$phonenum = "16783293991"; //works if 6783293991
  $from_name = "Gregory Smith";
    $from_email = "myemail@gmail.com";
    $from = sprintf ("From: %s <%s>nSender: %s <%s>nContent-Type: text/plain; charset="UTF-8"nContent-Transfer-Encoding: 8bitn", $from_name, $from_email, $from_name, $from_email);
  $to = $phonenum;
$formatted_number = $to."@messaging.sprintpcs.com";
mail("$formatted_number", "", "$message", $from); //the empty field of "" is the subject line and is unnecessary