Everything would be web-based and handled in Tiki-Clearos-Zarafa. Here is live use: http://tiki.org/forum26
Is there a moderation feature in Zarafa? (mail needs manual approval before going to one or many). Ideally, we could put in a folder and it gets sent to all (or something like this). If a message is suspected of being spam, it could be manually approved by someone before being sent to all.
How to get a Free/Busy feature working?
Todo
Check if latest versions have an improved server-side filter interface: It would be nice to propose a filter based on a message. This is really useful for mailing lists. If it doesn't exist, log a feature request and add a link below. See also: https://github.com/thsmi/sieve/blob/master/README.md
Wishlist for Zarafa
A "send to archive button" in desktop client, webmail and mobile (ActiveSync)
Deduplication: Sometimes, we receive a mail twice because it is personally addressed to us, and because we are part of a mailing list or alias. Why keep both?
2014-09-26 WebApp 1.5-44025 & ZCP 7.1.10-44973 In the webmail, when I reply to a message that has signal quotes, they disappear in my reply étant ce qu'il est becomes étant ce quil est. I use compose in plain text.