I didn't realize cold emails were a thing until I started my most recent job. Our emails are first initial + last name @ business.com and I share the first ini

I didn't realize cold emails were a thing until I started my most recent job. Our emails are first initial + last name @ business.com and I share the first initial and last name with someone in a different part of the company than me. Somehow I ended up with that email (no numbers) and I get emails constantly about stuff completely unrelated to what I work on. (He's a general manager at a large hotel property.) I've even started getting invoices for the laundry at the hotel.