Gravity Forms Notifications not working after migration of website

I have several Gravity Forms in a WordPress website that I just migrated. However, after migrating, the configured notifications are not working. The data is posting correctly to MailChimp, and the GravityForm logs are showing that everything is correctly working with wp_mail(), but I'm not receiving the notifications. Since this should be sending through the local WordPress mail system, is there a configuration file/setting that I need to check to check the mail server? What other settings should I look at?