Can you e-mail fan mail to SM Entertainment?

[Jay]

I want to send encouraging letters to my favorite K-pop groups, SNSD, f(x), and EXO, but I don't know if my mom will let me mail them a hand written letter nor do I think with my limited know of the Korean language could I write one. I don't have a gift or anything to give them like a teddy bear just loving words so is there a way to e-mail SM the message or just pass it on some way they will definitely see it?
Thanks for reading!

[Sonia]

https://www.facebook.com/fx.smtown
F(X) facebook

http://fx.smtown.com/
F(X) official site

http://exo.smtown.com/intro
EXO
https://www.facebook.com/exom
https://www.facebook.com/exok

http://girlsgeneration.smtown.com/
SNSD
https://www.facebook.com/girlsgeneration