Does anyone know how to configure the iPhone 5 so that I can send emails from my Microsoft Outlook account?
Not enough information.
You may want to start with http://support.apple.com/kb/HT1277
The linked technote gives an excellent starting point. If not enough, holler back and specify where you got stuck.
I currently have 3 fully working email accounts on the iGadget: an Apple iCloud, a Google mail and a plain vanilla IMAP on a regular Unix box at the office.
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