CN101383784A - Cross-region remote mail sending method and system - Google Patents
Cross-region remote mail sending method and system Download PDFInfo
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- CN101383784A CN101383784A CNA200810216427XA CN200810216427A CN101383784A CN 101383784 A CN101383784 A CN 101383784A CN A200810216427X A CNA200810216427X A CN A200810216427XA CN 200810216427 A CN200810216427 A CN 200810216427A CN 101383784 A CN101383784 A CN 101383784A
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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
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Abstract
The invention is applicable to network communication field, and provides a method and a system for sending cross-domain long-distance emails. The method comprises the following steps: receiving emails sent to external domains from the local domain by the user; and transferring the emails to external domains from the local domain through an internal network. In the embodiment of the invention, since the internal network is adopted for transmitting cross-domain long-distance emails, the transmission speed of the emails can be greatly improved, and the transmission stability of the emails is ensured.
Description
Technical field
The invention belongs to network communication field, relate in particular to a kind of sending method and system of cross-region remote mail.
Background technology
The agreement that mail transfer is used as Simple Mail Transfer protocol (Simple Mail TransferProtocol, SMTP).Smtp protocol is the storage retransmission protocol, allows mail to send to the final destination by a series of servers.Server is stored the mail that arrives in a formation, wait to be sent to next destination, and next destination can be the local user, or long-range mail server.
When sending cross-region remote mail, the user is by mail user agent (Mail User Agent, MUA), for example pass through browser, the outlook of Windows, foxmail etc., with modes such as Webmail, smtp, Esmtp with mail be sent to the SMTP borde gateway (Border Gateways, BG).SMTP BG provides the smtp protocol of standard to send mail, and (MailTransfer Agent, the MTA) mail of Laiing sends to the foreign lands mail server by public network to accept other Mail Transfer Agents from this mailing system.(Mail Exchanger MX) is sent to SMTP BG, is sent to other foreign lands mail servers by SMTP BG by public network also can to pass through mail exchange server from the user mail of foreign lands mail server.
When the user sends cross-domain (this territory is to foreign lands) remote mail, for example domesticly send to external mail, owing to adopt common public network, public network Internet resources deficiency makes that to send out the speed that mail sends very slow.Simultaneously, the public network unstable networks causes mail often to send and interrupts, and causes the user discontented.
Summary of the invention
The purpose of the embodiment of the invention is to provide a kind of sending method of cross-region remote mail, is intended to solve have now when sending cross-region remote mail, adopts common public network transmission, causes the slow problem of mail transmission speed.
The embodiment of the invention is achieved in that a kind of sending method of cross-region remote mail, and described method comprises the steps:
Receive the user is delivered to foreign lands from this territory mail;
By internal network described mail is forwarded to foreign lands by this territory.
Another purpose of the embodiment of the invention is to provide a kind of transmitting system of cross-region remote mail, and described system comprises:
Be arranged at the Relay Server in this territory, be used to receive the user is delivered to foreign lands from this territory mail, described mail is sent to foreign lands; And
Be arranged at the forwarding server of foreign lands, be connected with described Relay Server, be used to receive described Relay Server is delivered to foreign lands through this territory that internal network sends mail, described mail is forwarded to the foreign lands mail server by internal network.
In embodiments of the present invention, owing to adopt internal network transmission cross-region remote mail, can improve the transmission speed of mail greatly, the stability of certified mail transmission.
Description of drawings
Fig. 1 is the network structure of the cross-region remote mail transmission system that provides of prior art;
Fig. 2 is the realization flow figure of the cross-region remote mail sending method that provides of the embodiment of the invention;
Fig. 3 is the network architecture diagram of the cross-region remote mail transmitting system that provides of the embodiment of the invention;
Fig. 4 is the structure chart of the Relay Server that provides of the embodiment of the invention;
Fig. 5 is the structure chart of the forwarding server that provides of the embodiment of the invention.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
In embodiments of the present invention, long-range cross-domain mail is transferred to foreign lands from this territory, can guarantee to transmit the stability of mail transmission, improve the transmission speed of long-range cross-domain mail greatly, reduce the generation that mail transmission is interrupted by internal network.
Internal network in the embodiment of the invention is a kind of local area network (LAN), and its erection method and local area network (LAN) are basic identical, and this territory, can guarantee than mail transmission speed faster generally by private line access to foreign lands, and the stability of mail transmission.
Fig. 2 shows the realization flow of the cross-region remote mail sending method that the embodiment of the invention provides, and details are as follows:
In step S201, receive the user is delivered to foreign lands from this territory mail;
In step S202, mail is forwarded to foreign lands by this territory by internal network.
