mydish com/epixgift

I received a free offer from dish in the mail. I received a free offer from dish in the mail. I was instructed to enter mydish.com/epixgift as the search can't redeem it.
How do I add EPIX to my DISH subscription? EPIX, EPIX 2, and EPIX 3 are available to DISH subscribers as part of Blockbuster @Home or The EPIX Package.
I have received my AT&T bill combined with internet service, but NO CHARGES FOR MY DISH SERVICE for the past 3 months. I know AT&T disolved the 
Formats supported by the Chromecast SDK: image/jpeg image/pjpeg image/jpg … - Artem Russakovskii - Google+.
DISH Network offers thousands of video on demand titles. Video on Demand, sometimes called VOD, is accessed through our DVR receivers and offers both