MailSteward

With a single click on the Archive button, MailSteward will archive all of the email in all of your Apple Mail accounts into a database for easy retrieval. One click and MailSteward will go to work storing copies of all your email text, HTML, attachments, and raw source, into a relational database. MailSteward has a wealth of features for importing, tagging, saving, and exporting, including the ability to export your vital email information in a number of standard data formats.