I have had Fastmail pull from Gmail for about 10 years just in case I need to log into a website I haven't logged into for ages. It just works. My gmail is aban

I have had Fastmail pull from Gmail for about 10 years just in case I need to log into a website I haven't logged into for ages. It just works. My gmail is abandoned save for the occasional password reset which flows through Gmail to Fastmail.