public bool ProcessEmail(string id, bool logEnabled = false)
{
EmailMessage message = provider.Get(id);
if (message != null && message.SendDate == null)
{
if (string.IsNullOrWhiteSpace(ConfigManager.Mail.AuthenticationEmail) ||
string.IsNullOrWhiteSpace(ConfigManager.Mail.AuthenticationPassword) ||
string.IsNullOrWhiteSpace(ConfigManager.Mail.FromEmail) ||
string.IsNullOrWhiteSpace(ConfigManager.Mail.SmtpServer))
{
if (logEnabled)
{
Logger.Error("Can't Send Mail, Credential Not Set", EmailServiceConstants.EmailComponent);
}
return(false);
}
SmtpClient client = new SmtpClient(ConfigManager.Mail.SmtpServer, ConfigManager.Mail.SmtpPort)
{
Credentials =
new NetworkCredential(ConfigManager.Mail.AuthenticationEmail,
ConfigManager.Mail.AuthenticationPassword),
EnableSsl = ConfigManager.Mail.EnableSsl
};
if (logEnabled)
{
Logger.Info(
"Sending an e-mail message to using the SMTP host {0}.".FormatString(ConfigManager.Mail.SmtpServer),
EmailServiceConstants.EmailComponent);
}
try
{
client.Send(message.ToMailMessage());
if (logEnabled)
{
Logger.Info(
"Successfully Send an e-mail message to using the SMTP host {0}.".FormatString(
ConfigManager.Mail.SmtpServer),
EmailServiceConstants.EmailComponent);
}
message.SendDate = DateTime.UtcNow;
this.TryToUpdateStatus(id, message);
return(true);
}
catch (SmtpFailedRecipientsException ex)
{
int retryCount = 0;
for (int i = 0; i < ex.InnerExceptions.Length;)
{
SmtpStatusCode status = ex.InnerExceptions[i].StatusCode;
var errorMessage = "Failed to deliver message to {0}".FormatString(
ex.InnerExceptions[i].FailedRecipient);
if (status == SmtpStatusCode.MailboxBusy || status == SmtpStatusCode.MailboxUnavailable)
{
if (logEnabled)
{
Logger.Warn(
"Delivery failed - retrying in 5 seconds.",
EmailServiceConstants.EmailComponent);
}
System.Threading.Thread.Sleep(5000);
try
{
client.Send(message.ToMailMessage());
i++;
retryCount = 0;
if (logEnabled)
{
Logger.Info(
"Successfully Send an e-mail message to using the SMTP host {0}.".FormatString(
ConfigManager.Mail.SmtpServer),
EmailServiceConstants.EmailComponent);
}
message.SendDate = DateTime.UtcNow;
this.TryToUpdateStatus(id, message);
return(true);
}
catch
{
if (retryCount >= 3)
{
retryCount = 0;
i++;
if (logEnabled)
{
Logger.Error(
errorMessage,
EmailServiceConstants.EmailComponent);
message.RetryAttempt++;
message.ErrorMessage += (errorMessage + Environment.NewLine);
this.TryToUpdateStatus(id, message);
}
}
else
{
retryCount++;
}
}
}
else
{
if (logEnabled)
{
Logger.Error(
errorMessage,
EmailServiceConstants.EmailComponent);
message.RetryAttempt++;
message.ErrorMessage += (errorMessage + Environment.NewLine);
this.TryToUpdateStatus(id, message);
}
}
}
}
catch (Exception ex)
{
message.RetryAttempt++;
message.ErrorMessage = (ex.GetExceptionMessage() + Environment.NewLine);
this.TryToUpdateStatus(id, message);
}
return(message.SendDate.HasValue || message.RetryAttempt > 5);
}
return(true);
}