I'm afraid you can't do exactly the same.
Once the client is connected to the network it's in the pre-logon role. If you want to allow e-mail activation you need to allow it in the policies of this role, however, you can't set a time frame for this as far as I know (you can use time range in policies but it doesn't fit this need).
A similiar approach could be to use self-registration portal and sending an SMS to the user with username and password.