Attempting to send email to test@example.com...
<br />
<b>Warning</b>:  mail(): Failed to connect to mailserver at &quot;localhost&quot; port 25, verify your &quot;SMTP&quot; and &quot;smtp_port&quot; setting in php.ini or use ini_set() in <b>D:\xampp\htdocs\test_mail.php</b> on line <b>9</b><br />
Result: mail() returned FALSE. Email sending failed.
Note: On XAMPP, you usually need to configure sendmail in php.ini or use a library like PHPMailer for SMTP.