What's the best cold email you ever received?

I got my first one a few days ago, from someone who's interested in joining my company.

I'm going to be conducting an informal meet and greet phone call with them this week. I've never interviewed anyone so I'm considering this to be a good way to practice.

In a way, it's the best cold email I've received so far. The rest are mostly AWS recruiter emails, which I've been getting every week. ಠ_ಠ

Out of the blue, I got a contract to play minor league baseball somewhere in the Midwest.

Sadly, it was a typo in the email address :(

The acquisitions editor for the publisher of my first book cold emailed me. It was quite the shock and I almost thought it was a joke. Good thing I replied.