EntourageMail takes Entourage e-mail messages from a given folder and exports them into a vCard file called Email-folder.vcf. Since the application will only delete files for the folder currently being exported, you can easily export multiple folders to your iPod and update individual folders as required.
Each message includes the sender name and e-mail address, when it was sent and indicates if it has been read, forwarded, replied to, redirect or flagged (with the information only being displayed if it has). It will also indicate if the message has attachments.