CN103124231A - Method for forwarding mail and transit server - Google Patents
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- CN103124231A CN103124231A CN2013100522543A CN201310052254A CN103124231A CN 103124231 A CN103124231 A CN 103124231A CN 2013100522543 A CN2013100522543 A CN 2013100522543A CN 201310052254 A CN201310052254 A CN 201310052254A CN 103124231 A CN103124231 A CN 103124231A
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Abstract
The invention is applicable to the technical field of communication and provides a method for forwarding a mail and a transit server. The method comprises the following steps of: acquiring and analyzing the mail by the transit server; judging attributes of mailboxes used by a sender and a receiver of the mail according to an analysis result; if the mailbox used by the sender is an external mailbox and the mailbox used by the recipient is an internal mailbox, firstly deciphering the mail by using a transit pgp private key and then forwarding the deciphered mail to corresponding receiver and carbon copy addresses according to a preset binding relationship; and if the mailbox used by the sender is an internal mailbox and the mailbox used by the receiver is an external mailbox, firstly ciphering the mail by using an external pgp public key and then forwarding the ciphered mail to corresponding receiver and carbon copy addresses according to the preset binding relationship. The method and the transit server improve the transmitting and receiving efficiency of the mail as the ciphering, deciphering and automatic forwarding functions of the mail are finished automatically by the transit server.
Description
Technical field
The invention belongs to communication technical field, relate in particular to a kind of method, transfer server of forwarding by mail.
Background technology
The arrival in E epoch makes mail play the part of indispensable role in the network life, human work.Along with the development of network technology, the application of mail is more and more ripe, and the scope of use is also more and more extensive.
At present, the transmitting-receiving between mail mainly comprise between intra-company's mailbox, between the outside mailbox of intra-company's mailbox and company, between the outside mailbox of the outside mailbox of company and company.
In these three kinds of situations, the most unmanageable is mail transmission/reception between the outside mailbox of intra-company's mailbox and company.
Generally, all to apply for outside sending permission to company in advance by the engineer of intra-company when the engineer of intra-company and external company carry out that mail exchanges, again Mail Contents is comprised that text and annex etc. are encrypted, then will encrypt good mail and send to the outside by corporate server, cause like this when the associate changes, the engineer's of intra-company rights management is more chaotic, simultaneously, because the encryption of Mail Contents is to be operated by the engineer of intra-company, so mail transmission/reception inefficiency, and be not easy to unified management, maintenance cost is high.
Summary of the invention
The embodiment of the present invention provides a kind of method, transfer server of forwarding by mail, when being intended to solve prior art carrying out mail transmission/reception between the outside mailbox of intra-company's mailbox and company, the mail transmission/reception inefficiency, and be not easy to unified management, safeguard successfully high problem.
On the one hand, provide a kind of method of forwarding by mail, described method comprises:
Transfer server obtains mail, and resolves described mail;
According to the sender of the described mail of analysis result judgement and the attribute of the mailbox that the addressee uses;
If the mailbox that the sender uses is that the mailbox that outside mailbox and addressee use is inner mailbox, first use transfer pgp private key that described mail is decrypted, then forward the extremely corresponding addressee of described mail after deciphering and the people that makes a copy for according to the binding relationship that sets in advance;
If the mailbox that the sender uses is mailbox that inner mailbox and addressee use when being outside mailbox, first use outside pgp PKI that described mail is encrypted, then forward the extremely corresponding addressee of described mail after encrypting and the people that makes a copy for according to the binding relationship that sets in advance.
On the other hand, provide a kind of transfer server, described transfer server comprises:
The mail resolution unit is used for obtaining mail, and resolves described mail;
Mailbox determined property unit is used for according to the sender of the described mail of analysis result judgement and the attribute of the mailbox that the addressee uses;
The first mail retransmission unit, if the mailbox that uses for the sender is that the mailbox that outside mailbox and addressee use is inner mailbox, first use transfer pgp private key that described mail is decrypted, then forward the extremely corresponding addressee of described mail after deciphering and the people that makes a copy for according to the binding relationship that sets in advance;
The second mail retransmission unit, if when being used for mailbox that the sender uses and being mailbox that inner mailbox and addressee use and being outside mailbox, first use outside pgp PKI that described mail is encrypted, then forward the extremely corresponding addressee of described mail after encrypting and the people that makes a copy for according to the binding relationship that sets in advance.
