Fixed IPV6 regex https://git.ispconfig.org/ispconfig/ispconfig3/issues/4002

Pascal Dreissen

2016-07-05 fbfdc438eaf2a70d5fefda74c919edc76e82d0fd

1
ALTER TABLE `mail_user` ADD `disablesieve-filter` ENUM( 'y', 'n' ) NOT NULL DEFAULT 'n' AFTER `disablesieve`;