Below are the steps to turn on email receipt in Authorize.net.

Step     Action

  1.        Log in to your Authorize.net account.

  2.        Select {Settings} from the left-hand column under Account section.

  3.       Select {Email Receipt} under Transaction Format Settings section.

  4.      Check box to left-hand side of 'Email transaction receipt to customer (if email address is                             provided)'

  5.       Select {Submit}. Email Receipt should now be turned on in Authorize.net.