Add Shortcode into contact form 7 mail

Please check my below code:
I want to send page title into mail body:

function post_title_shortcode(){
	return get_the_title();
} 
add_shortcode('post-Title','post_title_shortcode');

function my_special_mail_tag( $output, $name, $html ) {
	if ( 'post-Title' == $name )
		$output = do_shortcode( "[$name]" );
 
	return $output;
}
add_filter( 'wpcf7_special_mail_tags', 'my_special_mail_tag', 10, 3 );

The page I need help with: [log in to see the link]