CN108462628A - A kind of method for quickly identifying and system of multilingual mailing system - Google Patents
A kind of method for quickly identifying and system of multilingual mailing system Download PDFInfo
- Publication number
- CN108462628A CN108462628A CN201711480399.8A CN201711480399A CN108462628A CN 108462628 A CN108462628 A CN 108462628A CN 201711480399 A CN201711480399 A CN 201711480399A CN 108462628 A CN108462628 A CN 108462628A
- Authority
- CN
- China
- Prior art keywords
- multilingual
- addressee
- domain
- smtputf8
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L51/00—User-to-user messaging in packet-switching networks, transmitted according to store-and-forward or real-time protocols, e.g. e-mail
- H04L51/42—Mailbox-related aspects, e.g. synchronisation of mailboxes
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/25—Integrating or interfacing systems involving database management systems
- G06F16/252—Integrating or interfacing systems involving database management systems between a Database Management System and a front-end application
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q10/00—Administration; Management
- G06Q10/10—Office automation; Time management
- G06Q10/107—Computer-aided management of electronic mailing [e-mailing]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L61/00—Network arrangements, protocols or services for addressing or naming
- H04L61/45—Network directories; Name-to-address mapping
- H04L61/4555—Directories for electronic mail or instant messaging
Abstract
The step of present invention provides a kind of method for quickly identifying and system of multilingual mailing system, this method include：The mail domain that addressee is inquired from multilingual mail database sends multilingual mail if the mail domain of the addressee supports multilingual mail technique standard, otherwise sends mail using the ASCII email addresses substituted；If not finding the mail domain of the addressee, recorded by the TXT of the mailbox system domain name of addressee described in DNS query；If the TXT records can be found, identifies the keyword of the parts RDATA of TXT records, mail is otherwise sent using the ASCII email addresses substituted；If " SMTPUTF8 EAI Ready SMTPUTF8 " keyword is contained in the parts RDATA, illustrates that the mailbox system of the addressee supports multilingual mail technique standard, confirm SMTPUTF8 functions and send multilingual mail；If " SMTPUTF8 EAI Not SMTPUTF8 " keyword is contained in the parts RDATA, illustrate that the mailbox system of the addressee does not support multilingual mail technique standard, mail is sent using the ASCII email addresses of replacement.
Description
Technical field
The present invention relates to computer communication fields, and in particular to a kind of method for quickly identifying of multilingual mailing system and is
System.
Background technology
Multilingual mail refers to using the Email for the multilingual mailbox that internationalizes, and multilingual mailing system internationalizes more
Languages mailbox e-mail system.The multilingual mailbox that internationalizes also referred to as internationalization mail address, refers to containing in e-mail address
There is the e-mail address of the non-english characters such as Chinese, Japanese, such as " Qian Hualin Chinese Academy of Sciences China ".
The technology of the technical standard orders such as IETF RFC6531 and RFC6532 of publication in 2012 about multilingual mail
Standard.With the deployment of multilingual mailing system, the mailing system in internet certainly exists some and supports multilingual mail, has
It does not support a bit.Support multilingual mail technique standard system cannot containing internationalization mail address be sent to do not support be
System, the case where in order to avoid sending, the system for supporting multilingual mail technique standard can be linked by establishing TCP,
SMTPUTF8 fields can be fed back, otherwise will not feed back the word to specific system if other side supports by first sending EHLO orders
Section.Multilingual mailing system can then use other path to send or use instead ASCII fromat if it find that other side does not support
Mailbox is sent.
Invention content
The object of the present invention is to provide a kind of method for quickly identifying and system of multilingual mailing system, to facilitate support more
The system of languages mail technique standard reduces unnecessary time waste, improves and send when sending out mail toward the system that do not support
Efficiency.
