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No, but we moved our blacklist so it wasn't updating. It is fixed now, so you should not see it again. The Cheetah message is SteemCleaners and you will need to verify with them if it keeps happening to get whitelisted.

I clicked the link and pleaded my case to their feed and someone got back to me. I guess it's people and bots doing their best to control spammers. I also have a friend who has been a long time user assist me.