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CleanTalk apps for Slack and Telegram chats

We inform you that we have developed apps for Slack and Telegram, which allow you to check the blacklisted IPs/emails directly in the chat. To do this, you need to add the application to your chat and send IP/email command to do the checking. The application makes a request to our database and returns t

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Anti-Spam Filter for Subnets

Dear users! We are pleased to announce the launch of an anti-spam filter for subnets. Now you can add to your personal black list not only the certain IP addresses, but also a separate subnet. You can add entries to your personal black list in Black&White lists section of your CleanTalk Dashboard. The instruction of how to

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Delegating of access rights to the CleanTalk Dashboard

Dear Customers, We are pleased to announce the launch of a new option in the CleanTalk dashboard. This option allows you to delegate access rights to other users in CleanTalk dashboard. This option is useful for web studios and web masters serving the customer sites and allows you to provide access to view or giv

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SpamFireWall – prohibition of access to the site for spambots

Every owner of the website or the webmaster is faced with such a scourge as spam in the comments or contact forms, registration by spambots in the guise of users. As a result, the form in the website processes these messages, which spend resources on the server. Some spam bots load the page to bypass

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From which CMS spam more often?

The statistics are based on data from anti-spam service CleanTalk, for the period from April 2015 to March 2016. The analysis was conducted for the following CMS: WordPress, Joomla, 1C Bitrix, Drupal, phpBB3.0, phpBB3.1, IP.Board, SimpleMachines, MediaWiki. The analysis was attended by all the POST requests processed by the service, such as comments, registration, contact

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The change the title of the WordPress plugin

We changed the old title of the plugin for WordPress “Anti-Spam by CleanTalk” to the new “Spam protection by CleanTalk”. Don’t worry, we want to test how people perceive the long and short titles

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Non-visual methods to protect the site from spam. Part 3. Repeats

Continuation of the article Non-visual methods to protect the site from spam Part 3: Repeats of substrings As mentioned above, non-visual methods for site protection against spam using text analysis. One of the most common spam signals – is the presence of repeated strings. As always, these examples are taken from actual company data CleanTalk

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Non-visual methods to protect the site from spam. Part 2. The true face of symbols

Continuation of the article Non-visual methods to protect the site from spam Part 2: The true face of symbols Non-visual methods to protect website from spam use, in particular, the analysis of the transmitted text. Spammers use many techniques to complicate the analysis. Here will be shown examples of one of them, namely, substitution of

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Non-visual methods to protect the site from spam. Part 1. Statistics

Part 1. What statistic says Non-visual methods to protect the site from spam suggest automatic analysis of data coming from the visitor. As more data is analyzed, the more fully and more accurately visitor can be defined and made a decision is he a spammer or not. Systems that analyze such data usually accumulate visitor

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Solve the problem with caching of dynamic JavaScript code on the frontend of WordPress

In the process of developing anti-spam plugin CleanTalk for WordPress we faced with the problem of caching of dynamic JavaScript code on the frontend of sites. Namely, if you place JavaScript that contains any pieces of code that can be dynamically inserted from backend site, in the presence on the site of any plug-in caching

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