Nospam
F30 GSA Email Verifier v.2012
FREE THIRTY DAYS 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.
Aloaha MailAndArchive v.6.0.62
Aloaha MailAndArchive is a great email archiving solution, email search engine and Nospamproxy which integrates into any existing mail infrastructure - be it MS Exchange or any other Mail Server.