According the the apple website you can choose to block certain emails coming into your Inbox and have them moved straight to the trash by blocking a contact. Then in settings>mail>blocked sender options you can choose Move to bin or Leave in Inbox.
I have done the above and chose Move to bin yet I am still seeing blocked emails in my inbox. In fact at the top of the email is says "This message is from a sender in your blocked list"
Why don't these emails go directly to my trash?
I am using an iPhone XS with software version 13.3.1