if (mySendConfig == null) {
throw new IllegalStateException("No SendConfig for this message, cannot continue!");
}
myMessageRef.populateMessage(myMimeMessage, mySendConfig, mySubscriber, mySubscription);
ByteArrayOutputStream myByteArrayOutputStream = new ByteArrayOutputStream();
myMimeMessage.writeTo(myByteArrayOutputStream);
return webApiUtil.plainTextResult(myByteArrayOutputStream.toString("UTF-8"));