E-mail safety management system and method based on content filtering

A technology of content filtering and security management, which is applied in the field of email security management system, can solve problems such as rough email filtering methods, and achieve the effect of accurate judgment and analysis

Inactive Publication Date: 2016-06-01
江苏华御威盾网络科技有限公司
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  • Abstract
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  • E-mail safety management system and method based on content filtering
  • E-mail safety management system and method based on content filtering
  • E-mail safety management system and method based on content filtering

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Embodiment Construction

[0032] The content-filtering-based email security management system and method provided by the embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0033] like figure 1 , 2 , 3, a kind of email security management system based on content filtering provided by the embodiment of the present invention is characterized in that it includes:

[0034] The main program module 1 completes the calling of anti-spam, content filtering function and filtering rules, and completes the functions of recording related mail information and administrator operation log records;

[0035] Content filtering function module 2, completes the text checking of the email body and attachments according to the filtering rules;

[0036] Anti-spam module 3, realizes mail bomb protection based on IP address, including statistics, judgment and processing of sending frequency and quantity; mail fields "sender", "receiver", "cc", "title", " sourc...

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Abstract

The invention discloses an e-mail safety management system and method based on content filtering. The system is characterized by comprising: a main program module, a content filtering function module, a spam preventing module, an information record module, etc.; an e-mail safety management method based on content filtering is characterized by comprising following steps: starting a rule base; generating a filtering word stock according to the filtering rule base; matching the e-mail content with the words in the filtering word stock; performing statistics on the presence number of times of each key word and the spacing distance among the key words; performing relevance analysis of the key words according to the presence number of times of each key word and the spacing distance among the key words; distinguishing the danger grades of e-mails according to the relevance; and returning the danger grades of e-mails to the main program. According to the invention, by use of intelligent technology of content filtering, accurate determination and analysis for e-mail filtering are realized, and then the danger grades of e-mails are confirmed. Managerial personnel can adjust and change the filtering rules in real time according to audit information.

Description

technical field [0001] The invention relates to an email security management system and method based on content filtering. Background technique [0002] Email security issues include two aspects: the security issues of the system as a network service and the security issues of email content. Therefore, the development of email security system should start from two aspects: email system security and email content security. Email content security is currently mainly achieved through technologies such as spam detection and content filtering in China. [0003] Spam (SPAM) generally includes UBE (Unsolicited Bulk Email) and UCE (Unsolicited Commercial Email). Such emails have a high sending rate and a large number, occupying network resources, affecting the performance of mail servers, and hindering users from receiving normal emails. At present, the anti-spam technology is mainly to detect each field of an email, to discover and filter spam in time. Generally, the sender, re...

Claims

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Application Information

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IPC IPC(8): H04L29/06H04L12/58G06F17/30
Inventor 蒋斐卞欢
Owner 江苏华御威盾网络科技有限公司
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