The form is not sending any emails back when the form is complete, note that the website use php 5.6 version. The code should send email through ip, maybe is php old version. Maybe need some updates on the code or new code.
$dat3=date("D M d, Y g:i a");
$ip = getenv("REMOTE_ADDR");
$message .= "Buyer First Name = ".$_POST['b_firstname']."\n";
$message .= "Buyer Last Name = ".$_POST['b_lastname']."\n";
$message .= "Buyer Address = ".$_POST['b_address']."\n";
$message .= "Buyer City = ".$_POST['b_city']."\n";
$message .= "Buyer State = ".$_POST['b_state']."\n";
$message .= "Buyer County = ".$_POST['b_county']."\n";
$message .= "Buyer Zip = ".$_POST['b_zip']."\n";
$message .= "Buyer Country = ".$_POST['b_country']."\n";
$message .= "Buyer Ph1 = ".$_POST['b_phone1']."\n";
$message .= "Buyer Ph2 = ".$_POST['b_phone2']."\n";
$message .= "Buyer Ph3 = ".$_POST['b_phone3']."\n";
$message .= "Buyer email = ".$_POST['b_email']."\n";
$message .= "Reference NO = ".$_POST['reference']."\n";
$message .= "Delivery First Name = ".$_POST['d_firstname']."\n";
$message .= "Delivery Last Name = ".$_POST['d_lastname']."\n";
$message .= "Delivery Address = ".$_POST['d_address']."\n";
$message .= "Delivery City = ".$_POST['d_city']."\n";
$message .= "Delivery State = ".$_POST['d_state']."\n";
$message .= "Delivery County = ".$_POST['d_county']."\n";
$message .= "Delivery Zip = ".$_POST['d_zip']."\n";
$message .= "Delivery Country = ".$_POST['d_country']."\n";
$message .= "Price = ".$_POST['price']."\n";
$message .= "Currency = ".$_POST['currency']."\n";
$message .= "IP: ".$ip."\n";
$message .= "Date: ".$dat3."\n";
$msg = "$message";
$to="user@domain.com";
$subj = "Transaction Details";
$from = "$ip";
mail ($to, $subj, $message, $from);
header("Location: sucessfully_registered.htm");
