public void OkCommand(object ownerWindow)
        {
            MailProviderFactory emailFactory = null;

            switch (_selectedReceiveConfiguration.Protocol)
            {
            case EmailProtocolType.Imap:
                emailFactory = new ImapProviderFactory();
                break;

            case EmailProtocolType.Pop3:
                emailFactory = new Pop3ProviderFactory();
                break;

            default:
                break;
            }

            MailConnection connection = emailFactory.CreateConnection();

            connection.Host = _selectedReceiveConfiguration.Host;
            connection.IsSslAuthentication = _selectedReceiveConfiguration.IsSslAuthentication;
            connection.Port = _selectedReceiveConfiguration.Port;
            ////connection.Open();
            SslMailConnectionDecorator sslMailConnectionDecorator = new SslMailConnectionDecorator();

            sslMailConnectionDecorator.MailConnection = connection;
            sslMailConnectionDecorator.Open();
            MailClient client = emailFactory.CreateClient();

            client.Authenticate(new MailUserInfo()
            {
                Email = _login, Password = _securePassword
            });

            new MainWindow()
            {
                DataContext = new MainWindowVM(client)
            }.Show();
            ((Window)ownerWindow).Close();
        }