If your email address is unknown to Episerver Personalization (i.e. it has not previously been tracked on the site), then we will not be able to serve any personalized recommendations.
To solve this, you can registers or log in a user account on the website or make a purchase. This will tie up any previous browsing and purchasing history on your device to the email address and allow personalized recommendations to be generated based on your behavior.
You should also check that the configuration of strategies and expressions for the campaign isn't too restrictive.