Evolution
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Evolution provides integrated mail, addressbook and calendaring functionality. It connects to communications architectures such as Novell GroupWise and Microsoft Exchange.

Website: http://www.gnome.org/projects/evolution/
Documentation: http://www.gnome.org/projects/evolu...

Features

-  Intelligent Junk Mail Control: detects and filters spam out of your inbox.
-  vFolders: saved intelligent searches which can display groups of email according to user-specified criteria. Create vFolders to combine mail from different mail accounts into a single view, quickly view all mail from your boss (or a particular friend :) - and optionally include entire threads in the results.
-  Filters: organize your mail as it arrives or on request.

Evolution calendars
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Evolution appointment
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Evolution mail view
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To send a message Private area xml ?