$mail->Host = 'mail.example.in';
$mail->Port = 25;
$mail->SMTPAuth = true;
$mail->Username = 'user@example.in';
$mail->Password = 'password';

$mail->setFrom("user@example.in" , "User");
$mail->addAddress('receiver@example.in', 'Receiver');
$mail->addBCC('anotheruser@somedomain.com', 'Another user');
$mail->AddReplyTo('user@example.in', 'User');

$mail->isHTML(true);

$mail->Subject = $subject;
$mail->Body    = $message;
if($mail->send())
    echo "Your request has been received. We will soon contact you.";
else echo "Unable to send your request. Please try again";

SMTP ERROR: Failed to connect to server: Connection timed out (110)
SMTP connect() failed. https://github.com/PHPMailer/PHPMailer/wiki/Troubleshooting