CN104734944A - Transmission method and device for electronic mail - Google Patents
Transmission method and device for electronic mail Download PDFInfo
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- CN104734944A CN104734944A CN201510121305.2A CN201510121305A CN104734944A CN 104734944 A CN104734944 A CN 104734944A CN 201510121305 A CN201510121305 A CN 201510121305A CN 104734944 A CN104734944 A CN 104734944A
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Abstract
The invention discloses a transmission method and device for an electronic mail. The method comprises the steps of monitoring to learn the fact that a mail sending terminal triggers the mail sending request and obtaining content information sent by the mail; performing encrypting on the obtained content information sent by the mail and performing encapsulating on the encrypted mail content information; sending the encapsulated mail content information to a target mail server. According to the transmission method and device for the electronic mail, the problems that in the prior art, the operation is complex and the compatibility is poor in encrypting the mail by using a client tool and the mail cannot be encrypted by using web are solved, and the security of mail receiving and sending is improved.
Description
Technical field
The present invention relates to internet arena, in particular to a kind of transmission method and device of Email.
Background technology
Along with the develop rapidly of network technology, Email as a kind of convenient, fast, cheap, advantage that transinformation content is large use by increasing people.When we use Email send some comprise the mail of privacy or trade secret time, will potential safety hazard be there is.This is because the geneogenous security breaches of email protocol self cause.Email when transmission over networks, employing be plaintext transmission, so mail is easy to be intercepted and captured in transmitting procedure, and the information of transmission may be usurped by people, and then causes huge economic loss to victim.In addition, it is also store in mode expressly that Email content is stored on addressee server, also safe risk can be there is, once mail server is usurped by hacker, the Email Accounts password of user is stolen or unauthorized terminal, personnel log in, the mail be so stored on this mail server is also just dangerous.
In order to improve the fail safe of Email, the client utilitys such as such as outlook and foxmail used now have encryption function, but the mail encryption method of existing client utility exists following shortcoming:
(1) email encryption uses complex steps, also needs applying for electronic certificate, configuration client, and complexity is high;
(2) client utility usage platform disunity, causes mutual encryption and decryption mode can not be compatible;
(3) web web page user E-mail encryption/decryption problem can not be solved.
For using client utility privacy enhanced mail complicated operation in prior art and poor compatibility, using web cannot the problem of privacy enhanced mail, not yet proposing effective solution at present.
Summary of the invention
The invention provides a kind of transmission method and device of Email, use client utility privacy enhanced mail complicated operation and poor compatibility at least to solve in prior art, use web cannot the problem of privacy enhanced mail.
According to an aspect of the present invention, provide a kind of transmission method of Email, the method comprises: monitor and know that mail sending end triggers request for sending E-mail, obtain the content information of mail sending; The content information of the mail sending of acquisition is encrypted, and the Mail Contents information after encryption is encapsulated; Mail Contents information after encapsulation is sent to target mail server.
Further, after the Mail Contents information after encapsulation is sent to target mail server, also comprise: monitor and know that mail reception end triggers mail reception request, determine the required mail received; From target mail server, obtain the mail received needed for determining, and be decrypted the content information obtaining mail sending; The content information of the mail sending of acquisition is sent to mail reception end.
Further, know that mail sending end triggers request for sending E-mail in monitoring, before obtaining the content information of mail sending, also comprise: in advance mail sending end and mail reception end are configured, to realize monitoring the request for sending E-mail of mail sending end and the mail reception request of mail reception end.
Further, in advance mail sending end and mail reception end are configured, comprise: when mail sending end and/or mail reception end are webpage pattern, the PAC agency of the corresponding browser of configuration webpage; When mail sending end and/or mail reception end are client mode, the mail sending in configuration client and the server address of reception.
Further, when mail sending end is webpage pattern, monitors and know that mail sending end triggers request for sending E-mail, obtain the content information of mail sending, comprising: monitor and know that mail sending end triggers POST request, obtain the information of carrying in POST request; Resolve the information of carrying in the POST request obtained, obtain the content information of mail sending.
Further, when mail reception end is webpage pattern, monitors and know that mail reception end triggers mail reception request, determine the required mail received, comprising: monitor and know that mail reception end triggers GET request, obtain the information of carrying in GET request; Resolve the information of carrying in the GET request obtained, determine the required mail received.
