Attachments.Me - We are working hard every day to improve email search. We started by allowing you to search across all of your accounts, and focused on attachments, as we feel that is what people are usually looking for when digg...
See More ing through their old emails. We open any attachments we can read and perform our search index magic on the contents, as well as the email surrounding the attachment. This way even if the email contents were sparse you still have a chance to find your old documents based on what the document itself was about. We have an iPhone app, and we are only just getting started.