In order to achieve the above object, the technical solution adopted by the present invention is：
A kind of method for quickly identifying of multilingual mailing system, step include：
The mail domain of addressee is inquired from multilingual mail database, if the mail domain support of the addressee is multi-lingual
Kind mail technique standard, then send multilingual mail, otherwise sends mail using the ASCII email addresses substituted；
If not finding the mail domain of the addressee, pass through the mailbox system domain name of addressee described in DNS query
TXT is recorded；
If the TXT records can be found, the keyword of the parts RDATA of TXT records is identified, otherwise using replacement
ASCII email addresses send mail；
If " SMTPUTF8-EAI-Ready-SMTPUTF8 " keyword is contained in the parts RDATA, illustrate the receipts
The mailbox system of part people supports multilingual mail technique standard, confirms SMTPUTF8 functions and sends multilingual mail；
If " SMTPUTF8-EAI-Not-SMTPUTF8 " keyword is contained in the parts RDATA, illustrate the addressee
The mailbox system of people does not support multilingual mail technique standard, and mail is sent using the ASCII email addresses of replacement.
Further, the SMTPUTF8 functions are confirmed by EHLO inquiries.
Further, after sending multilingual mail or sending mail using the ASCII email addresses substituted, update is multilingual
The EAI-ready lists of mail database, confirm whether each mail domain supports multilingual mail technique standard.
Further, the data structure of the multilingual mail database includes：
Mail domain is the domain name corresponding to mail；
Identifier supports multilingual mail technique standard, support to be indicated with yes, does not support to use no tables for indicating whether
Show；
Life cycle, the term of validity for indicating record can be updated and delete expired record.
A kind of system for rapidly identifying of multilingual mailing system, including outbox server, the outbox server are responsible for transmission
Multilingual mail sends mail using the ASCII email addresses substituted；The outbox server includes：
Multilingual E-mail inquiries device is responsible for the TXT records by the mailbox system domain name of DNS query addressee；
Multilingual mail analyzer, be responsible for analysis TXT records or by EHLO inquire addressee mail domain whether
Support multilingual mail technique standard；
Multilingual mail renovator is responsible for collecting the information whether used mailbox system domain name supports multilingual mail,
And it is updated to multilingual mail database；Whether the mailbox system domain name that the multilingual mail database stores addressee is supported
The information of multilingual mail.
The present invention compensates for the deficiency of multilingual mailing system transit mechanism, when addressee server does not support multilingual mail
When technical standard, can quickly it switch over.Mail is sent particularly with a large amount of, can substantially save original mechanism
In multilingual mail recognition time.
When multilingual mail analyzer identifies that mail domain does not support multilingual mail, outbox service can be notified at once
Device is sent using ASCII email addresses, is saved and is established TCP companies between outbox server and the server of mail domain meaning
Connect time and EHLO talk times.The settling time of usually long-range TCP is no less than 3 seconds, if outbox server needs to send
1000 parts need the mail for being downgraded to ASCII email addresses that can save about 3*1000 seconds=3000 seconds=50 minutes.It is two big
Between type mail server, tens of thousands of envelope mails are usually exchanged daily, use this method that can save more than ten for server daily
A hour.
Description of the drawings
Fig. 1 is the RDATA partial data structure figures of TXT records.
Fig. 2 is the data structure diagram of multilingual mail database.
Fig. 3 is a kind of system for rapidly identifying structure chart of multilingual mailing system.
Fig. 4 is a kind of method for quickly identifying flow chart of multilingual mailing system.
Specific implementation mode
Features described above and advantage to enable the present invention are clearer and more comprehensible, special embodiment below, and institute's attached drawing is coordinated to make
Detailed description are as follows.
The present invention carries out special design to the parts RDATA of the TXT of DNS records first, as shown in Figure 1 comprising：
Prefix (Prefix)：Field recommended value is " SMTPUTF8-"；
Multilingual mail is ready (EAI-Ready)：Indicate that the mail domain representated by the domain owner of TXT records is supported
Multilingual mail technique standard, recommended value are also " EAI-ready "；
Alternatively, multilingual mail is not ready (EAI-Not)：Indicate the mail representated by the domain owner of TXT records
Do not support that multilingual mail technique standard, recommended value are also " EAI-not " in domain；
Suffix (Suffix)：Field recommended value is "-SMTPUTF8 ".
