No bans are done just for this, EVE-O-Preview has nothing to do with it. The ban happens when the certain threshold is hit, simply put. Let’s say - you have a 100 reports on you, our internal tools picked you up, our certain checks returned positive result. In this case yes, there is definitely something to worry about. But even throughout these cases we had false positives. This is why the edge cases are being investigated by a couple of people. There have been some instances when I made a mistake of misjudging, simply because the user landed up on a very grey area, but my colleagues have provided the second opinion and the justice was restored. So yeah, it’s never easy.
Funny thing, this email does not even belong to Team Security 
You should use it if you want to report some vulnerabilities within the website, client, any breaches, something like this.
I’d give you a 100% on this, but there is always a chance that a certain ticket will be lost or something happens to it. So instead of promises I can say that ALL tickets that are related to TS are transferred to us, Team Sec specialists. Bought ISK, sold ISK, got banned, want to report someone - everything goes there. And then we pick it up, slowly but surely.