They're all sent by a handful of recently created accounts.
Should there be an admin approval system for first posts, or something similar to slow down such attempts?
Edit 2: The [brigaders are coming from /pol/](https://lemmy.ml/post/157485) as found by [@gun@lemmy.ml](https://lemmy.ml/u/gun)
Edit 3: They've now been banned. Thank you mods.
Yeah. Especially on mobile it’s a bit inconvenient having to go through some hoops to eg. subscribe to some community on another instance.