Method 1: Add an arithmetic verification code to the commentAdd the following code to functions. php in the topic directory: The code is as follows:Copy code // Arithmetic verification code by vfhkyFunction spam_provent_math (){$ A = rand (5, 15 );$ B = rand (5, 15 );Echo " }Function spam_provent_pre ($ spam_result ){$ Sum = $ _ POST ['sum'];Switch ($ sum ){Case $ _ POST ['A'] + $ _ POST ['B']: break;Case null: wp_die ('kiss, calculate the result Zs'); br
For a network administrator, spam is not suffering from receiving spam, but trying to prevent spam senders from using your email server for relay forwarding. This is critical, because once they use your email server as a forwarding station, in addition to expensive Bandwidth Resources, server speed reduction, and heavy load on you, you may soon be confused by the
Although the author is not necessarily right, it is representative.
If there is, change it. If there is no, add it. I have a friend who is the boss of a big company. He gets angry as soon as he gets angry. One day, he grayed out some of the new graduates he just recruited from the company, the reason they were scolded was that the graduates insisted that they were not spam, which aroused the boss's anger. He said: Why are you not
The increasingly rampant spam has become a cancer on the Internet. Although most email addresses provide the spam filter function, the setting is too cumbersome for users. In addition, spam is constantly changing, the filtering effect is poor, and sometimes normal emails are deleted by mistake. Can I "DIY" a personal anti-spa
Next, let's take a look at the article about how to configure Amavisd-new to skip the anti-spam check in this region. I hope this article will help you.
Amavisd-new is a very powerful anti-spam software, but many times we need to skip anti-spam checks for emails in our own region, this article discusses how to skip amavisd-new Anti-
(1) Number of links to domain name and IP address
This approach is generally to query whether the Web site specifically provides link services to the page. If this page exports too many links, the search engine may decide that the site is spam. Of course, navigation sites are not the only. such as search engines on hao123, 265, DMOZ and other sites will have their own different algorithms and coping styles.
Coping methods: When making links to speci
If you are a small and medium sized publishing company, a real estate economics company or a law firm's mail administrator, you are likely to have more spam than the email administrator in other industries. Now, no matter where you work, your mail server is likely to be attacked, and you may be unaware of it.
The above conclusions come from a detailed annual e-mail threat report from the Management service provider, Postini, released today. Postini ha
Using Akismet to prevent Spam comments Akismet is an excellent plug-in that prevents Spam messages. most wordpress blogger is using it. with akismet, there is basically no need to worry about Spam messages. However, no one is perfect, and no plug-in is complete! Akismet is not perfect either. Recently, I often find a "good guy" message in the comment that Akismet
Akismet is an excellent plug-in that prevents Spam messages. most wordpressblogger is using it. with akismet, there is basically no need to worry about Spam messages. However, no one is perfect, and no plug-in is complete! Akismet is not perfect either. Recently, I often find a "good guy" message in the comment that Akismet judges as spam. However, it is deleted
Source: TechTarget
For a network administrator, spam is not suffering from receiving spam, but trying to prevent spam senders from using your email server for relay forwarding. This is critical, because once they use your email server as a forwarding station, in addition to expensive Bandwidth Resources, server speed reduction, and heavy load on you, you may soon
Akismet is an excellent plug-in that prevents Spam messages. most wordpressblogger is using it. with akismet, there is basically no need to worry about Spam messages. However, no one is perfect, and no plug-in is complete! Akismet is not perfect either. Recently, I often find a "good guy" message in the comment that Akismet judges as spam. However, it is deleted
In 2014, my small website was frantically flushed by a large number of spam IP addresses from Putian, Fujian province, with dozens of times of traffic per minute and a large number of spam comments. I checked the news on the internet. Many small blogs and forums have been wildly refreshed, and they are all from the IP address of Putian, Fujian. Small websites are all virtual hosts, the traffic is also lost.
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
A few years ago, the spam information was still reported by Craigslist. Today, spam information senders have begun to govern the world's most famous classified information advertising platform. Craigslist tried every means to prevent spam information, including filtering duplicate posts and reviewing a large amount of information sent from the same IP address, us
I believe that most people who use emails will receive a lot of spam every day. As a network manager, I receive more than hundreds of spam mails every day, so it is imperative to prevent spam.
I. Environment Description
The server of the organization uses RedHat Linux 9.0 and the mail server uses Sendmail 8.12.8. This server is placed on the Intranet and connecte
For a network administrator, spam is not suffering from receiving spam, but trying to prevent spam senders from using your email server for relay forwarding. This is critical, because once they use your email server as a forwarding station, in addition to expensive Bandwidth Resources, server speed reduction, and heavy load on you, you may soon be confused by the
Php Chinese network (www.php.cn) provides the most comprehensive basic tutorial on programming technology, introducing HTML, CSS, Javascript, Python, Java, Ruby, C, PHP, basic knowledge of MySQL and other programming languages. At the same time, this site also provides a large number of online instances, through which you can better learn programming... Reply content: Ad mail is not equivalent to spam, especially for sending mass emails to members. if
I believe that most people who use emails will receive a lot of spam every day. As a network manager, I receive more than hundreds of spam mails every day, so it is imperative to prevent spam.
I. Environment Description
The server of the organization uses RedHat Linux 9.0 and the mail server uses Sendmail 8.12.8. This server is placed on the Intranet and conn
As enterprise users use their mailboxes for a longer period of time, they will encounter more and more spam problems. They will not only spend valuable time processing spam every day, but also consume a large amount of Enterprise mailbox space, and occupy a large amount of network bandwidth, and even cause network congestion, resulting in server paralysis. Therefore, when designing an email server, an impor
At the beginning of the message will be changed to the song forum, solve the message this many problems, there is interactivity, enhance the stickiness.But then encountered a lot of problems, especially the problem of garbage paste has plagued us for a long time, there has been a lot of people with the forum mass release of garbage paste, originally only thousands of posts, one night was brushed 50多万条 garbage post.Later did a lot of precautions, such as installed anti-drip plug-ins, set the keyw
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