A mail sending method and device based on confidential information system
A technology of a sending device and a sending method, which is applied in the field of network communication security, and can solve the problem of sending secret-related information to enemy secret-level secret-related personnel and non-secret-related personnel. High-density electronic information and other issues, to avoid the effect of sending information
Active Publication Date: 2017-04-12
中国航天科工集团第二研究院七0六所 +1
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Problems solved by technology
The traditional mail system mainly has the following problems in the use of military enterprises and other secret-related units: there are no technical control measures for the exchange of secret-related information between different security domains, and there are secret-related information sent to enemy secret-level secret-related personnel and non-secret-related personnel without approval. possibility of personnel
Since the original office email system does not control the user's confidentiality level and the confidentiality level of the transmitted electronic information, it cannot control the confidentiality relationship between the recipient and the email to be sent, so it is impossible to restrict the low-level user's acceptance of high-level electronic information. occur
Method used
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[0024] The invention proposes a mail sending method and device based on a confidential information system. Mail sending device 11, such as figure 1 As shown, it is composed of a mail transmission module 111, a mail receiving module 112, and a hierarchical transmission control module 113, and completes mail receiving, transmission, and forwarding through a multi-level transmission mechanism.
[0025] (1) Mail transmission module 111
[0026] The mail transmission module 111 extracts the mail information to be sent and sends it to the server. In some embodiments, the mail transmission module 111 converts the mail information into an eml file and sends it to the server. In a preferred implementation, the mail transmission module 111 is developed based on the message development framework JavaMail of sun company to further extend the application function. The mail transmission module 111 realizes parallel sending of multiple mails through multi-thread monitoring technology.
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Provided are a mail sending method and a device based on a classified information system. The mail sending method comprises the steps: judging whether a server to which an address of a receiver belongs and a server to which an address of a sender are a same server; if the server to which the address of the receiver belongs and the server to which the address of the sender are the same server, sending the mail to an inbox of the receiver; if not and if the server to which the address of the receiver belongs is a sub-server of the server to which the address of the sender belongs, sending the mail to the sub-server of the server to which the address of the sender belongs step by step until the mail is sent to the server to which the address of the receiver belongs, and moving the mail to the inbox of the receiver; or, searching a common superior server of the server to which the address of the receiver belongs and the server to which the address of the sender belongs, sending the mail from the server to which the address of the sender belongs to the common superior server step by step, then sending the mail from the common superior server to the server to which the address of the receiver belongs step by step, and moving the mail into the inbox of the receiver.
Description
technical field [0001] The invention relates to the field of network communication security, in particular to a mail sending method and device based on a confidential information system. Background technique [0002] At present, with the rapid development and construction of internal computer networks, in order to improve work efficiency and increase the sharing of resource information, military enterprises and secret-related units generally use internal secret-related wide area networks to exchange electronic information, including a large number of secret-level, Confidential file information, and the transmission of a large amount of electronic information increases the difficulty of confidential file management. The traditional mail system mainly has the following problems in the use of military enterprises and other secret-related units: there are no technical control measures for the exchange of secret-related information between different security domains, and there ar...
Claims
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IPC IPC(8): H04L29/06H04L12/58G06Q10/10
Inventor 穆森赵倩任强徐马利杨利陈剑锋
Owner 中国航天科工集团第二研究院七0六所