Pay to reach an inbox

The core idea came to life: a stranger who emails you is asked to pay a small Lightning fee first, and their message reaches you once they do.

Historical update · December 8-9, 2025

Reply automatically to an unknown sender with a Lightning invoice, and deliver the message once it is paid.

Set your own price, see it in dollars before you pay, and price attachments too.

Sign in with a Lightning wallet, with no password needed.

Prepare a switch from the test network to the main network for launch.

Manage a Bitcoin wallet from your dashboard.

Read the about page, which explains why a small payment stops spam.