Web-cyradm and Zimbra maybe?

[Per olof Ljungmark]

Leon Kolchinsky wrote:
> Hello All,
> 
> I'm using web-cyradm (mysql frontend for virt. domains+cyrus+postfix
> integration) for years and very happy with it.
> Now we need some implementation for shared calendars (let's say calendar
> solution for all our users).
> 
> What would you recommend?
> Web-cyradm and Zimbra integration? Anyone have any experience with it? How
> would you handle authentication issue?

We use Horde here with LDAP for domains+cyrus+postfix+calendars but it 
works equally well with SQL. Got excellent webmail interface as well as 
shared calendar support.

http://www.horde.org/

--per