I am currently playing with Kolab. I can't get kmail to read or grab my
emails. but thunderbird works a treat. I am also trailing a outlook
plugin called toltec connector it's US$13 a pop. The only problem that I
have so far is that you have to create mail folders under the inbox
rather than your account, to me that looks messy.
Another project tied to KDE is Kolab. The majority of which appers to be
heavily under development.
Information can be found here
http://kolab.org/
http://dot.kde.org/1092468813/
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