SenseNet.Messaging.NotificationSender.ProcessMessage C# (CSharp) Method

        private static void ProcessMessage(Message message, DataHandler context)
        {
            if (String.IsNullOrEmpty(message.Address))
            {
                Debug.WriteLine("#Notification> Message is not sent and removed from the queue. Reason: Address is not provided. ");
                Logger.WriteWarning("Message is not sent. Reason: Address is not provided.");
                context.Messages.DeleteOnSubmit(message);
                return;
            }

            var retryCount = Configuration.RetryCount;
            while (true)
            {
                try
                {
                    SendMessage(message);
                    context.Messages.DeleteOnSubmit(message);
                    break;
                }
                catch (SmtpFailedRecipientException exception)
                {
                    SmtpStatusCode statusCode = exception.StatusCode;

                    if ((--retryCount != 0) &&
                        (statusCode == SmtpStatusCode.MailboxBusy || statusCode == SmtpStatusCode.MailboxUnavailable || statusCode == SmtpStatusCode.TransactionFailed))
                    {
                        Debug.WriteLine("#Notification SmtpFailedRecipientException RETRY> " + exception.Message + exception.StatusCode);
                        Logger.WriteException(exception);
                        Thread.Sleep(Configuration.RetryDelay);
                    }
                    else
                    {
                        context.Messages.DeleteOnSubmit(message);
                        Debug.WriteLine("#Notification SmtpFailedRecipientException> " + exception.Message + exception.StatusCode);
                        Debug.WriteLine("#Notification SmtpFailedRecipientException> Message is removed from the queue.");
                        Logger.WriteException(exception);
                        Logger.WriteWarning("Message is removed from queue.");
                        break;
                    }
                }
            }
        }