private String attachFooterToText(String content) throws MessagingException, IOException {
  StringBuilder builder=new StringBuilder(content);
  ensureTrailingCarriageReturn(content,builder);
  builder.append(getFooterText());
  return builder.toString();
}

private String attachFooterToText ( String content ) throws MessagingException , IOException { StringBuilder builder = new StringBuilder ( content ) ; ensureTrailingCarriageReturn ( content , builder ) ; builder . append ( getFooterText ( ) ) ; return builder . toString ( ) ; }
prepends the content of the mimepart as text to the existing footer
