Falling for scams such as this happens when people let their greed get the better of them,and they become enthusiastic over earning through what they never signed up for,once you receive a random email without actually signing up for anything it's most probably fraudulent and you should be wondering how your email was gotten and not how to maximize the supposed opportunity.
We've had head ups such as this and numerous warnings over time but the gullible will hardly read and put all this safety measures into practice.
Once one is simply focused on Just earning without safety,then that is being greedy and it has repercussions