There much bots spamming for rob-lox.xyz and ######### ### and free-robux.club What if you blacklist that domains and if you try to comment it you get first a warning if you try it aigen you get a ban for a hour or someting? Maybe a good idea?
No.
ROBLOX has no idea how to stop it but they're working on it.
The only thing to prevent scam bots filling your inbox with 800 messages per hour is to go to your settings and change "Who can Message me" to whatever you want other than "All Users".