ethanpil/gravityforms-reject-disposable-emails — pull request #2 by jkirker (2014-01-07 13:52:47+00:00)
Title: Update gravityforms-reject-disposable-emails.php

Added strtolower to handle cased email address form spam.

ex:
NaMe@wHatEVer.CoM which would currently pass if whatever.com is listed.