https://www.gravityforms.com/add-ons/mailgun/
The Mailgun add-on seamlessly integrates Gravity Forms with Mailgun to easily send form notifications using the Mailgun email service.Easily use Mailgun to send your form notifications.More Reliable DeliveryTrack Email Activity
Changelog - Added support for CC and BCC values when sending a notification. - Updated the documentation link for verifying domains to a more helpful documentation page. - Fixed an issue where the "find your private API Key" link on the settings page is invalid. - Fixed an issue where the links in the notification page are not redirecting the user to the correct Mailgun documentation pages.
TO MAC USERS: If RAR password doesn't work, use this archive program:
RAR Expander 0.8.5 Beta 4 and extract password protected files without error.
TO WIN USERS: If RAR password doesn't work, use this archive program:
Latest Winrar and extract password protected files without error.