UnitTest.SMTPSimulator.Send C# (CSharp) Method

        public bool Send(string sFrom, List<string> lstRecipients, string sSubject, string sBody)
        {
            if (!m_oSocket.Connect(_ipaddress, _port))
            return false;

             // Receive welcome message.
             string sData = m_oSocket.Receive();

             m_oSocket.Send("HELO 127.0.0.1\r\n");
             sData = m_oSocket.Receive();

             // User
             m_oSocket.Send("MAIL FROM:<" + sFrom + ">\r\n");
             sData = m_oSocket.Receive();

             string sCommaSeparatedRecipients = "";
             foreach (string sRecipient in lstRecipients)
             {
            m_oSocket.Send("RCPT TO:<" + sRecipient + ">\r\n");
            sData = m_oSocket.Receive();

            if (!sData.StartsWith("250"))
               return false;

            if (sCommaSeparatedRecipients.Length > 0)
               sCommaSeparatedRecipients += ", ";

            sCommaSeparatedRecipients += sRecipient;
             }

             // Select inbox
             m_oSocket.Send("DATA\r\n");
             sData = m_oSocket.Receive();

             if (sCommaSeparatedRecipients.Length > 5000)
            sCommaSeparatedRecipients = sCommaSeparatedRecipients.Substring(0, 5000);

             m_oSocket.Send("From: " + sFrom + "\r\n");
             m_oSocket.Send("To: " + sCommaSeparatedRecipients + "\r\n");
             m_oSocket.Send("Subject: " + sSubject + "\r\n");
             m_oSocket.Send("Date: " + Utilities.GetCurrentMIMEDateTime() + "\r\n");

             m_oSocket.Send("\r\n");

             // Send body

             m_oSocket.Send(sBody);

             m_oSocket.Send("\r\n");
             m_oSocket.Send(".\r\n");

             // Wait for OK.
             sData = m_oSocket.Receive();
             if (sData.Substring(0, 3) != "250")
            return false;

             // Quit again
             m_oSocket.Send("QUIT\r\n");
             sData = m_oSocket.Receive();

             m_oSocket.Disconnect();

             return true;
        }

        public static bool StaticSend(string sFrom, string recipient, string sSubject, string sBody)
        {
            List<string> messageRecipients = new List<string>();
             messageRecipients.Add(recipient);

             SMTPSimulator oSimulator = new SMTPSimulator();
             return oSimulator.Send(sFrom, messageRecipients, sSubject, sBody);
        }