Well, I did a little of investigation of Maria Jamison and the phone number listed on the email and it seems legit. Here's the contact person info given on the email.
Maria Jamison
Group Publisher
Source Interlink Media - International Automotive Group
Super Street, Import Tuner, Modified, eurotuner.com, european car, Honda Tuning, Project Car
maria.jamison@sorc.com -- 949.705.3149