If you’re using other programs in Windows to send email, you may be getting an error because the program doesn’t know which email settings to use. Fortunately, this is a very easy fix if you’re using Outlook Express.

http://content.screencast.com/users/jschinker/folders/Default/media/845bb65f-a8dc-402b-a5ef-c66e938e3eff/bootstrap.swf

There’s also a larger version of this video available in case this one is too hard to read.