Free email sources:

I have used all of these-
www.lavabit.com { pop mail}
www.excite.com {web mail}
www.netzero.net {webmail}

and some more I found- haven't checked em out though

http://www.mail.com/Product.aspx
http://www.hushmail.com/
http://www.hotpop.com/index.jsp
http://www.bluebottle.com/
http://www.safe-mail.net/

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