newHeaders.addHeaderLine(headerLineBuffer.toString());
headerLineBuffer.delete(0, headerLineBuffer.length());
headerLineBuffer.append(" for <")
.append(((List) session.getState().get(SMTPSession.RCPT_LIST)).get(0).toString())
.append(">;");
newHeaders.addHeaderLine(headerLineBuffer.toString());
headerLineBuffer.delete(0, headerLineBuffer.length());
} else {
// Put the ; on the end of the 'by' line
headerLineBuffer.append(";");
newHeaders.addHeaderLine(headerLineBuffer.toString());