<?php
    $name = $_POST['name'];
    $email = $_POST['email'];
    $message = $_POST['message'];
    $from = 'From: yoursite.com';
    $to = '[email protected]';
    $subject = 'Customer Inquiry';
    $body = "From: $name\n E-Mail: $email\n Message:\n $message";

    if ($_POST['submit']) {
        if (mail ($to, $subject, $body, $from)) {
            echo '<p>Your message has been sent!</p>';
        } else {
            echo '<p>Something went wrong, go back and try again!</p>';
        }
    }
?>

我尝试创建一个简单的邮件表单。表单本身在我的 index.html 页面上，但它提交到一个单独的“感谢您的提交”页面， thankyou.php 上面的 PHP 代码嵌入其中。代码提交完美，但从未发送电子邮件。我该如何解决这个问题？