Radio Free Europe/Radio Liberty: Russian Internet firm concerned over Tajik blockadeBy Radio Free Europe/Radio Liberty. Published July 29, 2014 at 5:22 pm The Russian Internet company mail.ru has expressed concern over the ongoing blockade of its social-media site in Tajikistan. Photo by habrahabr.ruThe Russian Internet company mail.ru has expressed concern over the ongoing blockade of its social-media site in Tajikistan. Read the story here.