Last I checked in June, Zimbra, Yahoo’s open-source e-mail and calendar software, was at 11 million paid mailboxes. This was a healthy jump from 8 million paid mailboxes in May 2007 and the 4 million paid mailboxes TechCrunch reported back in October 2006.
Well, on Monday The VAR Guy reported there are 20 million paid . . . → Read More: Zimbra hits 20 million paid mailboxes
