Thunderbird 1.0 has landed
@ 2004/12/14Thunderbird 1.0 is Mozilla’s next generation e-mail client. Thunderbird makes emailing safer, faster, and easier than ever before with the industry’s best implementations of features such as intelligent spam filters, saved search folders, builtin RSS support, privacy protection and much more.
luckily have a 3rd backup which I run almost weekly
it's Outlook's PST format which truly and utterly sucks uke:. At previous work about 50% of all email issues were related to corrupt PST files