Email Change of Address Services
EmailChange.com, in a Spartan way, links old and new email addresses. Requests are automatically fulfilled.
Register your old and new address with Find mE-Mail, or find an updated email address by searching for the old.
At FreshAddress.com, you can search not only by old email address but also by name.
MailLocate.com Email Change of Address Directory
In a friendly, privacy-conscious and well-structured way, MailLocate.com links searches for old email addresses to current.
Register with your old and new addresses, and Return Path hands those who try to reach you via the old your new address (you can validate requests). If your old address is still functional, Return Path will even forward incoming mail automatically.