[SLL] Citadel & Outlook Calendaring

[Bill Campbell]

On Thu, Jan 10, 2008, Chris Fischer wrote:
>Matt Beland wrote:
>>On Jan 10, 2008, at 7:29 AM, Eric Kahklen wrote:
>>>Is anyone currently using the Citadel **Mail Server in production?  
>>>Also, has anyone found a way to get collaborative calendaring working 
>>>with Citadel?  Their website says it will be supported in the 
>>>future.  I am really hoping to migrate off of Exchange vs. "upgrade" 
>>>to the next version in the next few months.
>>
>>I don't know about Citadel, but the best I've found at this point is 
>>the Zimbra collaborative server. It's not perfect, but it comes a lot 
>>closer than any of the others so far, and it has an Exchange connector 
>>to allow Windows users to transition relatively easily.
>>
>What parts are less than perfect? I ask because I'm starting to look at 
>Zimbra for a client of mine. Also, what version are you running?

We have Zimbra running at of our client's sites on CentOS 4.5.
The biggest issues I see are (a) it takes over a major part of
the system (e.g. apache, openldap, amavisd, spamassassin, clamav,
...), and Zimbra isn't too good about keeping the versions current. 

I think we have better solutions for general e-mail filtering and
delivery, but if one just has to have the Exchange functionallity, 
Zimbra seems to be a good solution.  Personally I would prefer to
have the Zimbra machine sitting behind a firewall, and process
incoming mail through another machine where I have control of
things like clamav, then passing clean mail through to the Zimbra
machine.

Bill
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