private void _bRetrieveMessage_Click(object sender, EventArgs e)
        {
            // We instantiate the pop3 client.
            Pop3Client pop = new Pop3Client();

            try
            {
                this.AddLogEntry(string.Format("Connection to the pop 3 server : {0}", _tbPop3Server.Text));

                // We connect to the pop3 client
                pop.Connect(_tbPop3Server.Text);

                // We authenticate securly
                pop.Authenticate(_tbUserName.Text, _tbPassword.Text, SaslMechanism.CramMd5);

                if (pop.MessageCount > 0)
                {
                    //Retrive a message at a particulat index (index 1 in this sample)
                    ActiveUp.Net.Mail.Message message = pop.RetrieveMessageObject(1);

                    this.AddLogEntry(string.Format("Subject: {0} From :{1} Message Body {2}"
                                    , message.Subject, message.From.Email, message.BodyText));
                }

                else
                {
                    this.AddLogEntry("There is no message in this pop3 account");
                }
            }

            catch (Pop3Exception pexp)
            {
                this.AddLogEntry(string.Format("Pop3 Error: {0}", pexp.Message));
            }

            catch (Exception ex)
            {
                this.AddLogEntry(string.Format("Failed: {0}", ex.Message));
            }

            finally
            {
                if (pop.IsConnected)
                {
                    pop.Disconnect();
                }
            }
        }