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As mentioned last week on Google's blog, this fall the company will shut down a series of services, including Aardvark, Desktop, Notebook, Web Security (the original Postini technology) and others less well known. Jeff Reeves at Smart Money magazine has even suggested spinning off several divisions to give Google more focus, and giving employees an incentive for some of its far-out ideas.

Last December Google announced a new service from its Postini acquisition called Google Message Continuity. The service allows administrators to backup their on-premise Exchange servers to Gmail, so that in the event of an Exchange outage users can still access their e-mail. Today, Google announced the service is now available for Exchange 2010 servers as well.

Today Google announced a new service based on technology from its Postini acquisition: Google Message Continuity. "Google Message Continuity works by replicating email accounts hosted on Microsoft Exchange Servers in the cloud, using Gmail, Calendar and Contacts," according to Google's announcement. "If the Microsoft Exchange Server fails, or requires scheduled maintenance or downtime, all you have to do is log into Gmail and continue regular, up-to-date email communication through Google."

Google released some interesting data about the volume and types of attacks its spam detection software identified over the last quarter. According to Google, overall spam levels in the second quarter of 2009 were 53% higher than during the first quarter, and 6% higher than a year ago. Even though the total volume of spam dropped by 70% after the the takedown of the infamous McColo ISP, it only took four months for spam levels to get back to normal. Last month, 3FN, an other large ISP spam source was also shut down, but spam volume only dropped by about 30%, and chances are that the spam market will simply rebound within a few months, as new spammers get into the market.