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attribute, search engine spiders will not crawl the link, and will not be linked to the weight of the technology, Of course, it does not count the anchor text. Use range: (1), blog and website comments and messages are included rel= "nofollow" label. If your site is a blog site or contains a comment page that can post links, then you need to join rel= "nofollow" Otherwise, these spam links will be implanted in your Web page, so that your site to gi

1. Introduction Software Project risks refer to the budget and progress problems encountered during software development and the impact of these problems on software projects. Software Project risks may affect the implementation of the project plan. If the project risk becomes a reality, it may affect the project progress, increase the project cost, or even make the software project impossible. If you manage project risks, you can minimize the

The origins and technology of Spam The SMTP protocol itself is a simplified mail Submission protocol, lacking many of the necessary authentication, which is one of the reasons why the SMTP protocol is flooding the spam message. Because of the SMTP protocol, the sender is allowed to forge the vast majority of the sender's signature information, such as: sender, letter routing, and so on, even after anonymous

the email content, but how many people quickly think that the email he is reading is a fake one? Likewise, since the mail can be forged, anonymous mails can naturally be sent, because both are the same method. The principle used by tools used on the Internet to send anonymous mails and AD mails is basically the same. Everyone knows this. As long as you know who's email address, and then find out the SMTP server based on the email address domain, you can quickly send an anonymous email to him,

poor and there are many Software defects, the possibility of missing defects is high; Regression testing generally does not run all test cases. It is selective and brings risks. The first three risks can be avoided, and 4) to 7) The four risks cannot be avoided, which can be minimized. The last regression test risk can be avoided, but it usually exists out of time or cost considerations. There are some effective test

Summary: Software Testing , as an important means to ensure the quality of software, is attracting more and more attention, while there are risks in software testing projects, if we can pre-emphasize the risk assessment and develop a positive response plan to the risk, we can Minimize risk or reduce risk.　　Key Words: T

Abstract:This article analyzes the current risks in the software industry, lists the risk sources of software development projects, and analyzes the causes of various risks and the impact on the success or failure of the project, finally, we provide suggestions on Risk Management and Control for software development projects. 　　Keywords:Software development risk

Cut off the spam on the Linux Server-Linux Enterprise Application-Linux server application information. The following is a detailed description. In today's world, spam continues to run rampant and is increasingly becoming a serious problem because spam makers are becoming increasingly intelligent, preventing spam is ve

Project risk management includes planning Risk Management, identifying risks, implementing risk analysis, planning risk response, and controlling risks. The purpose of project risk management is to increase the probability and impact of positive events in the project and red

The mail system is an important part of Linux network applications. The complete mail system includes the underlying operating system, the Mail sending proxy MTA, the mail distribution proxy MDA, and the Mail User proxy MUA. Currently, the main danger facing the Linux email system is spam, Linux virus, and DoS attacks. This article focuses on Linux Emails The mail system is an important part of Linux network applications. The complete mail system incl

The mail system is an important part of Linux network applications. The complete mail system includes the underlying operating system, the mail sending proxy MTA, the mail distribution proxy MDA, and The Mail User proxy MUA. Currently, the main danger facing the Linux email system is spam, Linux virus, and DoS attacks. This article focuses on Anti-Spam policies for Linux mail servers. Prevention of

Common spam traps and Preventive Measures Here is how to identify and prevent spammers from getting your email addresses. Common spam policies "Help! My inbox is almost overwhelmed by Spam! How do spam sellers get my email addresses? " The most common problem we receive is spam