Updated with Dharmaraj’s confirmation

Satish Dharmaraj, the co-founder of Yahoo-acquired email company Zimbra, will become a partner at Redpoint Ventures, according to Kara Swisher at BoomTown.

Dharmaraj joined Yahoo in 2007 after selling Zimbra to the ailing Internet giant for $350 million. He left in January of this year. At the time, we speculated that he would focus on angel investing or start a new company — speculation that can now be classified as “close but not quite,” apparently. Dharmaraj has already made angel investments in startups including simple blogging service Posterous and open source web meeting company Dimdim.

At Redpoint, he will focus on business software, enterprise technology, and infrastructure, Swisher says, citing unnamed sources. That’s only logical, given Dharmaraj’s background and a financial environmment that appears less supportive of consumer-facing, ad-driven startups. (We made “Productivity 2.0” one of the emerging tech trends that we discussed at our DEMObeat panels earlier this month.) Redpoint’s past enterprise investments include Documentum, Sybase, and, oh yeah, Zimbra.

I’ve emailed Dharmaraj for comment, and I’ll update if he replies.

Update: Dharmaraj emailed me to confirm Swisher’s story:

Yes – I can confirm the story is true. I think there are a lot of opportunities in SaaS, Cloud and Software Infrastructures and Open Source computing areas. These trends are very disruptive and are helping companies reduce their costs dramatically. I am very excited to be focusing on these areas as well as to be working with entrepreneurs and helping them with my experiences from building successful companies.

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