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Method, device and system for processing mails

An email and conditional technology, applied in the communication field, can solve problems such as stickiness reduction, open relay email honeypot abuse, etc.

Active Publication Date: 2013-05-01
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] However, discarding all the spam sent by the spammer through the remote host will reduce the stickiness of the open relay mail honeypot to the spammer; Following mail honeypots being abused

Method used

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  • Method, device and system for processing mails
  • Method, device and system for processing mails
  • Method, device and system for processing mails

Examples

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no. 3 example

[0121] see Figure 4 , which is a flow chart of the third embodiment of the mail processing method of the present invention, the method includes:

[0122] Step 401: Setting at least one open relay and at least one open proxy in the honeypot client.

[0123] Generally, the port used by the open relay is port 25 of the TCP protocol; the port used by the open proxy can be port 1080 or port 8080, etc.

[0124] Only the open relay can be set in the honeypot client, and the open relay and the open proxy can also be set at the same time. Therefore, the open proxy is optional.

[0125] Step 402: The honeypot client monitors the open relay port and the open proxy port, and when it monitors that the remote host connects to the open relay port, execute step 404; when it monitors that the remote host connects to the open proxy port, Execute step 403 .

[0126] When the remote host connects to an open relay port or an open proxy port, it will send the connection information of the remot...

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Abstract

The embodiment of the invention discloses a method and a device for processing mails. The method comprises the following steps of enabling a remote host to connect with an open trunk port, or when a target host port connected by an open proxy port is an SMTP (simple mail transfer protocol) port, establishing the connection between the SMTP port and the remote host; receiving first mail data sent by the remote host through the connection; for each mail contained in the first mail data, judging whether the mail is a suspected test mail or not; if the mail is the suspected test mail, reporting the mail to a server, so on the premise of meeting the preset condition, the server can forward the mail; and if the mail is not the suspected test mail, discarding the mail. The method and the device have the advantages that the viscosity to a rubbish mail sender is ensured, and the abuse of a mail honeypot is avoided.

Description

technical field [0001] The invention relates to the communication field, in particular to a mail processing method, a honeypot client, a server and a mail processing system. Background technique [0002] Spam is a general term to describe unsolicited email. The wide application of blacklist technology makes spammers tend to use Open Relay or Open Proxy to forge the sender of spam and hide the real identity of spammer. Source IP address information, do everything possible to change the characteristics of spam, break through the interception of mail filtering technology and evade tracking. [0003] Open relay is a Simple Mail Transfer Protocol (SMTP) service that can relay and forward mail without authenticating the sender's information. Spammers can pretend to be the sender and hide the recipient's information through the open relay, so as to confuse mail users and avoid tracking. An open proxy is a proxy service that can forward data without user authentication. Using an ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/24H04L12/26H04L12/58H04L29/06
Inventor 孙灵峰诸葛建伟郭军权
Owner HUAWEI TECH CO LTD
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