As one embodiment of the present of invention, interrupt harmful effect for fear of mail transmission to the user, the mail that occurs interrupting in transmission course is taked the mode of breakpoint transmission, the integrality of certified mail transmission.This territory is when mail transmission is interrupted, and the transmission mail continues the biography request to foreign lands, and foreign lands obtain the interruptions information of mail transmission according to the mail byte that has received, notifies this territory from where continuing biography, and this territory continues the mail that passes the transmission interruption from the interruptions of mail to foreign lands.
In embodiments of the present invention, when foreign lands mail delivery was failed, this territory received the mail that internal network is return, and can adopt common mode then, resends the mail of returning to foreign lands by public network.
Fig. 3 shows the network architecture of the cross-region remote mail transmitting system that the embodiment of the invention provides, and for convenience of explanation, only shows the part relevant with the embodiment of the invention.
The Relay Server 31 that is arranged at this territory is connected with the forwarding server 33 that is arranged at foreign lands by internal network 32.
This territory BG receives the mail that Relay Server 31 is return, and sends mail by public network to foreign lands BG 34 by common mode.
Foreign lands BG 34 receives the mail that forwarding servers 33 send over, and is delivered to the foreign lands mail server of foreign lands mail operator, if delivers successfully then end.As one embodiment of the present of invention, if deliver failure, 34 of foreign lands BG return mail to this territory MX 35, and foreign lands BG 34 will specify an IP address through the configuration of Relay Servers 31 when returning mail, and this IP address is the IP address of this territory MX 35.Simultaneously, this territory MX35 is configured, disposes this territory MX 35 and allow the domain name suffix of the outbox territory of mail, the special mail of returning that receives from foreign lands BG 34 for this territory by Relay Server 31.
Fig. 4 shows the structure of the Relay Server that the embodiment of the invention provides, and for convenience of explanation, only shows the part relevant with the embodiment of the invention.
After this mail reception unit, territory 311 successfully receives these e-mail messages, these e-mail messages are saved as a file be stored in this territory mail queue 312, the filename overall situation of this document is unique, and is identical with forwarding server 33 filename that the back forms that gets the mail.
After this mail reception unit, territory 311 successfully receives mail, the filename of mail in this territory mail queue 312 put into shared drive 313.As one embodiment of the present of invention; shared drive 313 has the mutual exclusion lock protection; to guarantee the integrality of shared data operation; each object in the shared drive 313 is all corresponding to a mark that can be described as ＂ mutual exclusion lock ＂; this mark is used for guaranteeing that at any one time this object of thread accesses can only be arranged.
As one embodiment of the present of invention, if this mail reception unit, territory 311 finds that shared drive 313 is full, then mail is sent to this territory BG, and from this territory mail queue 312 this mail is deleted, this territory BG is sent to foreign lands BG 34 by common mode via public network.
This mail delivery unit, territory 314 scans this territory mail queue 312 when starting, and the filename of all mails in this territory mail queue 312 is put into shared drive 313, for follow-up delivery.During delivery, the filename of the mail that will deliver is taken out in these mail delivery unit, territory 314 circulations from shared drive 313, obtains the relevant information of this mail from this territory mail queue 312, and for example sender, addressee, MIME etc. are delivered to forwarding server 33.
If deliver successfully, this mail is deleted in this mail delivery unit, territory 314 from this territory mail queue 312.As one embodiment of the present of invention, if repeatedly deliver failure, then this mail delivery unit, territory 314 sends to this territory BG with this mail, and from this territory mail queue 312 this mail is deleted, and BG is sent to foreign lands BG 34 by common mode via public network by this territory.
Interrupt causing the mail transmission failure for fear of transmission, as one embodiment of the present of invention, interrupt if in the mail transmission process, occur, mail is continuous to be passed request module 3141 and sends to forwarding server 33 that mails are continuous to pass request, obtains the interruptions information that mail is interrupted in transmission that forwarding server 33 returns.The interruptions information that the continuous transmission module 3142 of mail obtains according to the continuous biography of mail request module 3141, the mail that begins to continue the transmission interruption from the interruptions of mail to forwarding server 33.
Fig. 5 shows the structure of the forwarding server that the embodiment of the invention provides, and for convenience of explanation, only shows the part relevant with the embodiment of the invention.
After the mail of Relay Server 31 transmissions is received in mail reception unit, foreign lands 331, obtain sender, addressee, the MIME of mail, the e-mail messages such as byte of mail, these e-mail messages are saved as a file be stored in foreign lands mail queue 332, the filename of this document is identical with the filename of formation in the Relay Server 31, guarantees that the filename overall situation is unique.
Mail delivery unit, foreign lands 333 resolves to the form that foreign lands BG 34 can accept with the mail in the foreign lands mail queue 332, is transmitted to foreign lands BG 34, sends to the foreign lands mail server of foreign lands mail operator by foreign lands BG 34.
