"Open-Xchange is using Yahoo's acquisition of rival Zimbra last
year as an invitation to tackle the U.S. market with its
open-source server software for e-mail, calendars, and other
"'Now is the time. The vacuum has been created, and we feel the
suction,' said Rafael Laguna de la Vera, who took over as chief
executive in January. 'Yahoo is not a software company...Now, with
Microsoft (trying to acquire Yahoo), I think it's over for
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