private void StartMta()
{
// Check if there is already a thread running, if not start one to start proccessing the queue
if (_mta != null && _mta.IsAlive)
return;
_mta = new Thread(() =>
{
// Create an amazon ses client
// Retreive send rate
if (_ses == null)
{
_ses = AWSClientFactory.CreateAmazonSimpleEmailServiceClient(AwsAccessKey, AwsSecretKey);
// Try and get the sending quota from amazon
// This will fail if invalid credentials are provided
try
{
_quota = _ses.GetSendQuota(new GetSendQuotaRequest());
}
catch (Exception ex)
{
InternalLogger.Fatal("Error retreiving send quota from amazone: {0}", ex.Message);
return;
}
InternalLogger.Info("Amazon SES quota loaded, max send rate: {0} per second, 24 hour quota: {1}, sent in the last 24 hours: {2}", _quota.GetSendQuotaResult.MaxSendRate, _quota.GetSendQuotaResult.Max24HourSend, _quota.GetSendQuotaResult.SentLast24Hours);
}
while (true)
{
// Try and get a message from the queue
// will fail if there are no messages to send
Message message = null;
try
{
message = (Message)_queue.Dequeue();
}
catch (Exception ex)
{
InternalLogger.Error("Error dequeuing message: {0}", ex.Message);
return;
}
var request = new SendEmailRequest();
request.WithDestination(new Destination(To.Split(',').ToList()));
request.WithMessage(message);
request.WithSource(From);
try
{
var response = _ses.SendEmail(request);
var result = response.SendEmailResult;
InternalLogger.Debug("Amazon SES message sent, id: {0}", result.MessageId);
}
catch (Exception ex)
{
InternalLogger.Error("Error sending message: {0}", ex.Message);
}
// sleep for the required send rate quota
Thread.Sleep((int)(1000 / _quota.GetSendQuotaResult.MaxSendRate));
}
});
_mta.Start();
}
public AmazonWebServiceResponse ExecuteService(ValidationResult param, AmazonSimpleEmailService emailService) {
return emailService.GetSendQuota(new GetSendQuotaRequest());
}