///Инициализация

protected override void OnInit(HttpApplication application)
        {
            if (application == null)
                throw new ArgumentNullException("application");

            //
            // Get the configuration section of this module.
            // If it's not there then there is nothing to initialize or do.
            // In this case, the module is as good as mute.
            //

            IDictionary config = (IDictionary) GetConfig();

            if (config == null)
                return;

            //
            // Extract the settings.
            //

            string mailRecipient = GetSetting(config, "to");
            string mailSender = GetSetting(config, "from", mailRecipient);
            string mailCopyRecipient = GetSetting(config, "cc", string.Empty);
            string mailSubjectFormat = GetSetting(config, "subject", string.Empty);
            MailPriority mailPriority = (MailPriority) Enum.Parse(typeof(MailPriority), GetSetting(config, "priority", MailPriority.Normal.ToString()), true);
            bool reportAsynchronously = Convert.ToBoolean(GetSetting(config, "async", bool.TrueString));
            string smtpServer = GetSetting(config, "smtpServer", string.Empty);
            int smtpPort = Convert.ToUInt16(GetSetting(config, "smtpPort", "0"), CultureInfo.InvariantCulture);
            string authUserName = GetSetting(config, "userName", string.Empty);
            string authPassword = GetSetting(config, "password", string.Empty);
            bool sendYsod = Convert.ToBoolean(GetSetting(config, "noYsod", bool.FalseString));
#if !NET_1_0 && !NET_1_1
            bool useSsl = Convert.ToBoolean(GetSetting(config, "useSsl", bool.FalseString));
#endif
            //
            // Hook into the Error event of the application.
            //

            application.Error += new EventHandler(OnError);
            ErrorSignal.Get(application).Raised += new ErrorSignalEventHandler(OnErrorSignaled);

            //
            // Finally, commit the state of the module if we got this far.
            // Anything beyond this point should not cause an exception.
            //

            _mailRecipient = mailRecipient;
            _mailSender = mailSender;
            _mailCopyRecipient = mailCopyRecipient;
            _mailSubjectFormat = mailSubjectFormat;
            _mailPriority = mailPriority;
            _reportAsynchronously = reportAsynchronously;
            _smtpServer = smtpServer;
            _smtpPort = smtpPort;
            _authUserName = authUserName;
            _authPassword = authPassword;
            _noYsod = sendYsod;
#if !NET_1_0 && !NET_1_1
            _useSsl = useSsl;
#endif
        }


//Посылка:
SmtpClient client = new SmtpClient();

            string host = SmtpServer ?? string.Empty;

            if (host.Length > 0)
            {
                client.Host = host;
                client.DeliveryMethod = SmtpDeliveryMethod.Network;
            }

            int port = SmtpPort;
            if (port > 0)
                client.Port = port;

            string userName = AuthUserName ?? string.Empty;
            string password = AuthPassword ?? string.Empty;

            if (userName.Length > 0 && password.Length > 0)
                client.Credentials = new NetworkCredential(userName, password);

            client.EnableSsl = UseSsl;

            client.Send(mail);