public static void SendMail(string recipient, string subject, string body)
        {
            try
            {
                Outlook.MailItem mailItem = (Outlook.MailItem)Connect.OutlookApplication.CreateItem(Outlook.OlItemType.olMailItem);
                mailItem.Subject = subject;
                mailItem.To = recipient;
                mailItem.Body = body;
                //mailItem.Importance = Outlook.OlImportance.olImportanceHigh;
                mailItem.Send();

                System.Windows.Forms.MessageBox.Show(mailItem.To + "\n" + mailItem.Subject);
            }
            catch (Exception e)
            {
                System.Windows.Forms.MessageBox.Show(e.Message);
            }
        }