Alternatives to Exchange Server

[Travis Roy]

Dan Coutu wrote:

> I'm researching solutions that provide the functionality
> of MS Exchange but run on a Linux server. It must interoperate
> with Outlook and provide full Calendar capability (not
> just email capability.)
> 
> So far it looks like the products sold by Bynari fit the
> bill pretty well. Does anyone have experience with their
> software (or anything else that may also solve the problem?)
> 

Two words...

Good Luck. Most products out there that claim to be an exchange 
replacement either don't do calendars at all, do it through some weird 
iCal like subscription thing that doesn't give you all the features, or 
requires you to use some web frontend.