"Wow. I had no idea when I stumbled across Microsoft's internal
positioning against Zimbra just how little Microsoft feels there is
to recommend its Exchange 2007 software against Zimbra. I'm not
exaggerating. The best Microsoft can come up with to slam Zimbra
falls into three buckets:
"Zimbra is a small company.
"Zimbra doesn't integrate as tightly with Microsoft technology
as Microsoft's Exchange does.
"Zimbra only offers Exchange-to-Zimbra migration..."
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