public bool Save(Tree config) { if (!config.ChildNodes.Contains(nodeConfig)) { nodeConfig["file"] = string.Format(AMSHelper.MailListConfigFile, AmsMailbox.GetDomainName(maillistName), AmsMailbox.GetAccountName(maillistName)); config.ChildNodes.Add(nodeConfig); } return(AMSHelper.SetMailListsConfig(config) && AMSHelper.SetMailingListConfig(listConfig, maillistName)); }