In the embodiment of the present invention, obtain mail by transfer server, and resolve described mail, if the mailbox that the sender uses is that the mailbox that outside mailbox and addressee use is inner mailbox, first use transfer pgp private key that described mail is decrypted, then forward the extremely corresponding addressee of described mail after deciphering and the people that makes a copy for according to the binding relationship that sets in advance; If the mailbox that the sender uses is mailbox that inner mailbox and addressee use when being outside mailbox, first use outside pgp PKI that described mail is encrypted, then forward the extremely corresponding addressee of described mail after encrypting and the people that makes a copy for according to the binding relationship that sets in advance.When in-company engineer sends mail to external company or receives the mail of external company's transmission, do not need oneself to be encrypted and decryption processing, automatically completed encryption and decryption and the automatic forwarding capability of mail by transfer server, improved the transmitting-receiving efficient of mail.In addition, when personnel changed, the transmitting-receiving rights management of mail and distribution were very easy, are convenient to unified management, can reduce maintenance cost.
Description of drawings
Fig. 1 is the mail transmission/reception that provides of the embodiment of the present invention and the linking relationship schematic diagram of transfer server;
Fig. 2 is the realization flow figure of the method for the forwarding by mail that provides of further embodiment of this invention;
Fig. 3 is the structured flowchart of the transfer server that provides of further embodiment of this invention.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, is not intended to limit the present invention.
In embodiments of the present invention, obtain mail by transfer server, and resolve described mail, if the mailbox that the sender uses is that the mailbox that outside mailbox and addressee use is inner mailbox, first use transfer pgp private key that described mail is decrypted, then forward the extremely corresponding addressee of described mail after deciphering and the people that makes a copy for according to the binding relationship that sets in advance; If the mailbox that the sender uses is mailbox that inner mailbox and addressee use when being outside mailbox, first use outside pgp PKI that described mail is encrypted, then forward the extremely corresponding addressee of described mail after encrypting and the people that makes a copy for according to the binding relationship that sets in advance.
Below in conjunction with specific embodiment, realization of the present invention is described in detail:
Fig. 1 shows mail transmission/reception that the embodiment of the present invention provides and the linking relationship signal of transfer server, and details are as follows:
Generally, the mail the when engineer of intra-company and external company carry out the mail dealing and exchange sends and has all passed through the mail server of company, by the mail server forwarding by mail of company to external company.
The present embodiment is to increase on the basis of existing technology one or more transfer server, by transfer server, the mail that the engineer 1,2 or 3 of the A of company is sent to the A of company mail server is forwarded to external company 1 or external company 2.Certainly, also can the mail that external company 1 or external company 2 sends be forwarded to the A of company mail server by transfer server by transfer server.
Embodiment one
Fig. 2 shows the realization flow of the method for the forwarding by mail that further embodiment of this invention provides, and details are as follows:
In step S201, transfer server obtains mail, and resolves described mail.
In the present embodiment, using for the first time before transfer server carries out the forwarding of mail, at first transfer server need to carry out the configuration of each instrument script according to configuration-direct, generates the script file of each instrument script.
During configuration, the keeper starts the system flow of transfer server, namely begins the single task process on transfer server, and this single task process comprises the configuration to each instrument script.
Wherein, need the instrument script of configuration to comprise fetchmail, muttrc, procmail, msmtp.
Concrete, the configuration of Fetchmail comprises the time interval of configuration automatic acquisition mail, the file of log information is specified, the address of transfer server, the decoding process of mail.In the present embodiment, whole mails that transfer server gets can be saved in the file of an appointment automatically, in file A.
