Spam Filter Configuration allows you to block the auto-creation of tickets for the messages received from specific email addresses, Facebook users, and Twitter users. This filtration is based upon keywords. No ticket will be created for the messages received from those email addresses, Facebok users, and Twitter users which contains any of the specified keywords.
Figure: Spam Filter Tab
You just have to enter the comma separated list of keywords in the provided text boxes and click "Save" button.
Figure: provided the list of spam keywords