Creating a contact form block will allow you to embed a form for visitors to your site to email you.
In order to add a contact form block, click on the inserter icon.
You can also type /contact and hit enter in a new paragraph block to add one quickly.
Detailed instructions on adding blocks can be found here.
This is the email address that you want the email to be sent to.
The contact form block does not support previews in the editor. Preview the page or post by clicking the Preview button in the top right of the editor and then clicking Preview in New Tab.