Replacement for iMail?

[mattm]

Was wondering if any mail admins knew of a good replacement for iMail. My company wants to move to an open source *nix absed solution to replace exchange. Their main concern is having a calendaring system like Exchange offers for group scheduling. Has anyone had any experience with that? Thanks in advance.

[jimbo]

I've been anxiously waiting for the release of Open-Xchange as an open source (http://mirror.open-xchange.org/ox/EN/community/) replacement for MS Exchange. It's supposed to be released by the end of August. It's got a really nice web interface. Although it looks like there will be no Outlook connector released with the software, the closed source version does support Outlook. I guess someone will have to come up with an open source connector for Outlook and maybe someone can modify the Evolution Connector to support Open-Xchange. This seems to be the challenge with all of the available Exchange replacements, they need proprietary code to make connectors work with Outlook. But in the case of Open-Xchange the web interface is nice enough to use as an Outlook replacement.

I've checked out Open Groupware and have given up on that project. It is EXTREMELY difficult to install, and the web interface is poor. It works with Outlook (but you need to pay for their connector) and Evolution (via the open source Evolution Connector) but it seems to bring with it as many problems as it solves.

I hope Open-Xchange can get it right as this is a critical app that is holding back many companies from adopting Linux.

[kosmosik]

Novell had opensourced some SuSE groupware application (forgot name *FIXME*). it is yet not released but should be soon...