As one embodiment of the present of invention, if interrupting appears in transmission course in mail, this mail delivery unit 314, territory of Relay Server 31 sends the continuous biography request of mail to the continuous locating module 3311 that passes of mail, the continuous biography of mail locating module 3311 is learnt the filename of mail according to the breakpoint transmission agreement, from foreign lands mail queue 332, take out this mail, learn the byte that this mail has received, notify this mail delivery unit, territory 314 from where beginning the continuous mail that transmission is interrupted that passes.After continuous biography finished receiving, this mail was read in mail delivery unit, foreign lands 333 from foreign lands mail queue 332, obtain information such as sender, addressee, MIME, is transmitted to foreign lands BG 34, and it is deleted from foreign lands mail queue 332.
In the embodiment of the invention,, can improve the transmission speed of mail greatly, the stability of certified mail transmission owing to adopt internal network transmission cross-region remote mail.Simultaneously, can effectively improve utilization rate of network resource, avoid mail transmission to interrupt causing the mail transmission failure by breakpoint transmission.In addition, inner proprietary protocol can be adopted, network attack can be effectively prevented.
The above only is preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of being done within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1, a kind of sending method of cross-region remote mail is characterized in that, described method comprises the steps:
Receive the user is delivered to foreign lands from this territory mail;
By internal network described mail is forwarded to foreign lands by this territory.
2, the method for claim 1 is characterized in that, described method further comprises the steps:
When mail transmission is interrupted, send continuous biography of mail to foreign lands and ask, obtain the interruptions information of the mail transmission of returning foreign lands;
According to the mail of the interruptions information of obtaining to the continuous transmission interruption in foreign lands.
3, method as claimed in claim 2 is characterized in that, described method further comprises the steps:
The continuous biography of mail that receives foreign lands asked, and according to the mail byte that has received, obtains the interruptions information of mail transmission, notifies this territory.
4, a kind of transmitting system of cross-region remote mail is characterized in that, described system comprises:
Be arranged at the Relay Server in this territory, be used to receive the user is delivered to foreign lands from this territory mail, described mail is sent to foreign lands; And
Be arranged at the forwarding server of foreign lands, be connected with described Relay Server, be used to receive described Relay Server is delivered to foreign lands through this territory that internal network sends mail, described mail is forwarded to the foreign lands mail server by internal network.
5, system as claimed in claim 4 is characterized in that, described Relay Server comprises:
This mail reception unit, territory is used to receive the mail that this territory that the user sends is delivered to foreign lands, obtain the e-mail messages of preserving described mail, and the filename of described mail is preserved in configuration;
This territory mail queue is used to preserve the e-mail messages that this mail reception unit, territory obtains;
Shared drive is used to preserve the filename of mail; And
This mail delivery unit, territory is used for obtaining corresponding e-mail messages from the filename of described shared drive taking-up mail to be delivered according to described filename from described this territory mail queue, is delivered to described forwarding server.
6, system as claimed in claim 5 is characterized in that, described this mail delivery unit, territory comprises:
The continuous request module that passes of mail is used for when mail transmission is interrupted, and sends the continuous biography request of mail to described forwarding server, obtains the interruptions information of the mail transmission of returning foreign lands; And
Mail continues transmission module, is used for the interruptions information according to mail transmission, transmits the mail that interrupts from the interruptions of mail to continuous biography of described forwarding server.
7, system as claimed in claim 4 is characterized in that, described forwarding server comprises:
Mail reception unit, foreign lands, this territory that is used for the Relay Server transmission is delivered to the mail of foreign lands, obtains the information of preserving described mail;
Foreign lands mail queue is used to preserve the e-mail messages that mail reception unit, described foreign lands obtains; And
Mail delivery unit, foreign lands is used for the mail of described foreign lands mail queue is forwarded to the foreign lands mail server.
8, system as claimed in claim 7 is characterized in that, mail reception unit, described foreign lands comprises:
The continuous locating module that passes of mail is used to receive the continuous biography request of mail of described Relay Server, according to the mail byte that has received, obtains the interruptions information of mail transmission, notifies described Relay Server.
