Open-Xchange, a maker of Web-based communication, collaboration and office productivity open-source software, has received $20 million in funding from United Internet, former Deutsche Bank COO Hermann
<img src="https://techcrunch.com/wp-content/uploads/2008/11/open-xchange.jpg" /><a href="http://www.open-xchange.com">Open-Xchange</a> has closed a Series B round of venture funding to the tune of $9