code: public void setReplyTo(List<Address> addressList) {
          assertArgumentNotNull("addressList", addressList);
          saveReplyTo(addressList);
          try {
              message.setReplyTo(addressList.toArray(new Address[addressList.size()]));
          } catch (MessagingException e) {
              String msg = buildAddressSettingFailureMessage("reply-to", addressList);
              throw new SMailMessageSettingFailureException(msg, e);
          }
      }
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