Mail security protection method based on security level control

Abstract

The invention discloses a mail security protection method based on security level control. A server carries out security level classification on users and mails, and configures corresponding security levels of the mails according to keywords; and when a user sends a mail, the server searches and sets corresponding security level according to the keywords in the mail, meanwhile, carries out security level matching according to the security level of the user sending the mail and the mail set security level, and sends the mail when the security levels match. The method can provide a mail security level function; the security level of the user is corresponding to the security levels of the mail and attachments; and people having low security levels cannot see the high-security-level mails and attachments, thereby ensuring that mail information is safe and controllable.

Description

technical field

[0001] The invention relates to the technical field of email security protection, in particular to an email security protection method based on secret level control. Background technique

[0002] In the era of big data, the value of information and data is getting higher and higher. However, the awareness of data protection is still very weak, resulting in frequent leaks. However, confidential content such as decisions, patented technologies, and sales quotations of most enterprises and companies are often transmitted by email, making email increasingly an important means of communication. However, while e-mail brings great convenience to people, it also brings worrying e-mail security problems, such as stealing, tampering with data, forging e-mails, denial of service, spreading viruses and so on. Therefore, we must face up to the security issues of e-mail to minimize losses. Contents of the invention

[0003] In view of this, the main purpose of the pre...

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