Clean Your Mailing Lists / More Free Resources / By Jodi We regularly do this for our printed mailings — these folks are the best. If you want to get your list cleaned, or get profiled leads, check them out. Info USA [NOTE: We do NOT recommend that you purchase “cold” email lists to market with. It almost never works as well as you hope, and only gets you marked as a spammer. Use these folks for MAILING list services.]