Contact Forms stopped working properly migrating websites to server using PHP 8

I recently provisioned a new server and migrated several of my existing websites to the new server. The new server provides PHP 8.0 and above. The old server was running 7.4.

Several of the websites now have issues of not sending out notifications using Enfolds built in contact form.
As an example see website here https://bridgetbycinacounseling.com running the build below.
PHP 8.0
WordPress 6.5.5
Enfold Version: 5.6.9

The built in Enfold form is at page below:

I installed a 3rd party contact form, WP Forms at test page below, and this form works properly.

I did this to all of the websites that stopped working and all of the 3rd party contact forms work! Both WP Forms and Gravity Forms.
Which means there is nothing wrong with the website settings or settings on my server as far as the forms properly sending out notifications.

I prefer using Enfolds built in contact form as opposed to 3rd party plugins. If you have any insights or thoughts on what might be going on that would be great.