According to a further aspect in the invention, provide a kind of transmitting device of Email, this device comprises: the first monitoring unit, knowing that mail sending end triggers request for sending E-mail, obtaining the content information of mail sending for monitoring; Ciphering unit, the content information for the mail sending by acquisition is encrypted, and the Mail Contents information after encryption is encapsulated; First transmitting element, for being sent to target mail server by the Mail Contents information after encapsulation.
Further, this device also comprises: the second monitoring unit, for after the Mail Contents information after encapsulation is sent to target mail server, monitors and knows that mail reception end triggers mail reception request, determine the required mail received; Decryption unit, the mail received needed for determining for acquisition from target mail server, and be decrypted the content information obtaining mail sending; Second transmitting element, the content information for the mail sending by acquisition is sent to mail reception end.
Further, the first monitoring unit comprises: first monitors module, for when mail sending end is webpage pattern, monitors and knows that mail sending end triggers POST request, obtain the information of carrying in POST request; First parsing module, for resolving the information of carrying in the POST request of acquisition, obtains the content information of mail sending.
Further, the second monitoring unit comprises: second monitors module, for when mail reception end is webpage pattern, monitors and knows that mail reception end triggers GET request, obtain the information of carrying in GET request; Second parsing module, for resolving the information of carrying in the GET request of acquisition, determines the required mail received.
User is undertaken in Email process of transmitting by webpage or client in the present invention, after proxy gateway listens to the request for sending E-mail of mail sending end, resolve and obtain Mail Contents information, and Mail Contents information is encrypted, then the information after encryption process is forwarded to target mail server; In mail reception termination receiving emails process, after proxy gateway listens to the mail reception request of mail reception end, confirm the required mail received of user, and to target mail server acquisition request to this mail, after analyzing deciphering, by email relaying to mail reception end, complete the reception of mail.The transmitting-receiving process of whole mail adopts the form of ciphertext, ensure that and no matter is intercepted and captured in the process transmitted, or mail server is broken, and all can not obtain the true content of mail.Meanwhile, this scheme both can the mail transmission/reception of compatible client pattern, also can the mail transmission/reception of compatible with web webpage pattern.By the introducing of this transparent encryption and decryption gateway, under the prerequisite not changing user's current mail system use habit, the encryption of mail sending and the deciphering of mail reception process can be completed, efficiently solve in prior art and use client utility privacy enhanced mail complicated operation and poor compatibility, use web cannot the problem of privacy enhanced mail, further, the fail safe of mail transmission/reception is also improved.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, and form a application's part, schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the optional flow chart of one of the transmission method of Email according to the embodiment of the present invention;
Fig. 2 is the optional flow chart of one receiving mail in the transmission method according to the Email of the embodiment of the present invention;
Fig. 3 is the product allocation figure of the transmission method of Email according to the embodiment of the present invention;
Fig. 4 is the optional structure chart of one of the transmitting device of Email according to the embodiment of the present invention; And
Fig. 5 is the optional structure chart of another kind of the transmitting device of Email according to the embodiment of the present invention.
Embodiment
Below with reference to accompanying drawings exemplary embodiment of the present disclosure is described in more detail.Although show exemplary embodiment of the present disclosure in accompanying drawing, however should be appreciated that can realize the disclosure in a variety of manners and not should limit by the embodiment set forth here.On the contrary, provide these embodiments to be in order to more thoroughly the disclosure can be understood, and complete for the scope of the present disclosure can be conveyed to those skilled in the art.
Embodiment 1
In preferred embodiment 1 of the present invention, provide a kind of transmission method of Email, particularly, Fig. 1 illustrates the optional flow chart of the one of the method, and as shown in Figure 1, the method comprises the steps S102 ~ S106:
S102, monitors and knows that mail sending end triggers request for sending E-mail, obtain the content information of mail sending;
Before carrying out mail sending, need to be configured mail sending end in advance.Specifically, for the mail sending end using WEB webpage pattern, start the service of local browser Scripting Agent, (Proxy auto-config is acted on behalf of to browser PAC, agency is configuration automatically) arrange, preferably, when being configured, corresponding configuration tool can be provided by the service provider of correspondence, after local terminal downloads this configuration tool, realizing a key configuration by clicking, also can carry out artificial configuration by the automatic config option of agency of the correspondence in artificial change browser internet option; For the mail sending end using Mail Clients pattern, can change mail transmission/reception server address in the corresponding option of client, be encryption gateway address by mail transmission/reception Servers installed.
