Email List Management to compare remove duplicate

Do you have a bunch of different e-mail lists that you just wish you could sort through and remove duplicates? Or, do you want to make sure all the e-mail addresses are valid, such as making sure that they contain the at symbol? If you need to manage your e-mail lists, then this software is for you! Easily load up different e-mail lists into the software, and start cleaning your list! No need to manually go through y