POPI ACT NOT ADHERED TO

I was shocked when when I arrived home from work a personal letter was pushed through my gate bars with no envelope....this was a letter from the sheriff and was eft just like that through my gate bars, my question is how can you guys do something like this without a envelope....so anyone could have had a look at that letter and put it back! This is absolutely unprofessional and you guys supposed to be using the POPI ACT which is protection of personal information. I'm am very shocked and dissatisfied with your services.