The present invention use to multilingual mail database data structure as shown in Fig. 2, including：
Mail domain：Indicate the domain name corresponding to mail；
Identifier：It indicates whether to support multilingual mail technique standard, support is indicated with yes, does not support to be indicated with no；
Life cycle：The term of validity for indicating record, is deleted if expired by system, life cycle can also carry out constantly
Update.
The present invention provides a kind of system for rapidly identifying of multilingual mailing system, as shown in figure 3, including：
Outbox server：For sending multilingual mail or sending mail using the ASCII email addresses substituted；
Multilingual E-mail inquiries device：It is responsible for the TXT records by the mailbox system domain name of DNS query addressee；
Multilingual mail analyzer：Be responsible for analysis TXT record or by EHLO orders confirmation addressee mail domain whether
Support multilingual mail；
Multilingual mail renovator：It is responsible for collecting the information whether used mailbox system domain name supports multilingual mail,
And the information update to multilingual mail database；The multilingual mail database stores the mailbox system domain name of addressee
Whether multilingual mail is supported.
Our department's invention provides a kind of method for quickly identifying of multilingual mailing system, as shown in figure 4, its step includes：
1, whether outbox server finds the mail domain of certain addressee from multilingual mail database first, if so, then
Turn to step 2；If not, whether the mail domain supports multilingual mail technique standard, if identifier is no (i.e. no), turn
To step 5；If identifier is yes (being), step 7 is turned to；
2, DNS query is carried out using multilingual E-mail inquiries device, the mailbox system domain name of the addressee can be found
TXT is recorded, if it is not, turning to step 5, otherwise turns to step 3；
If 3, multilingual mail analyzer identifies that " SMTPUTF8-EAI- is contained in the parts RDATA of the TXT records
Ready-SMTPUTF8 " keywords then illustrate that the mailbox system of the addressee supports multilingual mail technique standard, turn to step
Rapid 4；If RDATA contains " SMTPUTF8-EAI-Not-SMTPUTF8 " keyword in part, illustrate the mailbox of the addressee
System does not support multilingual mail technique standard, turns to step 5；
4, multilingual mail analyzer carries out the EHLO inquiries of standard, SMTPUTF8 function confirmations is carried out, by outbox service
Device sends multilingual mailbox Email, and turns to step 6；
5, multilingual mail analyzer notice outbox server sends mail using the ASCII email addresses substituted, turns to
Step 6；
6, after sending mail, multilingual mail renovator carries out EAI-ready lists more in multilingual mail database
Newly, each mail domain is updated and is confirmed whether that multilingual email standard, flow is supported to terminate.
7, outbox server sends multilingual mail, and flow terminates.
5 groups of embodiments presented below：
Embodiment 1
The method for quickly identifying of the present embodiment sends out postal for " 1 internets@of name China " past " abc1@example.cn "
Part is as follows：
1, outbox server " internet China " inquires multilingual mail database first, does not inquire the postal of addressee
The information in part domain " example.cn "；
2, the outbox server " internet China " carries out DNS query using multilingual E-mail inquiries device, obtains addressee
The TXT of the domain name " example.cn " of the mailbox system of people is recorded；
3, the TXT records are found, identify that the parts RDATA of the TXT records are contained by multilingual mail analyzer
" SMTPUTF8-EAI-Ready-SMTPUTF8 " keyword illustrates that the mailbox system of the addressee supports multilingual mail skill
Art standard；
4, the outbox server " internet China " carries out the EHLO inquiries of standard, confirms SMTPUTF8 functions, sends
Multilingual mail；
5, after sending mail, multilingual mail renovator carries out EAI-ready lists more in multilingual mail database
Newly, each mail domain is updated and is confirmed whether to support multilingual email standard, at this time in the multilingual mail
Lane database increases record, and flow terminates.
