Hiya Toby,
You will either need to set the relevant fields (as given in the WA Server Validation server behaviour) to validate, or remove the surplus WA Server Validations, which you can do manually or by double-clicking the 'WA Server Validations' in the Server Behaviors panel, selecting the redundant validations and then clicking the minus symbol.
Out of:
$WAFV_Errors = "";
$WAFV_Errors .= WAValidateRQ(((isset($_POST["Contact_Name"]))?$_POST["Contact_Name"]:"") . "",true,1);
$WAFV_Errors .= WAValidateEM(((isset($_POST["Email_address"]))?$_POST["Email_address"]:"") . "",true,8);
$WAFV_Errors .= WAValidateRQ(((isset($_POST["Comments"]))?$_POST["Comments"]:"") . "",true,3);
$WAFV_Errors .= WAValidateRX(((isset($_POST["addblock"]))?$_POST["addblock"]:"") . "","/^$/i",false,6);
$WAFV_Errors .= WAValidateRX(((isset($_POST["seconddblock"]))?$_POST["seconddblock"]:"") . "","/^$/i",false,7);
all that is currently functional is:
$WAFV_Errors = "";
$WAFV_Errors .= WAValidateRQ(((isset($_POST["Contact_Name"]))?$_POST["Contact_Name"]:"") . "",true,1);
$WAFV_Errors .= WAValidateRX(((isset($_POST["addblock"]))?$_POST["addblock"]:"") . "","/^$/i",false,6);
Removing the other lines should allow the form to send, but as only the 'name' field is being validated, without adding validations to more of your fields and having catcha enabled, you can expect to end up receiving quite a few emails advertising suspect pharmaceuticals.
I would have thought your best bet was to start with a clean Contact Form Solution Pack 'contactus.php' page, and then add fields as described in the Inserting Additional form fields to your Contact Form 'how to' pdf.
