def METHOD_NAME(self):
    message = MIMEMultipart("alternative")
    message["To"] = self.receiver
    message["From"] = current_app.config[KEY_OO_SERVICE_EMAIL]
    message["Subject"] = self.subject
    message["Reply-To"] = current_app.config[KEY_OO_HELP_EMAIL]
    message.attach(MIMEText(self.body, FILE_TYPE_PLAIN))
    message.attach(MIMEText(self.html, FILE_TYPE_HTML))
    return message