Founded in 2005 by Rafael Laguna, Frank Hoberg & Martin Kauss, Open-Xchange AG — known as OX — is the world’s leading independent email provider offering Open Source Linux-based email & collaboration software to over 220 million users. The German-based company serves large telecommunications companies, Internet Service Providers (ISPs) & web hosting firms. Key customers & partners include major industry players like IONOS, GoDaddy, Comcast, Orange, Rackspace, NTT, Softbank & Vodafone. OX operates 3 additional offices in Germany, as well as international locations in the USA, Finland, Italy, Japan &
the Netherlands.

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