Embodiment 2
The method for quickly identifying of the present embodiment sends out postal for " 2 internets@of name China " past " abc2@example.cn "
Part is as follows：
1, outbox server " internet China " inquires multilingual mail database first, finds the mail domain of addressee
" example.cn ", identifier are no, illustrate not support multilingual mail technique standard；
2, multilingual mail analyzer notice outbox server " internet China " is using the ASCII email addresses substituted
" user2@exampletest.cn " is sent；
3, after sending mail, multilingual mail renovator carries out EAI-ready lists more in multilingual mail database
Newly, each mail domain is updated and is confirmed whether to support multilingual mail technique standard, at this time in multilingual mail data
Ku Li records remain unchanged, and flow terminates.(after 7 days, this record in multilingual mail database will be automatically deleted)
Embodiment 3
The method for quickly identifying of the present embodiment sends out postal for " 3 internets@of name China " past " abc3@example.cn "
Part is as follows：
1, outbox server " internet China " inquires multilingual mail database first, retrieves the mail of addressee
The identifier that domain " example.cn " returns is yes, illustrates to support multilingual mail technique standard；
2, outbox server sends multilingual mail, and flow terminates.
Embodiment 4
The method for quickly identifying of the present embodiment sends out postal for " 4 internets@of name China " past " abc4@example.cn "
Part is as follows：
1, outbox server " internet China " inquires multilingual mail database first, does not inquire the postal of addressee
The information in part domain " example.cn "；
2, the outbox server " internet China " carries out DNS query using multilingual E-mail inquiries device, does not find receipts
The related TXT of the mailbox system domain name " example.cn " of part people is recorded；
3, multilingual mail analyzer notice outbox server " internet China " is using the ASCII email addresses substituted
User4@exampletest.cn are sent；
4, after sending mail, multilingual mail renovator carries out EAI-ready lists more in multilingual mail database
Newly, being updated to each mail domain is confirmed whether to support multilingual mail technique standard, flow to terminate.
Embodiment 5
The method for quickly identifying of the present embodiment sends out postal for " 5 internets@of name China " past " abc5@example.cn "
Part is as follows：
1, outbox server " internet China " inquires multilingual mail database first, does not inquire the postal of addressee
The information in part domain " example.cn "；
2, the outbox server " internet China " carries out DNS query using multilingual E-mail inquiries device, finds addressee
The TXT of the mailbox system domain name " example.cn " of people is recorded；
3, multilingual mail analyzer identifies that " SMTPUTF8-EAI-Not- is contained in the parts RDATA of the TXT records
SMTPUTF8 " keywords illustrate that the mailbox system of the addressee does not support multilingual mail technique standard；
4, multilingual mail analyzer notice outbox server " internet China " is using the ASCII email addresses substituted
User5@exampletest.cn are sent；
5, after sending mail, multilingual mail renovator carries out EAI-ready lists more in multilingual mail database
Newly, being updated to each mail domain is confirmed whether to support multilingual mail technique standard, flow to terminate.
The method of the present invention is learnt with the prior art by experiment, the settling time of usually long-range TCP is no less than 3 seconds, sends out
Send 1000 parts, outbox server need the mail for being downgraded to ASCII email addresses can save about 3*1000 seconds=3000 seconds=
50 minutes.It follows that between two large-scale mail server, tens of thousands of envelope mails are usually exchanged daily, it is every using this method
It can be that server is saved more than ten hour.
The above embodiments are merely illustrative of the technical solutions of the present invention rather than is limited, the ordinary skill of this field
Personnel can be modified or replaced equivalently technical scheme of the present invention, without departing from the spirit and scope of the present invention, this
The protection domain of invention should be subject to described in claims.
