Enter:

1. Users who connect their wallet to the Mail3 email, set up a .bnb domain address. Mail3 User
2. Try out Mail3 subscription feature with .bnb domain

By completing these steps, you'll receive a custom-designed stamp as a reward. Please refer to the tutorial for setup instructions.

Tutorial:

1. Mail3 Dapp
2. Unleashing Your Creativity in the Web3 World: A Step-by-Step Guide to Becoming A Web3 Creator

More details click here