Get a FREE Listserv T Shirt! Request the free t shirt and then you can enter their photo contest to win a $100 amazon gift card. To enter the contest, post the photo to the LISTSERV Facebook page with the hashtag #LISTSERV30. It can be a selfie, a group pic with friends, family, colleagues or pets. The photo that receives the most likes before the contest closes on May 30th, 2016, will win a $100 Amazon gift card.