Being as polite as possible I would say yes please. When I sign up for a service I may only intend to try it out with the potential of using it long term. So if

Being as polite as possible I would say yes please. When I sign up for a service I may only intend to try it out with the potential of using it long term. So if my email address were incorrect, fixing it later would be something that mattered to me at that time. Perhaps this is not ideal for the service provider because then they cannot spam me but as this article points out I would just mark those emails as spam or filter in a modern inbox anyway.