title: how to trigger if email delivered?
body: <p>am using laravel framework for users registration after that the user should activate his account by clicking link sent to his email ,
  this scenario works fine with all valid and available mail box .
  but some times when the user made mistake typing his email the system will fire the email to none exist email and back with failure message "Delivery to the following recipients failed." in this case he cant login and cant reset or interact with the system , whats is the best practices to avoid this situations ?</p>