code: public AwsSesSendResult sendEmail(
        @Nonnull final String to,
        @Nonnull final String from,
        @Nonnull final String subject,
        @Nonnull final String body) {
      return proxy.sendEmail(to, from, subject, body);
    }
docs: Sends an email.
  
  @param to the email address to send the email to.
  @param from the email address to send the email from.
  @param subject the subject of the email.
  @param body the body text of the email.
  @return the result of the send.