Me dirijo a usted/ustedes a fin de/porque. I am writing to you in order to/because. El motivo de mi correo es. The reason for my email is. Me pongo en contacto con usted para/porque... I am contacting you to/because. Le escribo para/porque. I am writing to. As a Spanish student, it’s likely that you will, at some point, need to know how to write an email in Spanish. Be it for keeping in touch with an old friend, or something more formal (such as doing business with somebody), this post will cover the formal and informal aspects that you need to know about writing an email in Spanish..