How do you know if your cold emails are working before users reply?

I'm building a tool that uses AI to help craft cold emails that actually get responses. But before I go too far, I want to dig deeper into the real frustrations behind cold outreach.

Most founders and marketers I talk to say something like:

“We send cold emails, but we’re not sure if they’re hitting the right tone, targeting the right pain point, or just going straight to spam.”

Right now, I’m researching the before you send side of cold outreach that moment where you're staring at your draft, wondering if it’s persuasive, personal, or just… meh.

So if you're doing cold email:

What’s your biggest frustration?

How do you currently test or validate your emails?

What would make your outreach process 10x easier?

If this resonates, I’d love to hear from you.

No pitch just trying to understand the problem deeply before finishing the product. 🙏