Yahoo?
I knew heard of Yahoo having something like that.
VMware is ramping up the rhetoric against Google Apps with today's launch of Zimbra 7, the latest iteration of the email and collaboration software the company picked up early last year from Yahoo! The Zimbra Collaboration Server, as the software is now called, is available for Canonical's Ubuntu, Red Hat's Enterprise Linux, …
"There are more than 40,000 registered users (up by 25 per cent) on the Zimbra community, and it is hard to say how many of them have downloaded the open source edition of Zimbra"
<puts hand up> I'm one - my home mail server uses Zimbra Open Source with the web interface. Makes it easy to create one-off email addresses.
Now if only I could sync my HTC Blackstone's calendar/contacts with it, I'd be a happy boy.