Normally, I find auto-replies highly annoying, but this one I liked. It's in Welsh:
-----Original Message----- From: <snip> Sent: Friday, April 20, 2001 1:49 PM To: <snip> Subject: <snip> Thank you for your e-mail. / Diolch am yr e-bost. I am away from Cardiff School of Biosciences until 23 April 20001. If you have an urgent message or query please e-mail <snip> on: <snip> who may be able to contact me. I shall attempt to reply to all e-mails as soon as possible on my return. 'Rwyf i ffwrdd o Ysgol Biowyddorau Caerdydd hyd Dydd Llun 23 Ebrill 2001. Os oes gennych neges neu gwestiwn brys yna anfonwch e-bost i <snip> ar: <snip> - mae yna bosiblrwydd y gall gysylltu a mi. Gwnaf fy ngorau i ateb eich e-bost cyn gynted a phosibl ar ol i mi ddychwelyd i Gaerdydd.