Go to the candidate's profile, then click on the pencil icon to edit the candidate profile.
Once you click on the pencil icon, you get an option to choose a list of email addresses for this candidate. You can choose a primary email address to use when engaging the cnadidate.
Once you choose the email to engage with, click on update. You will notice that the chosen email address will be the default and will be bolded. For example, let’s say I want to choose “[email protected]” from the list of email addresses.