Shulou(Shulou.com)06/02 Report--

In this issue, Xiaobian will bring you an example analysis of U-Mail mail system storage encryption function to protect privacy. The article is rich in content and analyzed and described from a professional perspective. After reading this article, I hope you can gain something.

There are several possibilities for mail theft: one is that the user account password is stolen; the other is that the mail is stolen during transmission; and the third is that the mail is stored on the company's mail server. So how do you prevent emails from being stolen?

For the first case, the U-Mail mail system can set password rules, forcing users to use complex passwords, and can not use passwords in weak password libraries, and can filter Web attacks such as XSS reflection attacks and SQL injection;

In the second case, you can convert plain code into garbled code by purchasing encrypted SSL Certificates. The encryption level of U-Mail can reach 256 bits. For real military high-level, purchasing SSL Certificates requires a fee for enterprises.

For the third case, the mail stored on the company server is stolen, in fact, it is more common and easy to be ignored, on the one hand, it is difficult to prevent "spies," internal competition is fierce, for example, A salesman intentionally steals B customer information; on the other hand, it is also possible that the company is large in scale and has many employees. If the management is not in place, errors in busy work will lead to the theft of an employee's mail.

How to prevent the third situation from happening?

The U-Mail mail system has its own elaborate solution. The specific operation is to log in to the system management background of the U-Mail mail system--security settings--mail storage encryption, and open the dialog box as shown in the following figure:

Description:

1. If we encrypt newly received and generated emails at the beginning, we can click the "Store new emails after encryption" button.

Encrypted messages will always be stored on disk in encrypted form and cannot be changed.

Encryption is performed using an elliptic curve encryption algorithm through two key files stored in the data, which can be derived for backup or stored in a local directory.

4, to use, you must first find the corresponding key file to decrypt, if it is through the IMAP, POP protocol to obtain mail, then U-Mail will automatically decrypt the mail and then transmit it to the client.

When a user uses this mail storage encryption feature, even an administrator cannot view the contents of his mail without authorization. U-Mail enterprise mailbox system wants users to think, anxious users anxious, developed this local storage encryption function, in the era of personalization, very good care to protect the privacy of users. Moreover, this function of U-Mail is built into the mail system, and there is no need to pay extra for software or services.

The above is an example analysis of the U-Mail mail system storage encryption function to protect privacy shared by Xiaobian. If there is a similar doubt, please refer to the above analysis for understanding. If you want to know more about it, please pay attention to the industry information channel.

Welcome to subscribe "Shulou Technology Information " to get latest news, interesting things and hot topics in the IT industry, and controls the hottest and latest Internet news, technology news and IT industry trends.