FWD 

Mailbuddies email forwarding software. Multiple filters, multiple mail accounts. It's like a 'virtual secretary' for email - this program will both save you time and improve your email efficiency.
email forwarding software mail management inbox cleaner program forward fwd mailing software scanner scanning address book

Advanced Maillist Verify 

AMV determines which of addresses in mailing list are dead. The program supports databases (ODBC SQL), TheBat, Eudora and Windows address books, Socks5 proxy protocol. Has open ActiveX/COM and CGI/ISAPI interfaces for developers.
verify email address mail list dead verifing validator delivery error verifying valid checker mailing list manager checking