By manually setting the validity of a prospects information it will make it easier to tell who will be more likely to receive an email or answer a phone call. You will be able to edit this information on the right panel of the prospects information.
By default, the prospect will show as no status:
You will be able to click on the circle next to the email or phone number and mark either as Valid (Green), Questionable (Yellow), Invalid (Red).
Questions or feedback? Get in touch through firstname.lastname@example.org.