I use Webmail. and my (Most E-mail providers including Hot mail Yahoo and G-mail offer web access and many ISPs use one of them or have their own Web mail service)
That way the infectious spam never even sees my machine. IT's deleted at the host. Also I can use any device. Phone, tablet, computer, other computer (other computer, other computer, other computer, library computer. any device) to read my mail and not save it less I want to.
I once had to present a copy of a utility bill to rent a car
I used the Car Rental Agency (Enterprise) to access my E-mail and print out my phone bill.