Though burner emails (temporary addresses) are great to avoid being spammed, they can become a burden if you run a legit service that relies on your users addresses to confirm their identities and ensure they will not create too much trash accounts in a limited time.

Burnex is a very simple library that check emails against 3700+ burner email domains ( based on this list ).

Hex.pm: https://hex.pm/packages/burnex <br> Sources: https://github.com/Betree/burnex