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R.I.P. Exchange?

Over the years, many of Microsoft monopolies have been successfully attacked by open source: Linux on the server; Apache for Web servers; Firefox for Web browsers; and so on. The one exception, and it's a big one, is business e-mail. Exchange, with 65% of the market, owns business groupware and e-mail. Things are about to change.

Cisco is buying PostPath, and that is going to kick Exchange in the head. You see, it's an open-source based server program that doesn't just do e-mail and groupware, it actually has reverse-engineered Microsoft Exchange's protocols. Result: To someone sitting at a desk looking at your copy of Outlook, you won't be able to tell the difference.

Better still, since PostPath does this back in the server room without any need to install any programs on individual users' PCs, it's also really easy for IT staffers to roll it out. The only real difference? It will be cheaper, probably a good deal cheaper, than Microsoft Exchange's CAL (Client Access Licenses).

I like this idea. While I have years of experience as an enterprise e-mail administrator, I did my work before Exchange came along. Still, I have done some e-mail consulting with shops using Exchange. Oh, the pain! The agony! The miserable TCO (total cost of ownership)!

Of course, open-source groupware servers, like Scalix, Open-Xchange and Zimbra have been trying to replace Exchange for years. Some of them are quite good, but none, including PostPath, have really caught on. Things are going to be different now.

I can say that and feel very sure about it because this time it's Cisco, the network power house, that's behind an Exchange alternative. Cisco, ever since Microsoft started competing with them in VoIP (Voice over Internet Protocol) has had little love for Microsoft. With PostPath, combined with their VoIP offering and their Web conferencing service, WebEx, Cisco will have an extremely compelling alternative to Exchange.

In addition, I know many IT people who are passionately loyal to Cisco. If Cisco makes it, and they can dump Exchange at the same time, they are so there.

How compelling? I've already have heard from two Exchange administrators asking me when I think Cisco will roll out a combined offering? My answer, by the by, is the second quarter of 2009 at the earliest.

While Cisco is getting ready to smack Exchange around, there's another open-development that's spelling trouble for Exchange: OpenChange. This project, which is being created in partnership with Samba, is taking Exchange's protocols, which the European Union forced Microsoft to reveal, will enable any open-source groupware developer to create an Exchange/Outlook compatible server.

I think with Cisco and PostPath on one side and the developers building on OpenChange on the other, Exchange's days at the top of the business e-mail server heap are numbered. And, speaking for most of the Exchange administrators I have known, the day can't come soon enough.

What People Are Saying

Unified Communications

Cicso uses Exchange as a voice mail message store today. This could be a move to gain full control over the unified messaging environment, especially as it relates to VoIP.

Exchange killer....pffffffghh

Exchange may be vulnerable but there are too few real hardworking IT managers who want to change from this functional platform. If it's good enough why screw with it?

Absolutely correct

Copying Exchange will not work. That's why we decided the only option was to leapfrog Microsoft and unify all communications inside a single client (Unison Desktop) and server (Unison Server). It combines a PBX/telephony, e-mail, instant messaging, contacts, calendaring etc. in one system.

Today, Unison is targeted at SMBs up to 1000 seats, but we will expand upwards as we get established.

Microsoft Exchange + unified communications is still a compelling option for very large enterprises. For SMBs, it also offers far more features and productivity benefits than 'Exchange 2003 clones' like Zimbra and PostPath -- so all they can do is compete on price.

We believe that, by leapfrogging MS on both unified communications and on price, Unison will see traction among SMBs.

Competing against Exchange on price alone -- even if an offering had features like MAPI or RPC over HTTP -- would not be enough.

Rurik Bradbury
Unison Technologies

Not really.

The real problem is others try to copy exchange features and they take 3-4 years. By then Microsoft comes up with a new shiny version. and this goes on...

Just one thing...

RPC over HTTP anyone? PostPath doesn't have it = not an Exchange killer. Next!

Actually...

RPC over HTTP is in PostPath using a Java servlet.

Steven

Not almost there

PostPath and many others (Scalix, Zarafa, Zimbra, OpenXchange, Kerio) all aim to replace Exchange but they all have one fatal flaw -- they are clones of Exchange 2003, and Microsoft has already left behind basic email/groupware and moved on to unified communications with Exchange 2007.

None of these (mostly Linux-based) offerings above even has a strategy for UC, let alone a solution to sell today. Exchange 2007 has more server roles, including a UC server role, to enable interconnection with PBX and instant messaging systems.

That's why we created Unison unified communications as a full replacement for both Exchange and Outlook -- so we would not be hamstrung (like the solutions above) by a dependence on Outlook and always playing catchup to the next Exchange version.

I believe the world will rapidly move to unified communications, whether through Exchange or Lotus in large enterprises, or Unison in the SMB. I don't believe that the 'Exchange 2003 clones' will be able to get traction when companies can choose unified communications instead.

Rurik Bradbury
Unison Technologies

There

Cisco VoIP + PostPath + WebEx = Exchange 2007 Killer.

Steven

Almost there

Yes, PostPath is a drop-in-replacement but AFAIK it isn't entirely open source.

Another semi-open Exchange-exchanger is Zarafa, most parts are open besides the MAPI implementation - perhaps they'll open it - they don't know at the moment.

I'm hoping for OpenChange and Samba4. OpenChange has their Exchange-exchanger "half working" at the moment and they've implemented impressive stuff. But as with PostPath they lack GUI.

And as we know from history - the GUI makes the difference.

But hey - interesting times indeed :-)

Satire

Oh, come on. I realize your job is one of propagating editorial opinion to garner readership, but this article borders on satire.

(Apache Web Server attacking a Microsoft monopoly? Microsoft has been struggling to pull market share from Apache, the longtime market leader. http://play.tm/wire/click/303059)

This acquisition by Cisco will mean that PostPath will remain a viable competitor meeting some corporate requirements. It may even mean we will see improvements in scalability and features. I doubt it will even see the success of Yahoo!'s Zimbra Collaboration Suite, however. Exchange has a broader feature set currently.

I am curious where the 65% market share number comes from. Is that by server deployment? Mailbox count? Where is Lotus Notes/Domino in this conversation? They claim a 25% growth amount for this year (www.edbrill.com).

PS I know hundreds of Exchange administrators, implementers and MVPs. Clearly you don't speak for any of them.

Thank you.