String body = X509Utils.processTemplate(new File(folder, X509Utils.CERTS + File.separator + "mail.tmpl"), metadata);
if (StringUtils.isEmpty(body)) {
body = MessageFormat.format("Hi {0}\n\nHere is your client certificate bundle.\nInside the zip file are installation instructions.", user.getDisplayName());
}
mailing.content = body;
mailing.addAttachment(zip);
Message message = mail.createMessage(mailing);
mail.sendNow(message);
return true;