I have a potential client, But he has a few queries and i would appreciate if some one could take a few minutes of time to answer these :-

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1) There are 50 executives who wanted the calendar sharing across all the domains, Is this possible ?

2) In the Zimbra Desktop it is not asking User name & Password. Whether it is possible to do in open source?

3) Storage of 1 month is not possible for the zimbra desktop users? is it possible ?

4) Briefcase, Calendar sharing has to work ?

5) Apple & Blackberry users calendar sharing can they work on open source ?

6) Address book need this to be listed Domain wise for the end users ?

7) What is the Work flow on Zimbra ?

8) Common calendar sharing using Apple ?

9) Out of office reply whether it will be in Zimbra or any other software ?

10) Admin panel for differnet admin team ?

11) User Logs how to monitor & work ?

12) integrated third party spamming solution with zimbra ?
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Please ignore the language of the client and any one word or one liner's would do for this.

Highly appreciate any one replying to my query asap.

Thank you once again.