The configuration of Muttrc comprises the mode of forwarding by mail needs, specifies here and carries out the mail forward process with the Msmtp mode, and the interval time of mail etc. is resolved in the preservation position of the mail that gets.Namely resolve above-mentioned file A.
The configuration of Procmail comprises the filtration treatment of mail, log recording etc.
The configuration of Msmtp comprises the automatic forward process of mail etc.
(namely once only carry out the processing of a mail) after having started the single task process, namely begin the work of the automatic acquisition mail of fetchmail, and change the processing of mail over to.
In addition, using for the first time before transfer server carries out the forwarding of mail, also need to carry out according to the postbox installment instruction setting of transfer mailbox, inner mailbox and outside mailbox, generate the original mailboxes data.
Wherein, intranet mailbox refers to the mailbox that intra-company uses, and is based on the mailbox of company's internal network, and it is not connected with outer net; The outer net mailbox refers to the outside mailbox that uses of company, and it is based on the networking of public network.
Original mailboxes data in the present embodiment are that the user is the postbox installment of user add on PC, comprise each user email address, whether be inner mailbox, outside mailbox, due to the setting of supporting a plurality of transfer mailboxes,, whether also need to specify be the transfer mailbox.Because the encryption and decryption mode of using is PGP encryption and decryption mode, be encrypted with user's pgp PKI, be decrypted with user's pgp private key.
Wherein, the original mailboxes data comprise the sign of each mailbox, the binding relationship between each mailbox.
Concrete, carry out the setting of transfer mailbox, inner mailbox and outer net mailbox according to the postbox installment instruction, generate the original mailboxes data and comprise:
What inner mailbox was set is designated user name+intranet mailbox address+outer net email address;
What outside mailbox was set is designated user name+email address+outside pgp PKI;
What the transfer mailbox was set is designated user name+intranet mailbox address+outer net email address+transfer pgp private key;
Binding relationship between transfer mailbox and inner mailbox is set;
Binding relationship between transfer mailbox and outside mailbox is set.
Concrete, the binding relationship of transfer mailbox and inner mailbox can utilize index value to bind processing, comprising: (1), the inner mailbox of permission send to the transfer mailbox; (2), inner mailbox is forwarded to the mail CC of outside mailbox to this inside mailbox through the transfer mailbox; (3), the Outside Mail master of the outside mailbox transmission of transfer mailbox forwarding gives this inside mailbox.Above bindtype can be carried out one or more and bound, and concrete binding relationship is kept in the original mailboxes data with the form of index value.
Concrete, the binding relationship of transfer mailbox and outside mailbox can utilize index value to bind processing, comprising: (1), transfer mailbox will need the mail master who forwards to give this outside mailbox; (2), the transfer mailbox mail CC that will need to forward is to this outside mailbox.The same concrete binding relationship is kept in the original mailboxes data with the form of index value.
Wherein, the mail that receives of transfer mailbox all can be forwarded.
After the original mailboxes data generated, the script file that can start each instrument script that aforementioned arrangements generates carried out the obtaining of mail, forward process.
Concrete, after getting mail, can resolve this mail, and the result after resolving splits under respective directories.In the present embodiment, at first open the information of this mail, then take turns doing to judge according to analysis result: whether the sign that judges the mailbox that mail sender and addressee use can find in the original mailboxes data, if find, and execution in step S202.
In addition, as a preferred embodiment of the present invention, whether transfer server can also real-time judge newly increase mailbox or have mailbox deleted, if having, generates new mailbox data, and with the original mailboxes data as Backup Data.For example, deleted if any mailbox, transfer server can generate a deleted file directory automatically, and generates the empty file with the naming of deleted mailbox under the deleted catalogue.In the time of documentary under the deleted file directory being detected, just according to the mailbox data information such as key relevant to pgp corresponding to file name deletion mailbox.
