What are the potential pitfalls of using "mailto:" in form actions for sending emails in PHP?

Potential pitfalls of using "mailto:" in form actions for sending emails in PHP include relying on the user's email client to handle the email sending process, which may not work consistently across different devices and browsers. A more reliable solution is to use a server-side script to send emails directly from the server, ensuring consistent delivery and avoiding potential security vulnerabilities. 

<?php
if ($_SERVER["REQUEST_METHOD"] == "POST") {
    $to = "recipient@example.com";
    $subject = "Subject of the email";
    $message = "Body of the email";
    $headers = "From: sender@example.com";

    if (mail($to, $subject, $message, $headers)) {
        echo "Email sent successfully.";
    } else {
        echo "Email sending failed.";
    }
}
?>

Keywords

mailto form actions sending emails PHP potential pitfalls

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