Hi there,

Thanks for contacting us. Sorry for the inconvenience. Will you please provide me the Joomla administrator access to check the issue? I will check & get back to you soon. 

-Thanks

Sure

I have checked form builder and it works fine.

https://prnt.sc/22b2ap8

It works on your link but the form included in the contact page doesn't.

I'll see to rebuild my form, maybe it will work

Maybe your settings missing. You can check test page. Thanks

I deleted and re-added the Email Headers and now it works like a charm. Thanks.

Glad to know that your problem has been solved. Thanks

Will you please spend some to write a review about our product and support quality? 

https://extensions.joomla.org/extension/sp-page-builder/

I already did on Nov. 4th ;)

Thank you so much :)