Daniel Naber, KDE developer and webmaster for the KMail website, announced that a bug has been discovered in KMail version < 184.108.40.206 which, after September 9, 2001, can cause corruption of your mail folders. Versions 220.127.116.11 and 18.104.22.168 will not corrupt the Mail folders but will display dates incorrectly. This all due to "the passage of one billion seconds since the beginning of the Unix epoch at 00:00 on 1 January 1970." [Ed: Hmmmmm, ...what?] Full details are here. The upshot: upgrade to KDE 2.1, already. And the release later today of KDE 2.1.1 should make it even more compelling.