I do think I answered his general question, which seemed centered around his bitcoin skepticism.
The more detailed answer on how this works can be found by going to the site and clicking "How It Works"
1 Someone Emails You
2 The Gate Catches It
3 Sender Sees the Payment Page - The sender clicks the payment link in the reply. They see exactly what's being held and what it costs:
4 Pay with Lightning — 15 seconds
5 Email Delivered
The more detailed answer on how this works can be found by going to the site and clicking "How It Works"
1 Someone Emails You 2 The Gate Catches It 3 Sender Sees the Payment Page - The sender clicks the payment link in the reply. They see exactly what's being held and what it costs: 4 Pay with Lightning — 15 seconds 5 Email Delivered