I run a one-person web design agency for now. Real estate clients, mostly. For a while, the contact form on my own site, the thing that actually brings me leads was wired up with EmailJS.

It worked. Until it didn't feel like enough.

The problem with EmailJS

EmailJS runs client-side. Your form calls their API directly from the browser using a public key. That's fine for a weekend project. It's not fine when:

You're rate-limited by their infra, not yours