Wherein, the key relevant to pgp is to exist in a special key file, undertaken selecting interpolation when mailbox data arranges by the user, if there is the relevant key of pgp need to upgrade loading, directly be issued under the key catalogue, by process automatic decision and loading, after completing, the content of automatic removing key file the inside is so that automatically upgrade next time.
In step S202, according to the sender of the described mail of analysis result judgement and the attribute of the mailbox that the addressee uses.
In the present embodiment, judge that according to the original mailboxes data mailbox that mail sender and addressee use is inner mailbox or outside mailbox, if the mailbox that the sender uses is that the mailbox that outside mailbox and addressee use is inner mailbox, execution in step S203; If the mailbox that the sender uses is that the mailbox that inner mailbox and addressee use is outside mailbox, execution in step S204; If the mailbox that the sender uses is that the mailbox that inner mailbox and addressee use is also inner mailbox, the transfer mailbox is not done any encryption and decryption processing to the mail of sender's transmission, and forwarding by mail direct according to the binding relationship that sets in advance given inner addressee's mailbox.
As a preferred embodiment of the present invention, judge also whether the sender sends mail to the authority of transfer mailbox, this authority can judge by binding relationship said according to the front.If judgement does not have authority, carry out the recording processing of journal file, and continue to obtain mail.
In step S203, if the mailbox that the sender uses is that the mailbox that outside mailbox and addressee use is inner mailbox, first use transfer pgp private key that described mail is decrypted, then forward the extremely corresponding addressee of described mail after deciphering and the people that makes a copy for according to the binding relationship that sets in advance.
In the present embodiment, when the mailbox that uses of judgement sender is that mailbox that outside mailbox and addressee use is when being inner mailbox, the pgp private key that reads the transfer mailbox carries out the mail decryption processing, the pgp private key here namely front is said by the transfer pgp private key in user configured transfer mailbox sign, and forwards the extremely corresponding addressee of described mail after deciphering and the people that makes a copy for.
In step S204, if the mailbox that the sender uses is that the mailbox that inner mailbox and addressee use is outside mailbox, first use outside pgp PKI that described mail is encrypted, then forward the extremely corresponding addressee of described mail after encrypting and the people that makes a copy for according to the binding relationship that sets in advance.
In the present embodiment, when the mailbox that uses of judgement sender is that mailbox that inner mailbox and addressee use is when being outside mailbox, the pgp PKI that reads the transfer mailbox carries out email encryption to be processed, the pgp PKI here is namely by the outside pgp PKI in user configured outside mailbox sign, the more described mail after the forwarding encryption is to corresponding addressee and the people that makes a copy for.
In addition, a preferred embodiment as the embodiment of the present invention, if the mailbox that the sender uses is mailbox that inner mailbox and addressee use when also being inner mailbox, directly forward described mail to inner addressee's mailbox according to the binding relationship that sets in advance.
The present embodiment is resolved the mail that obtains by transfer server, and after according to analysis result, described mail being encrypted or deciphering, forwarding by mail automatic according to the binding relationship that sets in advance is to corresponding outside mailbox or inner mailbox.When in-company engineer sends mail to external company or receives the mail of external company's transmission, do not need oneself to be encrypted and decryption processing, automatically completed encryption and decryption and the automatic forwarding capability of mail by transfer server, improved the transmitting-receiving efficient of mail.In addition, when personnel changed, the transmitting-receiving rights management of mail and distribution were very easy, are convenient to unified management, and maintenance cost is low.
One of ordinary skill in the art will appreciate that all or part of step that realizes in the various embodiments described above method is to come the relevant hardware of instruction to complete by program, corresponding program can be stored in a computer read/write memory medium, described storage medium is as ROM/RAM, disk or CD etc.
Embodiment two
Fig. 3 shows the concrete structure block diagram of the transfer server that further embodiment of this invention provides, and for convenience of explanation, only shows the part relevant to the embodiment of the present invention.This transfer server can form a mail transferring system together with intra-company's mailbox server, can be forwarded to external company after the email encryption with in-company engineer's transmission by this mail transferring system, be forwarded to in-company mailbox after also the mail that external company sends can being decrypted.In the present embodiment, this transfer server 3 comprises: mail resolution unit 31, mailbox determined property unit 32, the first mail retransmission unit 33 and the second mail retransmission unit 34.
