Auxilium_Server.Program.SendEmail C# (CSharp) Метод

        static bool SendEmail(string email, string username, string authCode = "", byte authType = 1)
        {
            try
            {
                bool isNull = string.IsNullOrWhiteSpace(authCode);
                if (isNull)
                    authCode = GenerateAuthCode(email);

                MySqlCommand q = new MySqlCommand("SELECT Count(*) FROM authcodes WHERE User=@User AND AuthType=" + authType, SQL);
                q.Parameters.AddWithValue("@User", username);

                MySqlDataReader r = q.ExecuteReader();
                bool noAuth = r.Read() && r.GetInt16(0) == 0;
                r.Close();

                if (noAuth && isNull)
                {
                    q.CommandText = "INSERT INTO authcodes VALUES (@AuthType,@Value,@User);";
                    q.Parameters.AddWithValue("@AuthType", authType);
                    q.Parameters.AddWithValue("@Value", authCode);
                    q.ExecuteNonQuery();
                }

                MailAddress from = new MailAddress(EmailUsername, "Auxilium");

                MailMessage mail = new MailMessage
                {
                    From = from,
                    Subject = "Registration code for Auxilium",
                    Body = "Your registration code for auxilium is: " + authCode
                };
                mail.To.Add(email);

                EmailClient.Credentials = new NetworkCredential(from.Address, EmailPassword);
                EmailClient.SendAsync(mail, null);

                return true;
            } catch {
                return false;
            }
        }