Unitymedia joined the Certified Senders Alliance (CSA) as official Internet Service Provider in August 2015.
Unitymedia is the largest cable network providers by turnover and one of the leading providers of media and communication services in North-Rhein Westphalia, Hesse and Baden-Württemberg. It has been a subsidiary of Liberty Global plc. since 2009 and has its headquarters in Cologne.
With one of the most modern and largest continuous cable networks in Europe, Unitymedia serves 12.7 million households and offers digital and analogue TV and radio services, telephone services, and internet connections of up to 200 Mbit/s. The trade journal Connect (8/2014) rated Unitymedia’s telephone and internet connections as “excellent”.
Unitymedia joined the CSA for several reasons. Increased Spam filtering possibilities cause lower operational cost and more satisfied users at the same time. In addition Unitymedia highy appreciates the basic idea of the CSA: The commitment of the senders to high quality e-mail sendings.