Overview
You inherited a config file nobody documented. Email Validator makes check if an email address is valid and deliverable without opening a heavy IDE.
Keep a before copy in your notes. Formatters cannot infer business logic, only structure.
The Email Validator page lists what it will and will not fix for email validator jobs so you do not discover limits after sending a file to a client.
Email Validator on mopailor.com exists because teams asked for a fast way to check if an email address is valid and deliverable.
When email validator output on Email Validator looks almost right, change one slider at a time while you finish check if an email address is valid and deliverable.
Email Validator runs email validator locally in your browser for check if an email address is valid and deliverable; nothing uploads to Mopailor servers.