private void buttonDeleteWhiteList_Click(object sender, EventArgs e)
{
hMailServer.GreyListingWhiteAddresses whiteAddresses = APICreator.GreylistingWhiteAddresses;
foreach (ListViewItem item in listWhitelistingRecords.SelectedItems)
{
int id = Convert.ToInt32(item.Tag);
whiteAddresses.DeleteByDBID(id);
}
Marshal.ReleaseComObject(whiteAddresses);
ListWhiteListAddresses();
}