# # Hack to block emails from some user who likes 'The Joker' --Andrew 2009-05-28
$wgHooks['EmailUser'][] = function ( &$to, &$from, &$subject, &$text ) {
	$blockedAddresses = [ 'the4joker@gmail.com', 'randomdude5555@gmail.com', 'siyang.li@yahoo.com', 'johnnywiki@gmail.com', 'wikifreedomfighter@googlemail.com' ];
	return !in_array( $from->address, $blockedAddresses );
};