@ssd the below is a positive message if it's not the below with some possible edits as this is from March it's likelya scam (personal info edited)
NHS COVID-19 Notification: Dear Scottishski
Birth date mid 30s
Test date: 25 March 2021
Your coronavirus test result is positive. It means it's likely you had the virus when the test was done.
You must self-isolate immediately for 10 days.
This includes the day your symptoms started (or the test date if you've no symptoms) and the next 9 full days.
People you live with must also self-isolate for 10 days at the same time as you. If the people you live with get symptoms, they must self-isolate from the day their symptoms started and for the next 9 full days.
Care home residents must self-isolate for 14 days.
For a child or staff at school or nursery, tell the school/nursery.
For medical help, contact 111. In an emergency dial 999.
More advice: gov.scot/coronavirus