Wherein, mail resolution unit 31 is used for obtaining mail, and resolves described mail;
Mailbox determined property unit 32 is used for according to the sender of the described mail of analysis result judgement and the attribute of the mailbox that the addressee uses;
The first mail retransmission unit 33, if the mailbox that uses for the sender is that the mailbox that outside mailbox and addressee use is inner mailbox, first use transfer pgp private key that described mail is decrypted, then forward the extremely corresponding addressee of described mail after deciphering and the people that makes a copy for according to the binding relationship that sets in advance;
The second mail retransmission unit 34, if the mailbox that uses for the sender is that the mailbox that inner mailbox and addressee use is outside mailbox, first use outside pgp PKI that described mail is encrypted, then forward the extremely corresponding addressee of described mail after encrypting and the people that makes a copy for according to the binding relationship that sets in advance.
Further, described transfer server 3 also comprises:
Script file generation unit 35 is used for carrying out the configuration of each instrument script according to configuration-direct, generates the script file of each instrument script.
Further, described transfer server 3 also comprises:
Original mailboxes data generating unit 36 is used for carrying out the setting of transfer mailbox, inner mailbox and outside mailbox according to the postbox installment instruction, generates the original mailboxes data.
Concrete, described original mailboxes data generating unit 36 comprises:
Inner mailbox sign arranges module, comprises user name, inner email address and outside email address for the sign that inner mailbox is set;
Outside mailbox sign arranges module, comprises user name, outside email address and outside pgp PKI for the sign that outside mailbox is set;
Transfer mailbox sign arranges module, comprises user name, inner email address, outside email address and transfer pgp private key for the sign that the transfer mailbox is set;
The first binding module is used for arranging the binding relationship between transfer mailbox and inner mailbox;
The second binding module is used for arranging the binding relationship between transfer mailbox and outside mailbox.
Further, described transfer server 3 also comprises:
The mailbox data unit is used for having judged whether to newly increase mailbox or having had mailbox deleted, if having, generates new mailbox data, and with described original mailboxes data as Backup Data.
The startup transfer server that the embodiment of the present invention provides can be applied in embodiment corresponding to aforementioned method shown in Figure 2, does not repeat them here.
It should be noted that in said system embodiment, included unit is just divided according to function logic, but is not limited to above-mentioned division, as long as can realize corresponding function; In addition, the concrete title of each functional unit also just for the ease of mutual differentiation, is not limited to protection scope of the present invention.
The above is only preferred embodiment of the present invention, not in order to limiting the present invention, all any modifications of doing within the spirit and principles in the present invention, is equal to and replaces and improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. the method for a forwarding by mail, is characterized in that, described method comprises:
Transfer server obtains mail, and resolves described mail;
According to the sender of the described mail of analysis result judgement and the attribute of the mailbox that the addressee uses;
If the mailbox that the sender uses is that the mailbox that outside mailbox and addressee use is inner mailbox, first use transfer pgp private key that described mail is decrypted, then forward the extremely corresponding addressee of described mail after deciphering and the people that makes a copy for according to the binding relationship that sets in advance;
If the mailbox that the sender uses is mailbox that inner mailbox and addressee use when being outside mailbox, first use outside pgp PKI that described mail is encrypted, then forward the extremely corresponding addressee of described mail after encrypting and the people that makes a copy for according to the binding relationship that sets in advance.
2. the method for claim 1, is characterized in that, obtains mail at described transfer server, and before resolving described mail, also comprise:
Transfer server carries out the configuration of each instrument script according to configuration-direct, generate the script file of each instrument script.