After completing above-mentioned configuration, when user carries out mail sending at mail sending end, the mail sending operation that the proxy gateway being positioned at local terminal local area network (LAN) triggers in response to user, resolves and gets the Mail Contents information that user sends mail.
Preferably, when user carries out mail sending, proxy gateway can judge that mail sending end adopts WEB login or Mail Clients other-end etc. to log in, and then takes Different Strategies to enter transmitting-receiving link.For the mail sending end of WEB webpage pattern, when proxy gateway is monitored and known mail sending end triggering POST request, obtaining the information of carrying in POST request, by resolving the information of carrying in the POST request of acquisition, obtaining the content information of mail sending.
S104, is encrypted the content information of the mail sending of acquisition, and the Mail Contents information after encryption is encapsulated;
S106, is sent to target mail server by the Mail Contents information after encapsulation.
In the Email process of transmitting of above-mentioned record, after proxy gateway listens to the request for sending E-mail of mail sending end, resolve and obtain Mail Contents information, and Mail Contents information is encrypted, then the information after encryption process is forwarded to target mail server, ensures the form of the process employing ciphertext that Email sends, no matter intercepted and captured in the process transmitted, or mail server information is stolen, all can not obtain the true content of mail.Simultaneously, the scheme that this Email sends both can compatible client pattern, also can compatible with web webpage pattern, efficiently solve in prior art and use client utility privacy enhanced mail complicated operation and poor compatibility, use web cannot the problem of privacy enhanced mail, further, the fail safe of mail transmission/reception is also improved.
After completing above-mentioned mail sending, mail reception end, when receiving Email, as shown in Figure 2, comprises the steps S202 ~ S206:
S202, monitors and knows that mail reception end triggers mail reception request, determines the required mail received;
Before carrying out mail reception, need to be configured mail reception end in advance.Specifically, for the mail reception end using WEB webpage pattern, start the service of local browser Scripting Agent, (Proxy auto-config is acted on behalf of to browser PAC, agency is configuration automatically) arrange, preferably, when being configured, corresponding configuration tool can be provided by the service provider of correspondence, after local terminal downloads this configuration tool, realizing a key configuration by clicking, also can carry out artificial configuration by the automatic config option of agency of the correspondence in artificial change browser internet option; For the mail reception end using Mail Clients pattern, can change mail transmission/reception server address in the corresponding option of client, be encryption gateway address by mail transmission/reception Servers installed.
After completing above-mentioned configuration, when user carries out mail reception at mail reception end, the mail reception operation that proxy gateway triggers in response to user, determines the required mail received.
Preferably, for the mail reception end of WEB webpage pattern, when proxy gateway is monitored and known mail reception end triggering GET request, obtaining the information of carrying in GET request, by resolving the information of carrying in the GET request of acquisition, determining the required mail received.
S204, obtains the mail received needed for determining, and is decrypted the content information obtaining mail sending from target mail server;
Proxy gateway, after receiving the data content that target mail server passes back, finds the Mail Contents of encryption section to be decrypted, and then the content after deciphering is replaced the content of former encryption.
S206, is sent to mail reception end by the content information of the mail sending of acquisition.
The content that content after deciphering replaces former encryption is transmitted back to mail reception end, the Mail Contents that user receives be exactly decrypted after content.
In the e-mail reception process of above-mentioned record, after proxy gateway listens to the mail reception request of mail reception end, determine the required mail received, and Mail Contents information is decrypted, then the information after decryption processing process is forwarded to mail reception end, ensure that the process of e-mail reception adopts the form of ciphertext, be no matter intercepted and captured in the process received, mail server information is stolen, the Email Accounts password of user is stolen or unauthorized terminal, personnel log in, and all can not obtain the true content of mail.Simultaneously, the scheme of this e-mail reception both can compatible client pattern, also can compatible with web webpage pattern, efficiently solve in prior art and use client utility privacy enhanced mail complicated operation and poor compatibility, use web cannot the problem of privacy enhanced mail, further, the fail safe of mail transmission/reception is also improved.
