Web giant has built the e-mail security and archiving features into two Google Apps products, which it will transition to customers next year.
Latest attempt to tweak Microsoft's Exchange business involves an e-mail backup solution that uses Google's Postini service.
Service was disrupted for a better portion of Tuesday on some portions of Google's Postini e-mail security service, with customers reporting significant delays in e-mail delivery.
At the search giant's e-mail security unit, globally distributed automated systems and Zero-Hour software keep spam and viruses out of inboxes.
Google and Postini execs say little about the $625 million acquisition, which is set to close in the third quarter.
Spammers get botnets back up as spam levels return to normal in March, four months after hosting company McColo was shut down, Google's Postini says.
Elinor Mills talks about how Google's e-mail security service unit handles as many as 3 billion message each day; Usenet.com ruling, a 'whittling down' of Betamax defense; and Bing's first month produces small share gain for Microsoft.
Google Apps Premier Edition now offers enhanced security and more storage.
The e-mail marriage makes sense:Postini adds vertical integration for Google's outsourced Gmail business.
Bloomberg reports that federal tax authorities are bringing increased scrutiny to a Google audit, looking at the way the Web giant transferred assets acquired in its YouTube, Postini, and DoubleClick acquisitions.