If you need your welcome email resent, please send an email to firstname.lastname@example.org saying your domain, username, password, and that you would like your welcome email to be resent.
NOTE: The only thing you need your welcome email for is your site's IP address and name servers. If you have this, please do not request it again. Just go to http://www.rangehosting.us/static/gettingstarted.htm. This link contains all information on how to get started with your account at RangeHosting.us.