Taeyeon has started to communicate with fans through UFO again :) Read the translated version inside!
Ufotown.com is a website that fans can send emails to korean artists, and they will get back to you sometimes. However, you need to understand korean otherwise you wouldn't be able to read the posts.
Original source: http://soshified.com/forums/index.php?/topic/43488-ufo-taeyeon-sunny-hyoyeon-yuri-seohyun-051110-051210/#j_content
Credited to: SoshiStruck and Taengbear