Hi please redirect or update http://lists.wikimedia.org.uk/
This server and domain isn't managed by the Wikimedia Foundation but by the UK chapter. To my knowledge they're not using our Phabricator for tracking requests such as this, so you should contact them separately. There is nothing we can do other than host their lists if they decide to move them to our mailing lists server.
When I try to send them an email I get a email saying this
Remote host said:
550 5.2.1 The email account that you tried to reach is disabled. f4si7888493igc.19 - gsmtp