Send email using Python on Google App Engine via Mail API

send_email.py

def send_email(form, to, name):
    recipient = "%s <%s>" % (name, to)
    subject = form.subject.data
    sender = "%s <%s>" % (form.name.data, users.get_current_user().email())
    body = form.body.data
    try:
        mail.send_mail(sender=sender, to=recipient, subject=subject, body=body)
        return True
    except:
        logging.error(traceback.extract_stack())
        return False