This is a form of GDPR email I haven’t seen before (and I’ve seen a lot):
With new data protection rules known as GDPR (General Data Protection Regulation) effective 25th May 2018, we are reaching out to existing customers to notify them that RCP Parking Ltd will be unsubscribing all existing customers from our promotional communications.
…
RCP Parking Ltd has determined that previously subscribed customers were not subscribed in a manner compliant with the new GDPR regulation.
Refreshingly honest.