BT have introduced regulations in order to reduce fraudulent messaging and smishing attempts. Sender ID's pertaining to specific brands will be blocked by default and will require whitelisting in to enable, below is a list of these protected brands. If you are, or represent, one of these brands please register the relevant SID with us. We ask that an LOA (letter of authorisation) from the brand be presented to guarantee the provenance of the traffic.

Protected brand list