There are a few ways to add an enquiry form to a page.
To add a custom form to a page, click upon the page you want to add the form to, and then select the Options tab.
You will then see the specific things you can add regarding your custom form, as in this example below:
You can now create a completely customised enquiry form in drag and drop mode.
Customisation of the form will affect all enquiry forms within the page scope, so all blogs on a blog page, or all products enquiry boxes on a shopping catalogue.

On the left hand side of the blog Summary option, you will see the area to add your email address to create a form on a blog page. After entering the email address you want the form to go to, then edit the form via the Custom Enquiry Form button.