You can use the Communication Center to send emails to your registrants! This video will cover the following:
Creating an invitation
Creating a follow up
Communication Center reporting
Note: This feature costs $0.02 per email and will require a card on file to use.
Registrants: Number of e-mails that were sent in that campaign
Opens: The amount of people who viewed the e-mail
Total Clicks: The amount of clicks to links (it can be any link in the email)
Removal: How many people have unsubscribed from the account, via that campaign