed to retransmit are separately notified, the user can easily confirm the destination where the transfer has failed.
[0011]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, an embodiment of an e-mail server device of the present invention will be described with reference to the drawings. FIG. 1 is a diagram showing a network configuration of an electronic mail system using an electronic mail server device according to the present invention, FIG. 2 is a block diagram showing an example of a hardware configuration of the electronic mail server device according to the present invention, and FIG. It is a functional block diagram showing the function of a mail server apparatus.
[0012]
In the network configuration diagram shown in FIG. 1, 1 is a mail server, 2 is a personal computer of a mail client, 3 and 4 are external mail servers, and 5 is an external facsimile server.
The mail server 1 is connected to a client personal computer 2 via a LAN (Local Area Network), and is connected to external mail servers 3, 4 and a facsimile server 5 via a public telephone line or the Internet.
The SMTP (Simple Mail Transfer Protocol) is used for sending e-mail from the client personal computer 2 to the mail server 1 and sending e-mail from the mail server 1 to the mail servers 3 and 4 and the facsimile server 5. SMTP or POP (Post Office Protocol) is used for sending an e-mail to the client personal computer 2.
[0013]
The mail server 1 is composed of hardware as shown in FIG. 2. In FIG. 2, reference numeral 11 denotes a CPU 12, a ROM (Read Only Memory) 13, a RAM (Random Access Memory) 14, an input / output interface 15, and the like. An information processing device provided for performing computer processing, 16 is a display device such as a liquid crystal display (LCD) or CRT display, 17 is an input device such as a keyboard and a mouse, 18 is an external storage device such as an HDD, and 19 is a CD An optical disk drive for reading out programs and data recorded on an optical disk such as a ROM or a DVD, and a communication device 20 such as a LAN card or a modem; The CPU 12 controls each of the above hardware units and executes various programs based on the programs stored in the ROM 13. The RAM 14 is composed of an SRAM or the like, and stores temporary data generated when a program is executed.
[0014]
On the other hand, FIG. 3 is a functional block diagram showing the mail server 1 by function, and includes a control unit 21, a mail reception unit 22, a mail transmission unit 23, a transmission mail reception unit 24, a transmission mail storage unit 25, and a transmission management unit 26. 1, a transmission result storage unit 27, a transmission result notifying unit 28, a communication processing unit 29, and a clock unit 30, and the communication processing unit 29 communicates with the client personal computer 2, the external mail servers 3, 4, and the facsimile server 5 in FIG. I do.
The mail receiving unit 22 receives an e-mail transmitted from the external mail servers 3 and 4 or the facsimile server 5, and the received e-mail is transferred to the destination client personal computer 2 by the mail transmitting unit 23. On the other hand, the outgoing e-mail receiving unit 24 receives an e-mail from the client personal computer 2, and the received e-mail is temporarily stored in the outgoing e-mail storage unit 25, and the transmission management unit 26 stores the transmission destination and transmission time designated by the client. Is stored.
[0015]
When the time measured by the timer 30 reaches the time designated by the client, the e-mail stored in the outgoing mail storage 25 is transferred to an external destination stored in the transmission manager 26, The transmission result storage unit 27 stores the transmission result indicating whether the transmission of the e-mail was normal, and the transmission result notifying unit 28 notifies the client personal computer 2 of the transmission result.
These units are configured by the CPU 12, the ROM 13, and the RAM 14 of FIG. 2, and their functions are executed by software programs. In addition, each of the above units can share a CPU and a memory. For example, each unit can be provided with one CPU, each unit can be used in a time-division manner, or two or three CPUs can be used. Up to three CPUs can be assigned to each unit.
[0016]
Next, an operation in a case where an e-mail specifying a transmission destination is received from a client and the e-mail is transferred to the specified transmission destination will be described with reference to a functional block diagram of FIG. 3 and a flowchart of FIG.
When the outgoing mail accepting unit 24 receives at least an instruction for specifying the transmission destination and the transmission time of the e-mail from the client personal computer 2, the control unit 21 stores the e-mail in the outgoing mail storage unit 25. At the same time, the transmission destination and the transmission time are stored in the transmission management unit 26 (step 101). On the other hand, the control unit 21 constantly monitors the time measured by the clock unit 30 (step 102). When the transmission time specified by the client stored in the transmission management unit 26 is reached, the control unit 21 transmits The e-mail stored in the e-mail storage unit 25 is transferred from the e-mail transmission unit 23 for each of a plurality of destinations stored in the transmission management unit 26, and the transmission result indicating whether the e-mail transfer was normal is transmitted. It is stored in the storage unit 27 (step 103).
[0017]
Then, the control unit 21 determines whether or not the transfer has been performed to all of the plurality of destinations specified by the client (step 104). The transmission result notification unit 28 sends a transmission result notification as shown in FIG. 5 to the client personal computer 2 only for the destinations that have been normally transferred by referring to the contents of (1) (step 105).
