Email Spider 3.1
mail spider is a good software for social marketing(facebook,twitter,etc),email marketing,seo marketing.It can help you got lots of emails by your keywords.
see how this email spider works: http://www.email-key.com/public/how-email-spider-works.aspx
see install guide: http://www.email-key.com/public/email-spider-install-guide.aspx