With Automations you can send emails to anyone.
Select the trigger action that will be used to send the email. Possibly a status column that has an option “Sent”
Use “when a record meets a condition” and set it on the Status column to be Sent
Then on the next step submit an email
Get the addresses from where ever you have them in the table.
When the status is set to Submit Airtable will email the address in the Email column. There can be many separated by a comma.