In case I didn't make myself fully clear, this web site is specifically
designed for classroom exchange. It's a really neat set-up, allowing the
teacher to sign her classroom on, have their kids receive e-mail from abroad
(filtered through you if you wish), automatic translation services, etc.!
It's very well done - here's a blurb:
<<ePALS is the world's largest online classroom community, connecting over
2.6 million students and teachers through 34,216 profiles. Members from over
65,000 classrooms in 182 countries use our free online collaborative