How can I reset Evolution?

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http://www.linuxquestions.org – I have moved location and I now have a satellite internet connection but my machine is still configured to run Evolution under the old settings. I cannot find how to change that (user password, incoming and outgoing mail etc). Can someone advise how to do this or point to suitable info? I tried to rename ~/evolution and ~/.evolution then log in again but it makes no difference. Thank you for your help (HowTos)