About GSA Email Verifier: GSA Email Verifier verifies email addresses from mailing lists, Microsoft Outlook contacts, Windows address book and a lot of other formats to determine if they are still valid. The software allows you to clean up your contact and mailing lists by removing bad emails. Additionally it can remove all administrative addresses such as nospam(at) or support(at), to which you do not want to send emails. The ultimate mailing list management software. [more]