What is your email.
cual es tu correo electronico = what is your email-address You could simply give your email-address, or preface it with: 'Mi correo electronico es....' = 'My email-address is....'
It means, "Which (or what) is your e-mail [address]?"
it means what is your email address
Which is you're best friends email address?
Answering "http://wiki.answers.com/Q/What_kind_of_email_address_ends_in_es"
They are asking for your email address, you can answer by either giving it to them of refusing to do so.
What is your email.
Mi cuenta de correo (electrónico) es: ...
"Mi dirección de correo electrónico es..."
"Mi dirección es" in Spanish means "My address is." It is a phrase used to provide or inquire about someone's physical address.
ES at the end of a website, such as aepd.es indicates that the website is based in Spain.