public MailGroup[] GetGroups(string domainName)
{
List <MailGroup> groups = new List <MailGroup>();
Tree config = AMSHelper.GetUsersConfig();
AmsMailbox[] amsGroups = AmsMailbox.GetMailGroups(config, domainName);
foreach (AmsMailbox amsGroup in amsGroups)
{
groups.Add(amsGroup.ToMailGroup());
}
return(groups.ToArray());
}