New user sign up doesn't work on self host server

I am trying to sign up a new user on my local running server. The system says “mail sent”. But nothing happened. Do I need to setup email account or something?

@tonychangcheng

After sign up, system creates new user. This newly created user has access type as website user.

By default, on user list filter is set for System User. Please check your User list by removing this default filter.