ZenCart通过Contact Us接收垃圾邮件的过滤方案

// Send message zen_mail($send_to_name, $send_to_email, EMAIL_SUBJECT, $text_message, $name, $email_address, $html_msg,'contact_us');

// Send message if(!strstr(strtolower($_POST['enquiry']), '[url=')){
  zen_mail($send_to_name, $send_to_email, EMAIL_SUBJECT, $text_message, $name, $email_address, $html_msg,'contact_us');
}