Help! I'm accidentally stealing people's identities and I don't know how to stop

I've been sent a contract for a house in Virginia I haven't bought and been mistaken for a Paraguayan engineer. Is it too much to ask for my email back?

For the past five years, I've been engaged in a very strange relationship, with an unknown number of people all around the world, which opens up the most intimate details of their personal lives to me. I've also deleted a child's reading history, and nicked someone's music streaming account. But I'm the victim, here: I've fallen prey to reverseidentity theft.

My first name is fairly common worldwide. It exists in different forms depending on your gender and location, from Alexis to Alejandro, but almost always gets shortened to Alex.

Related: Pagan polygamists, prayer circles and golf invitations - the joy of emails meant for someone else