EmailGuard.FreeList (EmailGuard v1.2.2) View Source
List of free email providers (such as gmail).
Large based on: https://gist.github.com/ammarshah/f5c2624d767f91a7cbdc4e54db8dd0bf
Note that domains of providers of disposable emails (which are often free)
are part of EmailGuard.DisposableList
and are not included here.