Ok, so maybe a rephrase? 
You come in, your title says that you suspect rendo was hacked.  People pointed out that it has nothing to do with rendo, and that it's general, every day spam.
So....what is the answer you're looking for?  Maybe, if we knew that, we'd be closer to your answer.  But, like most of us have said, it's spam.  You can either dwell on it, and eventually (if you don't already) need medicine for stress and/or blood pressure, or, you can delete it, and get on with your day.  It's an annoyance.  But, freaking out about it, as if Rendo has any way to combat spam on a global level, is like using a 9mm to get rid of flies.

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