How to beat spammers who post the posts in the topic questions and answers?

Good day!

On the website there is a section of questions and answers, in which spammers on the same template to post the questions - several times a day with a very illiterate description of the "earnings of 15 000 rubles a day" and a link to their website which is moshenicheskie (this is what determines its Yandex).

The site has a recaptcha plugin Antispam be. That is the question don't you stand it until you get through the recaptcha.

Drove in search of their description, they post on many sites, including very popular -, - everywhere the same description. And their site in the description - changing, that is, links to different.

Like nothing has removed this content and all, but obviously it interferes with the users and the search engines have time to eat such pages that may have a negative impact on the image of the site.

What can we do?
June 10th 19 at 15:10
2 answers
June 10th 19 at 15:12
For publication in the open category to take the money
June 10th 19 at 15:14
Solved the problem - made it so that if a question or comment with a link to an external resource, it goes to moderation, and it should be utverdit the administrator, he came to the site

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