Preferably, Fig. 3 is that this programme is carrying out the optional product allocation figure of the one in mail transmission/reception process, and as shown in Figure 3, enterprise A and enterprise B inside are provided with can the proxy gateway of encryption and decryption, enterprise A and enterprise B both can as the transmitting terminals of Email, also can as the receiving terminal of mail.When enterprise uses PC terminal to carry out mail sending, or when using mobile phone terminal to carry out mail sending by https agreement, after the clear content of mail is encrypted by the proxy gateway being positioned at local terminal enterprise, be transferred to mail server in the mode of ciphertext, mail server is also store in the mode of ciphertext; When enterprise uses PC terminal to carry out mail reception, or when using mobile phone terminal to carry out mail reception by https agreement, Mail Contents is also transfer to the form of ciphertext to be positioned at local terminal enterprise agential gateway and to be decrypted, and again Mail Contents is returned to mail reception end after proxy gateway deciphering.Such guarantee be no matter is intercepted and captured in the process received, mail server information is stolen, the Email Accounts password of user is stolen or unauthorized terminal, personnel log in, all can not obtain the Mail Contents of plaintext, greatly increase the confidentiality of mail.
Embodiment 2
Based on the transmission method of the Email provided in above-described embodiment 1, this preferred embodiment provides a kind of transmitting device of Email, and particularly, Fig. 4 illustrates the optional structured flowchart of the one of this device, and as shown in Figure 4, this device comprises:
For monitoring, first monitoring unit 42, knows that mail sending end triggers request for sending E-mail, obtains the content information of mail sending;
Before carrying out mail sending, need to be configured mail sending end in advance.Specifically, for the mail sending end using WEB webpage pattern, start the service of local browser Scripting Agent, (Proxy auto-config is acted on behalf of to browser PAC, agency is configuration automatically) arrange, preferably, when being configured, corresponding configuration tool can be provided by the service provider of correspondence, after local terminal downloads this configuration tool, realizing a key configuration by clicking, also can carry out artificial configuration by the automatic config option of agency of the correspondence in artificial change browser internet option; For the mail sending end using Mail Clients pattern, can change mail transmission/reception server address in the corresponding option of client, be encryption gateway address by mail transmission/reception Servers installed.
After completing above-mentioned configuration, when user carries out mail sending at mail sending end, the mail sending that the proxy gateway of local terminal triggers in response to user operates, and resolves and gets the Mail Contents information that user sends mail.
Preferably, when user carries out mail sending, proxy gateway can judge that mail sending end adopts WEB login or Mail Clients other-end etc. to log in, and then takes Different Strategies to enter transmitting-receiving link.During specific implementation, the first monitoring unit comprises: first monitors module, for when mail sending end is webpage pattern, monitors and knows that mail sending end triggers POST request, obtain the information of carrying in POST request; First parsing module, for resolving the information of carrying in the POST request of acquisition, obtains the content information of mail sending.
Ciphering unit 44, be connected with the first monitoring unit 42, the content information for the mail sending by acquisition is encrypted, and the Mail Contents information after encryption is encapsulated;
First transmitting element 46, is connected with ciphering unit 44, for the Mail Contents information after encapsulation is sent to target mail server.
The device of above-mentioned record is in Email process of transmitting, after proxy gateway listens to the request for sending E-mail of mail sending end, resolve and obtain Mail Contents information, and Mail Contents information is encrypted, then the information after encryption process is forwarded to target mail server, ensures the form of the process employing ciphertext that Email sends, no matter intercepted and captured in the process transmitted, or mail server information is stolen, all can not obtain the true content of mail.Simultaneously, the scheme that this Email sends both can compatible client pattern, also can compatible with web webpage pattern, efficiently solve in prior art and use client utility privacy enhanced mail complicated operation and poor compatibility, use web cannot the problem of privacy enhanced mail, further, the fail safe of mail transmission/reception is also improved.
