Is there any email site where you can email people from all countries?

i have a friend frm camp that lives in CZECH REPUBLIC and i want to email her

Is there any email site where you can email people from all countries?
i have a hotmail and i can email my friends in korea. i guess that that should work just fine. you might want to download an instant messenger it makes things go faster.
Reply:ahh yahoo?
Reply:So long as you have the proper email address. You should be able to email her even from Yahoo email.