Next, the control unit 21 refers to the contents of the transmission result storage unit 27 to determine whether or not there is a destination whose transmission result is not normal (step 106). finish. On the other hand, if there is a destination for which the transfer failed, the control unit 21 sends the e-mail stored in the outgoing mail storage unit 25 to the destination where the transmission result was not normal in the same manner as described above. And the transmission result is stored in the transmission result storage unit 27 (step 107).
[0018]
Then, when the retransmission is completed, the control unit 21 refers to the contents of the transmission result storage unit 27 and displays the transmission result for the retransmitted destination as shown in FIG. A transmission result notification indicating whether or not there is a message is sent to the client personal computer 2 by the transmission result notifying unit 28 (step 108), and the process is terminated. In the transmission result notification after the retransmission shown in FIG. 6, the normally retransmitted address and the retransmission unsuccessful address are entered in the same document. However, as shown in FIGS. It is also possible to separately notify a normally retransmitted destination and a retransmission failed destination, and if there are many destinations to transmit, it is possible to easily confirm only the destination that failed to transmit. Can be.
[0019]
In the above-described embodiment, an example has been described in which an e-mail that has failed to be transferred is retransmitted only once. However, retransmission may be performed a plurality of times. In this case, a destination that is normally retransmitted for each retransmission Is sent to the client, the client can know the transmission result of the normally resent e-mail earlier.
Further, in the above embodiment, the mail server and the client personal computer are connected by a LAN, but other types of networks such as a WAN and a dedicated line, or a plurality of types of networks such as a combination of a LAN and the Internet are used. May be combined.
[0020]
【The invention's effect】
As described in detail above, the e-mail server device and the program of the present invention receive an e-mail specifying a transmission destination from a client, and transfer the e-mail to the specified transmission destination. Since the transmission result is notified for each retransmitted destination, even if there are many destinations, the client is requested for the destination that has been successfully transferred without increasing the number of transmission result notifications. After the time, the client can be notified immediately.
Also, when retransmission is performed, if the transmission result after retransmission is notified separately for the destination that has been successfully retransmitted and the destination that has failed to retransmit, the client will not be able to transfer even if there are too many destinations. The destination can be easily confirmed.
[Brief description of the drawings]
FIG. 1 is a diagram showing a network configuration of an e-mail system using an e-mail server device according to the present invention.
FIG. 2 is a block diagram illustrating a hardware configuration example of an electronic mail server device according to the present invention.
FIG. 3 is a functional block diagram showing functions of the electronic mail server device according to the present invention.
FIG. 4 is a flowchart illustrating an operation when an electronic mail is transferred.
FIG. 5 is a diagram illustrating a transmission result notification of a destination that has been successfully transferred;
FIG. 6 is a diagram showing a transmission result notification of retransmission.
FIG. 7 is a diagram illustrating a transmission result notification of a destination that has been successfully retransmitted.
FIG. 8 is a diagram illustrating a transmission result notification of a destination for which retransmission has failed.
[Explanation of symbols]
1 mail server 2 client personal computer 3, 4 mail server 5 facsimile server 11 information processing device 12 CPU
13 ROM
14 RAM
15 input / output interface 16 display device 17 input device 18 external storage device 19 optical disk drive device 20 communication device 21 control unit 22 mail reception unit 23 mail transmission unit 24 transmission mail reception unit 25 transmission mail storage unit 26 transmission management unit 27 transmission result storage Unit 28 transmission result notifying unit 29 communication processing unit 30 clock unit

Claims (3)

Mail receiving means for receiving an outgoing mail from the client terminal, mail transmitting means for transferring the received e-mail to a plurality of destinations, storage means for storing the transmission result, and notification means for notifying the client terminal of the transmission result. The transmitting means retransmits the destination for which the transfer failed, and the notifying means notifies the client terminal of the transmission result for the normally transferred destination after the first transfer, and retransmits the destination for which the transfer failed. An e-mail server device for notifying a client terminal of a transmission result later. 2. The e-mail server device according to claim 1, wherein the notifying unit separately notifies a destination that has been normally retransmitted and a destination that has failed to retransmit as a transmission result notification after retransmission. A program of an e-mail server device for receiving an outgoing mail from a client terminal and transferring the e-mail to a plurality of destinations, wherein the computer of the e-mail server device has a function of receiving the outgoing mail from the client terminal, A function to forward e-mail to multiple destinations, a function to store the transmission result, a function to notify the client terminal of the transmission result for a normally transmitted destination after the first transmission, and a function to retransmit an address that failed to be transmitted. A program for realizing a function to perform and a function of notifying a client terminal of a transmission result after retransmitting a destination for which transfer failed.

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