Co-founder of MailTester.Ninja. I'm the half that doesn't write the code.
We do email verification, so I spend my days looking at why cold emails bounce.
Most of the time, it isn't the list.
Bootstrapped, no funding. I post what the data shows, including when it doesn't flatter us.
Products
- MailTester.Ninja
Email verification and email finder. We check the address before you send, so your domain doesn't pay for a bad list.