<p>The BT Sport app closed on 12th October and has been replaced by discovery+. <a href="https://community.bt.com/t5/TNT-Sports-on-TV-Online-player/The-BT-Sport-app-is-closing-on-12th-October/td-p/2312034">Find out more about activating TNT Sports on the discovery+ app</a>.
Just an FYI for your IT department - you must have a misconfigured mail server, since the emails being sent to users are getting caught up by postfix's "reject_unknown_domain". You must have many users not receiving their emails.
reject: RCPT from outbound-dkim.eu.khoros-mail.com[22.214.171.124]: 450 4.1.8 <email@example.com>: Sender address rejected: Domain not found; from=<firstname.lastname@example.org> to=<****recepientemailaddresswashere****> proto=ESMTP helo=<outbound-dkim.eu.khoros-mail.com>