How can I configure a spam filter?

You can set a rule to automatically close tickets created in the inbox. You can use it to close spam tickets in advance or any other unnecessary tickets you can predict by keywords, contact form fields, URL from which the ticket was sent, and so on.

For example:Suppose we set a rule to close tickets (action="Change ticket status - Closed") that contain the word "test" in the body or title, so internal tickets we use will automatically be closed.