Instance admins can blacklist & whitelist other instances from federating with theirs. If you have a lot of bot spam originating from a particular server, you can just add them to the blacklist to prevent them from interacting with yours.
Instance admins can blacklist & whitelist other instances from federating with theirs. If you have a lot of bot spam originating from a particular server, you can just add them to the blacklist to prevent them from interacting with yours.