Yahoo Moves Forward With Zimbra 5.0 Suite

Zimbra is out today with the first major release of its open source based
Zimbra Collaboration (ZCS) solution since being acquired by
Yahoo last year
. Zimbra’s ZCS release also comes at a particularly
interesting time as Microsoft bids for ownership of Yahoo.

ZCS 5.0 extends the feature set of ZCS and also introduces integrations with
Yahoo products as Zimbra ramps up to compete against Microsoft Outlook and

“This is by far the largest release in terms of new features and technology
that Zimbra has ever put together,” said Scott
, a vice president of engineering at Yahoo and chief technology officer of its Zimbra group. “We’re exciting about completing the mobility story and making great progress on unified messaging with instant messaging.”

With ZCS 5.0, Zimbra’s solution is now available for wide array of mobile
devices including all BlackBerry units and even the Apple iPhone. Zimbra has
also included instant messaging integration with Yahoo Instant messenger as

ZCS 5.0 also has a few other integrations with Yahoo including one for Flickr images and one for Yahoo Search. Dietzen explained that overall Zimbra is trying to do a better job of mashing up with Yahoo properties.

Zimbra includes a collaboration server that handles the back end of e-mail,
calendaring and collaboration, and a browser-based AJAX client front end,
which runs on all major browsers. With the 5.0 release Zimbra is also hyping
its desktop client as well which will now officially hit its 1.0 Beta
release. Zimbra first began talking about the technology behind its desktop
client just under a year ago
. Dietzen noted that Zimbra is still looking
for some additional feedback before declaring the Desktop client 1.0 release

“This (Zimbra Desktop) is more about people that are curious about the
Zimbra user experience and the things that make your calendar and email
experience far more effective,” Dietzen explained. “We’ve dramatically
reduced barriers to getting people to easily try Zimbra.”

Now that it’s part of Yahoo, Zimbra’s technology will likely reach a far broader audience than the company could have achieved on its own. Dietzen noted that Yahoo’s plan for Zimbra is multifaceted and includes both the further integration of Yahoo properties into Zimbra as well as the further
integration of Zimbra into Yahoo.

“The current release of Yahoo’s consumer webmail is not derived from Zimbra
technology,” Dietzen said. “However you should have the expectation that
some Zimbra technology will be surfaced to ultimately enhance the Yahoo
community experience.”

Dietzen wouldn’t elaborate further on Zimbra for Yahoo Mail other than to
say that the Yahoo Mail community is thriving and currently satisfies its

“The most important rule is if we’re going to add in new tech and do no
harm,” Dietzen said.

With the move to Yahoo, Zimbra also changed its license from a Mozilla
public license plus attribution to a Yahoo Public License (YPL) which is an
open source style license providing open source code. ZCS is available in an
open source edition which is freely available and a Network version which is
a paid offering.

While Dietzen is enthusiastic about his relationship with his bosses at
Yahoo, he is decidedly tight lipped about any potential ownership change at
Yahoo with Microsoft’s bid.

“It would be inappropriate for me to comment,” Dietzen said. “I don’t have
any direct insight into this. From a Zimbra perspective we just have to look
after our business and our open source community and I’ll do everything to make sure it’s a healthy and successful community.”

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