Further, the present invention is also optimized said apparatus, and specifically, as shown in Figure 5, this device also comprises:
Second monitoring unit 52, for after the Mail Contents information after encapsulation is sent to target mail server, monitors and knows that mail reception end triggers mail reception request, determine the required mail received;
Before carrying out mail reception, need to be configured mail reception end in advance.Specifically, for the mail reception end using WEB webpage pattern, start the service of local browser Scripting Agent, (Proxy auto-config is acted on behalf of to browser PAC, agency is configuration automatically) arrange, preferably, when being configured, corresponding configuration tool can be provided by the service provider of correspondence, after local terminal downloads this configuration tool, realizing a key configuration by clicking, also can carry out artificial configuration by the automatic config option of agency of the correspondence in artificial change browser internet option; For the mail reception end using Mail Clients pattern, can change mail transmission/reception server address in the corresponding option of client, be encryption gateway address by mail transmission/reception Servers installed.
After completing above-mentioned configuration, when user carries out mail reception at mail reception end, the mail reception operation that proxy gateway triggers in response to user, determines the required mail received.
Preferably, the second monitoring unit comprises: second monitors module, for when mail reception end is webpage pattern, monitors and knows that mail reception end triggers GET request, obtain the information of carrying in GET request; Second parsing module, for resolving the information of carrying in the GET request of acquisition, determines the required mail received.
Decryption unit 54, is connected with the second monitoring unit 52, the mail received needed for determining for acquisition from target mail server, and is decrypted the content information obtaining mail sending;
Proxy gateway, after receiving the data content that target mail server passes back, finds the Mail Contents of encryption section to be decrypted, and then the content after deciphering is replaced the content of former encryption.
Second transmitting element 56, is connected with decryption unit 54, and the content information for the mail sending by acquisition is sent to mail reception end.
The content that content after deciphering replaces former encryption is transmitted back to mail reception end, the Mail Contents that user receives be exactly decrypted after content.
It should be noted that, the first monitoring unit of above-mentioned record and the second monitoring unit can be independent two unit arranged, and also can be monitoring units with the independent setting of the function of said two units herein; First transmitting element of above-mentioned record and the second transmitting element can be independent two unit arranged, and also can be transmitting elements with the independent setting of the function of said two units.
In the e-mail reception process of above-mentioned record, after proxy gateway listens to the mail reception request of mail reception end, determine the required mail received, and Mail Contents information is decrypted, then the information after decryption processing process is forwarded to mail reception end, ensure that the process of e-mail reception adopts the form of ciphertext, no matter intercepted and captured in the process received, or the stolen or unauthorized terminal of mail server information Email Accounts password that is stolen, user, personnel log in, and all can not obtain the true content of mail.Simultaneously, the scheme of this e-mail reception both can compatible client pattern, also can compatible with web webpage pattern, efficiently solve in prior art and use client utility privacy enhanced mail complicated operation and poor compatibility, use web cannot the problem of privacy enhanced mail, further, the fail safe of mail transmission/reception is also improved.
The present invention will be described instead of limit the invention to it should be noted above-described embodiment, and those skilled in the art can design alternative embodiment when not departing from the scope of claims.In the claims, any reference symbol between bracket should be configured to limitations on claims.Word " comprises " not to be got rid of existence and does not arrange element in the claims or step.Word "a" or "an" before being positioned at element is not got rid of and be there is multiple such element.The present invention can by means of including the hardware of some different elements and realizing by means of the computer of suitably programming.In the unit claim listing some devices, several in these devices can be carry out imbody by same hardware branch.Word first, second and third-class use do not represent any order.Can be title by these word explanations.
The application can be applied to computer system/server, and it can operate with other universal or special computing system environment numerous or together with configuring.The example of the well-known computing system being suitable for using together with computer system/server, environment and/or configuration includes but not limited to: personal computer system, server computer system, thin client, thick client computer, hand-held or laptop devices, the system based on microprocessor, Set Top Box, programmable consumer electronics, NetPC Network PC, little type Ji calculate machine Xi Tong ﹑ large computer system and comprise the distributed cloud computing technology environment of above-mentioned any system, etc.
