An email is currently circulating with an attached .PDF file containing a letter from McDonald's and a coupon for a free Premium Salad. The offer is not valid in this form, according to a recorded message on McDonald's customer service hotline (1-800-244-6227):

'Thank you for calling McDonald's to inquire about an electronic coupon you may have received for a McDonald's Premium Salad. We regret to let you know that this coupon has not been distributed or authorized by McDonald's Corporation. Unfortunately, the coupon has been circulating via email and it's important to know this is not a valid offer. We deeply regret any inconvenience this may have caused you.'