3. the method for claim 1, is characterized in that, obtains mail at described transfer server, and before resolving described mail, also comprise:
Transfer server carries out the setting of transfer mailbox, inner mailbox and outside mailbox according to the postbox installment instruction, generate the original mailboxes data.
4. method as claimed in claim 3, is characterized in that, described transfer server carries out the setting of transfer mailbox, inner mailbox and outside mailbox according to the postbox installment instruction, generates the original mailboxes data and specifically comprise:
The sign that inner mailbox is set comprises user name, inner email address and outside email address;
The sign that outside mailbox is set comprises user name, outside email address and outside pgp PKI;
The sign that the transfer mailbox is set comprises user name, inner email address, outside email address and transfer pgp private key;
Binding relationship between transfer mailbox and inner mailbox is set;
Binding relationship between transfer mailbox and outside mailbox is set.
5. method as claimed in claim 3, is characterized in that, carries out the setting of transfer mailbox, inner mailbox and outer net mailbox according to the postbox installment instruction at described transfer server, after generating the original mailboxes data, also comprises:
Judged whether to newly increase mailbox or had mailbox deleted, if having, having generated new mailbox data, and with described original mailboxes data as Backup Data.
6. a transfer server, is characterized in that, described transfer server comprises:
The mail resolution unit is used for obtaining mail, and resolves described mail;
Mailbox determined property unit is used for according to the sender of the described mail of analysis result judgement and the attribute of the mailbox that the addressee uses;
The first mail retransmission unit, if the mailbox that uses for the sender is that the mailbox that outside mailbox and addressee use is inner mailbox, first use transfer pgp private key that described mail is decrypted, then forward the extremely corresponding addressee of described mail after deciphering and the people that makes a copy for according to the binding relationship that sets in advance;
The second mail retransmission unit, if when being used for mailbox that the sender uses and being mailbox that inner mailbox and addressee use and being outside mailbox, first use outside pgp PKI that described mail is encrypted, then forward the extremely corresponding addressee of described mail after encrypting and the people that makes a copy for according to the binding relationship that sets in advance.
7. transfer server as claimed in claim 6, is characterized in that, described transfer server also comprises:
The script file generation unit is used for carrying out the configuration of each instrument script according to configuration-direct, generates the script file of each instrument script.
8. transfer server as claimed in claim 6, is characterized in that, described transfer server also comprises:
The original mailboxes data generating unit is used for carrying out the setting of transfer mailbox, inner mailbox and outside mailbox according to the postbox installment instruction, generates the original mailboxes data.
9. transfer server as claimed in claim 8, is characterized in that, described original mailboxes data generating unit comprises:
Inner mailbox sign arranges module, comprises user name, inner email address and outside email address for the sign that inner mailbox is set;
Outside mailbox sign arranges module, comprises user name, outside email address and outside pgp PKI for the sign that outside mailbox is set;
Transfer mailbox sign arranges module, comprises user name, inner email address, outside email address and transfer pgp private key for the sign that the transfer mailbox is set;
The first binding module is used for arranging the binding relationship between transfer mailbox and inner mailbox;
The second binding module is used for arranging the binding relationship between transfer mailbox and outside mailbox.
10. transfer server as claimed in claim 8, is characterized in that, described transfer server also comprises:
The mailbox data updating block is used for having judged whether to newly increase mailbox or having had mailbox deleted, if having, generates new mailbox data, and with described original mailboxes data as Backup Data.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100522543A CN103124231A (en) | 2013-02-18 | 2013-02-18 | Method for forwarding mail and transit server |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013100522543A CN103124231A (en) | 2013-02-18 | 2013-02-18 | Method for forwarding mail and transit server |
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| CN103124231A true CN103124231A (en) | 2013-05-29 |
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| CN2013100522543A Pending CN103124231A (en) | 2013-02-18 | 2013-02-18 | Method for forwarding mail and transit server |
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| CN115604216B (en) * | 2022-09-30 | 2024-06-14 | 北京仁科互动网络技术有限公司 | Service mail processing method and device based on SaaS mode |
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