Computer system/server can describe under the general linguistic context of the computer system executable instruction (such as program module) performed by computer system.Usually, program module can comprise routine, program, target program, assembly, logic, data structure etc., and they perform specific task or realize specific abstract data type.Computer system/server can be implemented in distributed cloud computing environment, and in distributed cloud computing environment, task is performed by the remote processing devices by communication network links.In distributed cloud computing environment, program module can be positioned at and comprise on the Local or Remote computing system storage medium of memory device.
Claims (10)
1. the transmission method of Email, is characterized in that, comprising:
Monitoring knows that mail sending end triggers request for sending E-mail, obtains the content information of mail sending;
The content information of the described mail sending obtained is encrypted, and the Mail Contents information after encryption is encapsulated;
Mail Contents information after encapsulation is sent to target mail server.
2. the method for claim 1, is characterized in that, described by encapsulation after Mail Contents information be sent to target mail server after, also comprise:
Monitoring knows that mail reception end triggers mail reception request, determines the required mail received;
From described target mail server, obtain the described required mail received determined, and be decrypted the content information obtaining described mail sending;
The content information of the described mail sending obtained is sent to mail reception end.
3. method as claimed in claim 2, is characterized in that, knows that mail sending end triggers request for sending E-mail, before obtaining the content information of mail sending, also comprise in described monitoring:
In advance described mail sending end and described mail reception end are configured, to realize monitoring the request for sending E-mail of described mail sending end and the mail reception request of described mail reception end.
4. method as claimed in claim 3, is characterized in that, is describedly configured described mail sending end and described mail reception end in advance, comprising:
When described mail sending end and/or described mail reception end are webpage pattern, the PAC agency of the corresponding browser of configuration webpage;
When described mail sending end and/or described mail reception end are client mode, the mail sending in configuration client and the server address of reception.
5. method as claimed in claim 4, is characterized in that, when described mail sending end is webpage pattern, described monitoring knows that mail sending end triggers request for sending E-mail, obtains the content information of mail sending, comprising:
Monitoring knows that mail sending end triggers POST request, obtains during described POST asks the information of carrying;
Resolve the information of carrying in the described POST request obtained, obtain the content information of mail sending.
6. method as claimed in claim 5, is characterized in that, when described mail reception end is webpage pattern, described monitoring knows that mail reception end triggers mail reception request, determines the required mail received, comprising:
Monitoring knows that mail reception end triggers GET request, obtains during described GET asks the information of carrying;
Resolve the information of carrying in the described GET request obtained, determine the required mail received.
7. a transmitting device for Email, is characterized in that, comprising:
For monitoring, first monitoring unit, knows that mail sending end triggers request for sending E-mail, obtains the content information of mail sending;
Ciphering unit, for being encrypted by the content information of the described mail sending obtained, and encapsulates the Mail Contents information after encryption;
First transmitting element, for being sent to target mail server by the Mail Contents information after encapsulation.
8. device as claimed in claim 7, is characterized in that, also comprise:
Second monitoring unit, for described Mail Contents information after encapsulation is sent to target mail server after, monitor and know that mail reception end triggers mail reception request, determine the required mail received;
Decryption unit, for obtaining the described required mail received determined from described target mail server, and is decrypted the content information obtaining described mail sending;
Second transmitting element, for being sent to mail reception end by the content information of the described mail sending obtained.
9. device as claimed in claim 7, it is characterized in that, described first monitoring unit comprises:
First monitors module, for when described mail sending end is webpage pattern, monitors and knows that mail sending end triggers POST request, obtain during described POST asks the information of carrying;
First parsing module, for resolving the information of carrying in the described POST request of acquisition, obtains the content information of mail sending.
10. device as claimed in claim 8, it is characterized in that, described second monitoring unit comprises:
Second monitors module, for when described mail reception end is webpage pattern, monitors and knows that mail reception end triggers GET request, obtain during described GET asks the information of carrying;
Second parsing module, for resolving the information of carrying in the described GET request of acquisition, determines the required mail received.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510121305.2A CN104734944A (en) | 2015-03-18 | 2015-03-18 | Transmission method and device for electronic mail |
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| CN201510121305.2A CN104734944A (en) | 2015-03-18 | 2015-03-18 | Transmission method and device for electronic mail |
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