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<?php
$to = "[email protected]";         // Email recipient
$subject = "Parameter Mail";         // Email subject
$message = "Hello! This is the email content.";  // Email body
$from = "[email protected]";     // Email sender
$headers = "From:" . $from;           // Header settings
mail($to,$subject,$message,$headers);
echo "Email sent";
?>

<html>
<head>
<meta charset="utf-8">
<title>tutorialpro.org(tutorialpro.org)</title>
</head>
<body>

<?php
if (isset($_REQUEST['email'])) { // If email parameter is received, send the email
    // Send email
    $email = $_REQUEST['email'] ;
    $subject = $_REQUEST['subject'] ;
    $message = $_REQUEST['message'] ;
    mail("[email protected]", $subject, $message, "From:" . $email);
    echo "Email sent successfully";
} else { // If no email parameter, display the form
    echo "<form method='post' action='mailform.php'>
    Email: <input name='email' type='text'><br>
    Subject: <input name='subject' type='text'><br>
    Message:<br>
    <textarea name='message' rows='15' cols='40'>
    </textarea><br>
    <input type='submit'>
    </form>";
}
?>

</body>
</html>