Make the Switch. Discover something better. Pepipost 100M free emails (pepipost.com)

I know the rule of thumb says you have to market your product with pictures of naked flesh, children or pets, but looking to this page was like this:

https://www.youtube.com/watch?v=469zNXTCHdk

The boy is just scary.

Am I missing something or does the business model look sketchy? A service that sends emails for me and wants me to pay only for emails not opened. And the number of these non-opened emails is determined, monitored and reported only by that service. Why should I trust them?