It's sometimes a bit of a hassle, but I have to python script that generates and configures it for me.
And in some cases I fallback to <bricks-and-mortar-shop>@domain.com
Because that's much easier to spell out to a cashier.
After it's configured, my password manager stores the email too so that's not a problem
After it's configured, my password manager stores the email too so that's not a problem