I'm pretty new to Zimbra and I think to install Zimbra on my servers for my customers. I'm an ISP in France, but I'd like to do something specific with it as I have mainly some Mac customers. Is it possible to interface Zimbra with a WebDAV server so my users on Zimbra can also use with same login/pass a WebDAV space to put files and that space should also be avalaible throught HTTP. Idea is to develop something similar to .Mac service
Is it possible easily or way too complicated ? My knowledges of Zimbra are very limited for now so please explain clearly

Thanks for all