successfully mail sent then mail id add in array php code example

Example: php mail

<?php
$to = $_POST['email'];
$subject = "Email Subject";

$message = 'Dear '.$_POST['name'].',<br>';
$message .= "We welcome you to be part of family<br><br>";
$message .= "Regards,<br>";

// Always set content-type when sending HTML email
$headers = "MIME-Version: 1.0" . "\r\n";
$headers .= "Content-type:text/html;charset=UTF-8" . "\r\n";

// More headers
$headers .= 'From: <enquiry@example.com>' . "\r\n";
$headers .= 'Cc: myboss@example.com' . "\r\n";

mail($to,$subject,$message,$headers);
?>