public void Send(EmailMessage message)
{
try
{
SendInternal(message);
}
catch (Exception ex)
{
GlobalConfiguration.Configuration.Logger.Error(ex);
var sentFail = new SentFail();
sentFail.Message = ex.Message;
sentFail.Stack = ex.ToString();
sentFail.MessageId = message.MessageId;
sentFail.Recipients = message.Recipients;
sentFail.Subject = message.Subject;
var failQueueName = message.SentFailQueueName ?? GlobalConfiguration.Configuration.SentFailQueueName;
Bus.Send(failQueueName, sentFail);
}
}
private void SendInternal(EmailMessage message)
{
var mailMessage = (System.Net.Mail.MailMessage)message;
var htmlView = AlternateView.CreateAlternateViewFromString(message.Body, null, "text/html");
htmlView.TransferEncoding = System.Net.Mime.TransferEncoding.QuotedPrintable;
mailMessage.AlternateViews.Add(htmlView);
Exception sentFailException = null;
bool isCanceled = false;
string senderHost = null;
using (var sender = GlobalConfiguration.Configuration.SmtpClientFactory.Create(message.Recipients))
{
senderHost = sender.Host;
using (var mailSentEvent = new System.Threading.ManualResetEvent(false))
{
sender.SendCompleted += (s, arg) =>
{
if (arg.Error != null)
{
sentFailException = arg.Error;
}
if (arg.Cancelled)
{
isCanceled = true;
}
try
{
if (!mailSentEvent.SafeWaitHandle.IsClosed)
{
mailSentEvent.Set();
}
}
catch (Exception ex)
{
GlobalConfiguration.Configuration.Logger.Error(ex);
}
};
if (sender.DeliveryMethod == SmtpDeliveryMethod.SpecifiedPickupDirectory)
{
sender.EnableSsl = false;
}
try
{
GlobalConfiguration.Configuration.Logger.Debug($"try to message send to {message.Recipients.First().Address}");
sender.SendAsync(mailMessage, message);
GlobalConfiguration.Configuration.Logger.Debug($"message sent to {message.Recipients.First().Address}");
}
catch (Exception ex)
{
isCanceled = true;
mailSentEvent.Set();
GlobalConfiguration.Configuration.Logger.Error(ex);
}
if (!isCanceled)
{
var isSent = mailSentEvent.WaitOne(30 * 1000);
if (!isSent)
{
sender.SendAsyncCancel();
isCanceled = true;
}
else
{
var firstMail = mailMessage.To.FirstOrDefault();
if (firstMail != null)
{
GlobalConfiguration.Configuration.Logger.Debug("mail for {0} sent", firstMail.Address);
}
}
}
}
}
var sentFailQueueName = message.SentFailQueueName;
if (string.IsNullOrWhiteSpace(sentFailQueueName))
{
sentFailQueueName = GlobalConfiguration.Configuration.SentFailQueueName;
}
if (isCanceled)
{
var sentFail = new SentFail();
sentFail.Message = "Canceled";
sentFail.Stack = "Canceled";
sentFail.MessageId = message.MessageId;
sentFail.Recipients = message.Recipients;
sentFail.Subject = message.Subject;
Bus.Send(sentFailQueueName, sentFail);
GlobalConfiguration.Configuration.Logger.Warn("Email '{0}' sending was canceled", message.Subject);
}
else if (sentFailException != null)
{
var sentFail = new SentFail();
sentFail.Message = sentFailException.Message;
sentFail.Stack = sentFailException.ToString();
sentFail.MessageId = message.MessageId;
sentFail.Recipients = message.Recipients;
sentFail.Subject = message.Subject;
GlobalConfiguration.Configuration.Logger.Error(sentFailException);
Bus.Send(sentFailQueueName, sentFail);
}
else if (!message.DoNotTrack)
{
var sentMessage = new SentMessage();
sentMessage.Body = message.Body;
sentMessage.MessageId = message.MessageId;
sentMessage.Recipients = message.Recipients;
sentMessage.Subject = message.Subject;
sentMessage.SmtpInfo = senderHost;
sentMessage.Sender = message.Sender;
sentMessage.EntityId = message.EntityId;
sentMessage.EntityName = message.EntityName;
if (message.SenderAlias != null)
{
sentMessage.Sender = message.SenderAlias;
}
var queueName = message.SentMessageQueueName ?? GlobalConfiguration.Configuration.SentMessageQueueName;
if (message.SentMessage == null)
{
Bus.Send(queueName, sentMessage);
}
else
{
Bus.Send(queueName, message.SentMessage);
}
}
}