Assess your users’ reputation using the Auth0 Signals Email Verification API.
Read more
Brought for you by Diego Parrilla
Let us know fi you have any questions or feedback regarding that feature!
Does the feature still exists? Link in the post seems redirecting to an other place 
Hi @smaine.milianni,
As stated at the beginning of the blog post, Auth0 Signals is no longer available:
Here is the deprecation announcement.