How can I update notification email recipient addresses

How can I delete old emails of individuals that are no longer working here?

If you would like to update specific form notification emails, here is how to do so:

https://www.jotform.com/help/314-How-to-Properly-Add-Change-and-Test-a-New-Email-Recipient-Address

If you want to change the account email address and the default address applied to new notification emails, that can be updated from the account profile page:

https://www.jotform.com/myaccount/