You may invite people through email by using the invite system of Ticketbase. This feature is very helpful especially for private events.
Inviting people using Ticketbase
The Ticketbase invite system can be accessed on “Invite People”, under “Sales & Attendees”.
Click on “Send Email” to send invites.
A pop-up where you can compose your invite will appear. Click on “Send Invitations” to email invites.
Email invites can be tracked on the “Invitations” tab.