Also, assuming the site isn't brain-dead and invalidating the address, you can use email+site@gmail.com with any gmail or google apps address. That + is freque

Also, assuming the site isn't brain-dead and invalidating the address, you can use email+site@gmail.com with any gmail or google apps address. That + is frequently a cause of contention though, so I use a . (which was done via config when I ran my own mail server days gone by) and also have a catchall on google apps.