Backing up your mail (cheap data backup)
Prior to installing sync software, prior to various software updates, prior to troubleshooting any problems with your email software, your techs may be, should be! recommending you backup your mail.
A free way to do this with Mail.app in Apple’s OS X 10.4 is here:
http://docs.info.apple.com/article.html?artnum=301239#mail
An almost free way to do it ($10), and do it automatically, scheduled, with Apple Mail as well as Entourage and Thunderbird, is here:
