I've had this problem with a few companies over the years. In gmail it was possible to add a rule to auto-trash all email from that company. I'm guessing other

I've had this problem with a few companies over the years. In gmail it was possible to add a rule to auto-trash all email from that company. I'm guessing other email software has a similar feature. Frustrating I couldn't get them to stop sending them but at least I no longer see the emails.