Mail processing method and system, and mail proxy gateway

A processing method and proxy gateway technology, applied in the field of data security, to avoid multiple transfers and illegal uses, protect private intellectual property rights, and improve safe transfer and legal use.

Active Publication Date: 2018-08-24
北京明朝万达科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] (1) The above-mentioned technology obtains key content information by analyzing network data packets, records and audits the obtained information, and fails...

Method used

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  • Mail processing method and system, and mail proxy gateway
  • Mail processing method and system, and mail proxy gateway
  • Mail processing method and system, and mail proxy gateway

Examples

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Embodiment Construction

[0041] Such as figure 1 , is a method flowchart of the present invention, specifically comprising:

[0042] The mail processing process that the present invention proposes is as figure 1 As shown, it includes five sequential processing steps of extracting email content, matching email content with rules, extracting email watermark information, watermark identification, and adding watermark. Through this series of email processing, outgoing emails have With clear filtering, normal emails are safely sent to the mail server. The following five information processing steps are introduced one by one:

[0043] (1) Extract email content

[0044] According to the original file of the mail, extract the sender / sender (including CC, BCC), subject, body, attachment (including attachment format, size, content), etc. of the mail, so as to facilitate content detection in subsequent modules;

[0045] (2) The content of the email matches the rule

[0046] Rule matching is performed on the...

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PUM

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Abstract

The present invention discloses a mail processing method and system, and a mail agent gateway. The method comprises the following steps: extracting mail content of a to-be-sent mail; performing rule matching on the extracted mail content to obtain a matching result; extracting mail watermark information for the mail hitting the rule; and comparing the extracted watermark information with the watermark information that needs to be added, and deciding whether to add a watermark to the mail according to the comparison. According to the technical scheme of the present invention, problems of information leakage, multiple forwarding, untraceability and the like caused in the mail sending process can be effectively solved, safe delivery and legal use of the mail content can be improved, and the protection of the mail content can be enhanced to a new safe height.

Description

technical field [0001] The invention relates to the field of data security, in particular to a mail processing method, system and mail proxy gateway. Background technique [0002] Mail agent, as a bridge between mail client and server, provides faster, more efficient and safer control for sending and receiving mail. [0003] Watermark, that is, a background adding technology, adds translucent text or pictures on the background of documents, pictures, multimedia and other content to mark the content of the email attachment. As an important tool for information transmission, email carries a large amount of sensitive information during the transmission process. In order to prevent secondary leakage of information and track the source of information, a specific watermark is added to the email attachment when the email is sent, so that the email will be transmitted during the transmission process. It is easy to know which company and department the email belongs to, and whether ...

Claims

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Application Information

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IPC IPC(8): G06F21/16H04L12/58
CPCG06F21/16H04L51/42
Inventor 杨斌喻波王志海魏效征
Owner 北京明朝万达科技股份有限公司
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