Thanks for taking the time to share this with us. If possible, could you let us know if you experience this issue on the desktop version of Mail too?
An error occurred while saving the commentbreahna burns commented
I feel exactly the same. It’s driving me crazy and I’m considering closing my account. It’s gotten so out of hand and I receive 20 or so spam emails(that I’ve marked as spam hundreds of times) and they all still end up in my inbox. There needs to be a way to block sender.