What's the Difference Between Cold Email and Outbound Email Marketing?

A friend of mine was struggling to land new clients because he was reaching out with his great cold emal to companies who weren't either using outbound, or they already had somebody in place. So what we did is we went to product hun and for those that aren't familiar with a product hun it's a web site where start up often launch new pro or new up dates to their products. We then research to find them on lincton and their emal addresses. And then we sent out a message, and we say, we said some ing our lines, f like, hey h j, youll notice that you voted me. Shak, hope you're seeing great results with