Claims (5)
1. a kind of method for quickly identifying of multilingual mailing system, step include：
The mail domain of addressee is inquired from multilingual mail database, if the mail domain of the addressee supports multilingual postal
Part technical standard then sends multilingual mail, otherwise sends mail using the ASCII email addresses substituted；
If not finding the mail domain of the addressee, remembered by the TXT of the mailbox system domain name of addressee described in DNS query
Record；
If the TXT records can be found, the keyword of the parts RDATA of TXT records is identified, otherwise using replacement
ASCII email addresses send mail；
If " SMTPUTF8-EAI-Ready-SMTPUTF8 " keyword is contained in the parts RDATA, illustrate the addressee
Mailbox system support multilingual mail technique standard, confirm that SMTPUTF8 functions simultaneously send multilingual mail；
If " SMTPUTF8-EAI-Not-SMTPUTF8 " keyword is contained in the parts RDATA, illustrate the addressee's
Mailbox system does not support multilingual mail technique standard, and mail is sent using the ASCII email addresses of replacement.
2. according to the method described in claim 1, it is characterized in that, confirming the SMTPUTF8 functions by EHLO inquiries.
3. according to the method described in claim 1, it is characterized in that, sending multilingual mail or using the ASCII mailboxes substituted
After address sends mail, the EAI-ready lists of multilingual mail database are updated, it is multi-lingual to confirm whether each mail domain is supported
Kind mail technique standard.
4. according to the method described in claim 1, it is characterized in that, the data structure of the multilingual mail database includes：
Mail domain is the domain name corresponding to mail；
Identifier supports multilingual mail technique standard for indicating whether, support is indicated with yes, does not support to be indicated with no；
Life cycle, the term of validity for indicating record can be updated and delete expired record.
5. a kind of system for rapidly identifying of multilingual mailing system, including outbox server, which is responsible for sending more
Languages mail sends mail using the ASCII email addresses substituted；The outbox server includes：
Multilingual E-mail inquiries device is responsible for the TXT records by the mailbox system domain name of DNS query addressee；
Whether multilingual mail analyzer is responsible for the analysis TXT records or is supported by the mail domain of EHLO inquiry addressees
Multilingual mail technique standard；
Multilingual mail renovator is responsible for collecting the information whether used mailbox system domain name supports multilingual mail, and more
It is new to multilingual mail database, the multilingual mail database store addressee mailbox system domain name whether support it is multi-lingual
The information of kind mail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711480399.8A CN108462628B (en) | 2017-12-29 | 2017-12-29 | Rapid identification method and system for multi-language mail system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711480399.8A CN108462628B (en) | 2017-12-29 | 2017-12-29 | Rapid identification method and system for multi-language mail system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108462628A true CN108462628A (en) | 2018-08-28 |
| CN108462628B CN108462628B (en) | 2021-05-18 |
Family
ID=63220502
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711480399.8A Active CN108462628B (en) | 2017-12-29 | 2017-12-29 | Rapid identification method and system for multi-language mail system |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1346469A (en) * | 1998-10-09 | 2002-04-24 | 爱捷特系统有限公司 | Method and system for interrogating the internet |
| CN102882767A (en) * | 2012-09-07 | 2013-01-16 | 盈世信息科技(北京)有限公司 | Mail sending method and mail sending platform |
| CN102882766A (en) * | 2012-09-07 | 2013-01-16 | 盈世信息科技(北京)有限公司 | Electronic mail delivery method and mail system |
| CN103581000A (en) * | 2013-11-25 | 2014-02-12 | 中国科学院计算机网络信息中心 | Method for sending and receiving electronic mail of international multilingual mail box |
-
2017
- 2017-12-29 CN CN201711480399.8A patent/CN108462628B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1346469A (en) * | 1998-10-09 | 2002-04-24 | 爱捷特系统有限公司 | Method and system for interrogating the internet |
| CN102882767A (en) * | 2012-09-07 | 2013-01-16 | 盈世信息科技(北京)有限公司 | Mail sending method and mail sending platform |
| CN102882766A (en) * | 2012-09-07 | 2013-01-16 | 盈世信息科技(北京)有限公司 | Electronic mail delivery method and mail system |
| CN103581000A (en) * | 2013-11-25 | 2014-02-12 | 中国科学院计算机网络信息中心 | Method for sending and receiving electronic mail of international multilingual mail box |
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|---|---|
| CN108462628B (en) | 2021-05-18 |
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