I don't know what the content of the mail is, but for single issues you can find help here in the forum. There is mostly always someone that can help...
That won't work by default in the future, as it's some kind of cheating/bug using (you impersonate an other player).
But I'll look into implementing a proper replace mechanism after that.
Already thought about that and like it, but how do you define scout "a player"? Seeing only one of his units? Seeing one of his buildings? Seeing his CC? Seeing everything he has?