The messages page of SiteManager is accessible through the sidebar, as well as through the Access messages by clicking the small envelope icon at the top of the sidebar.
...
, or by clicking Home > Messages in the menu.
On this page, you can read and respond to messages sent that visitors submit through forms on your website’s formswebsite.
There These are a few different forms that will send to your website inboxthe forms from which the messages will originate:
Custom Design forms from /start-a-project
RSVPs from Event pages
Item Inquiries from Product Detail pages (if you have enabled Inquiries are turned on)
...