A mobile-marketing company claimed Friday it would go out of business unless a federal judge orders T-Mobile to stop blocking its text-messaging service, the first case testing whether wireless providers can block text messages they don’t like. EZ Texting claims T-Mobile blocked the company from sending text messages for all of its clients after learning that legalmarijuanadispensary.com, an EZ Texting client, was using its service to send texts about legal medical marijuana dispensaries in California. “T-Mobile subjectively did not approve of one of the thousands of lawful businesses and non-profits served by EZ Texting,” according to New York federal lawsuit. The suit ...