BuddyPress.org

Spam is an endless discussion on the web over years. Search this forum, you’ll find many topics.

Half of my users registrations are reported by buddypress like a spam.
The question is why ? Aside, note that it is WP who controls the registration, not BuddyPress.

Do you use Askimet or some other plugin who controls your registry ?

So I think it’s sufficient? no?

Simply ? NO !

Captchas are helping to determine a human activity, but generally don’t spam users.

Many spam bots go through captcha and many other goes directly to your db. And many many, if not all, can send emails !
Spammers are even cleverer as most door keepers, it’s a sad fact and a great part of that “sport” to prove it continuously.

Here some common tasks explained to avoid spam and other unwanted content on your site. Note that one of the first thing to do is to use another table prefix as the universal knowed wp_ !