9, as the described system of the arbitrary claim of claim 4 to 7, it is characterized in that described system also comprises:
This territory mail exchange server is used to receive the mail that return foreign lands; And
The foreign lands borde gateway is used for returning mail according to the address of configuration to this territory mail exchange server of correspondence when the foreign lands mail server is delivered failure.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200810216427XA CN101383784A (en) | 2008-09-28 | 2008-09-28 | Cross-region remote mail sending method and system |
| PCT/CN2009/073530 WO2010037290A1 (en) | 2008-09-28 | 2009-08-26 | Method and system for transmitting cross-domain remote mail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200810216427XA CN101383784A (en) | 2008-09-28 | 2008-09-28 | Cross-region remote mail sending method and system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101383784A true CN101383784A (en) | 2009-03-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA200810216427XA Pending CN101383784A (en) | 2008-09-28 | 2008-09-28 | Cross-region remote mail sending method and system |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN101383784A (en) |
| WO (1) | WO2010037290A1 (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010037290A1 (en) * | 2008-09-28 | 2010-04-08 | 腾讯科技（深圳）有限公司 | Method and system for transmitting cross-domain remote mail |
| CN101951349A (en) * | 2010-10-09 | 2011-01-19 | 安和创新科技(北京)有限公司 | Agent mail gateway, system and method for supporting receiving and sending mails of multiple email boxes |
| CN102035872A (en) * | 2009-09-30 | 2011-04-27 | 国际商业机器公司 | Apparatus, system, and method for improved performance of real time applications in intermittent connection environments |
| CN102843309A (en) * | 2011-06-23 | 2012-12-26 | 二六三网络通信股份有限公司 | System, platform and method of mail processing |
| CN105847113A (en) * | 2016-03-15 | 2016-08-10 | 新浪网技术(中国)有限公司 | Enterprise mail overseas forwarding method and system |
| CN108075964A (en) * | 2017-09-28 | 2018-05-25 | 中船黄埔文冲船舶有限公司 | Mailing system dispositions method under a kind of environment of isomery domain |
| CN108989390A (en) * | 2018-06-19 | 2018-12-11 | 北京智明星通科技股份有限公司 | User requests retransmission method and device, Reverse Proxy and computer readable storage medium |
| CN110380949A (en) * | 2019-05-24 | 2019-10-25 | 平安普惠企业管理有限公司 | Intranet e-mail sending method, device, computer equipment and storage medium |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010032245A1 (en) * | 1999-12-22 | 2001-10-18 | Nicolas Fodor | Industrial capacity clustered mail server system and method |
| CN101163066B (en) * | 2006-12-19 | 2011-05-11 | 冲浪平台（北京）网络技术有限公司 | Distributed electronic mail system |
| CN101179532B (en) * | 2007-12-13 | 2011-06-22 | 腾讯科技（深圳）有限公司 | Mail server system and mail distributing method |
| CN101383784A (en) * | 2008-09-28 | 2009-03-11 | 腾讯科技（深圳）有限公司 | Cross-region remote mail sending method and system |
-
2008
- 2008-09-28 CN CNA200810216427XA patent/CN101383784A/en active Pending
-
2009
- 2009-08-26 WO PCT/CN2009/073530 patent/WO2010037290A1/en active Application Filing
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010037290A1 (en) * | 2008-09-28 | 2010-04-08 | 腾讯科技（深圳）有限公司 | Method and system for transmitting cross-domain remote mail |
| CN102035872A (en) * | 2009-09-30 | 2011-04-27 | 国际商业机器公司 | Apparatus, system, and method for improved performance of real time applications in intermittent connection environments |
| CN101951349A (en) * | 2010-10-09 | 2011-01-19 | 安和创新科技(北京)有限公司 | Agent mail gateway, system and method for supporting receiving and sending mails of multiple email boxes |
| CN101951349B (en) * | 2010-10-09 | 2012-07-04 | 汉柏科技有限公司 | Agent mail gateway, system and method for supporting receiving and sending mails of multiple email boxes |
| CN102843309A (en) * | 2011-06-23 | 2012-12-26 | 二六三网络通信股份有限公司 | System, platform and method of mail processing |
| CN102843309B (en) * | 2011-06-23 | 2015-11-18 | 二六三网络通信股份有限公司 | Post-processing system and method |
| CN105847113A (en) * | 2016-03-15 | 2016-08-10 | 新浪网技术(中国)有限公司 | Enterprise mail overseas forwarding method and system |
| CN105847113B (en) * | 2016-03-15 | 2019-01-18 | 新浪网技术(中国)有限公司 | The overseas retransmission method of corporate mail and system |
| CN108075964A (en) * | 2017-09-28 | 2018-05-25 | 中船黄埔文冲船舶有限公司 | Mailing system dispositions method under a kind of environment of isomery domain |
| CN108989390A (en) * | 2018-06-19 | 2018-12-11 | 北京智明星通科技股份有限公司 | User requests retransmission method and device, Reverse Proxy and computer readable storage medium |
| CN108989390B (en) * | 2018-06-19 | 2020-11-10 | 北京智明星通科技股份有限公司 | User request forwarding method and device, reverse proxy server and computer readable storage medium |
| CN110380949A (en) * | 2019-05-24 | 2019-10-25 | 平安普惠企业管理有限公司 | Intranet e-mail sending method, device, computer equipment and storage medium |
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| Publication number | Publication date |
|---|---|
| WO2010037290A1 (en) | 2010-04-08 |
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Application publication date: 20090311 |