How do I direct all addresses that are not in my contact addresses to spam?

: How do I direct all addresses that are not in my contact addresses to spam?
I get unknown addresses in my inbox and I want them to go to spam. I want all addresses not listed in my contacts to go to spam.

Answers and Views:

Answer by queen of answers ♫
On your inbox page, upper right
Options> Mail/More Options> Spam

There is an option for that.
It will catch “most” of it