Is there a need for an anti-spam system for VKontakte communities?

Question

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Do I need a service where automatic moderation of comments in the VKontakte community will be available? And can it pay off? If you are a community administrator, then unsubscribe how much you could pay per month for such a service.
The meaning of the service is that it will detect spam messages (not only text messages) / messages with obscenities in the comments to community posts and notify the community administrator / moderator about such messages + it will be possible to customize everything for yourself.
Thanks for the answer.

Answer 1

the built-in anti-spam system works great there

Answer 2

Everything is in order, if there is spam, the page can be frozen or blocked for it. Mostly they use flooding, but captcha comes out.

Answer 3

There is already an excellent service:
AntiSpam VK

Answer 4

Or for those who do not like to use other people's services, there is a Powershell script that implements antispam in communities .