//ToDo Add await operators for async
public IEnumerable<SentMail> SendMail(IEnumerable<Message> mailMessages)
{
var output = new List<SentMail>();
// Modify this to suit your business case:
string mailUser = "******";
string mailUserPwd = "bdavis28";
SmtpClient client = new SmtpClient("mail.Bloggersonline.com");
client.Port = 587;
client.DeliveryMethod = SmtpDeliveryMethod.Network;
client.UseDefaultCredentials = true;
System.Net.NetworkCredential credentials = new System.Net.NetworkCredential(mailUser, mailUserPwd);
client.EnableSsl = false;
client.Credentials = credentials;
foreach (var msg in mailMessages)
{
var mail = new MailMessage(msg.User.Email.Trim(), msg.Recipient.Email.Trim());
mail.IsBodyHtml = true;
mail.Priority = MailPriority.High;
mail.DeliveryNotificationOptions = DeliveryNotificationOptions.OnSuccess;
mail.DeliveryNotificationOptions = DeliveryNotificationOptions.OnFailure;
mail.DeliveryNotificationOptions = DeliveryNotificationOptions.Delay;
mail.Headers.Add("Disposition-Notification-To", "*****@*****.**");
mail.Subject = msg.Subject;
mail.Body = msg.MessageBody;
try
{
// Set the method that is called back when the send operation ends.
client.SendCompleted += new SendCompletedEventHandler(SendCompletedCallback);
int userState = msg.Recipient.MailRecipientId;
client.SendAsync(mail, userState);
var sentMessage = new SentMail()
{
MailRecipientId = msg.Recipient.MailRecipientId,
SentToMail = msg.Recipient.Email,
SentFromMail = msg.User.Email,
SentDate = DateTime.Now,
Status = "Sent Successfully!"
};
output.Add(sentMessage);
//Break for 5 Secs before sending next email out
System.Threading.Thread.Sleep(5000);
//// Clean up.
//mail.Dispose();
}
catch (SmtpFailedRecipientsException ex)
{
for (int i = 0; i < ex.InnerExceptions.Length; i++)
{
SmtpStatusCode status = ex.InnerExceptions[i].StatusCode;
if (status == SmtpStatusCode.MailboxBusy ||
status == SmtpStatusCode.MailboxUnavailable)
{
int userState = msg.Recipient.MailRecipientId;
model.MailRecipientId = userState;
model.Status = ("Delivery failed - retrying in 5 seconds.");
System.Threading.Thread.Sleep(5000);
client.SendAsync(mail, userState);
}
else
{
//Console.WriteLine("Failed to deliver message to {0}",
// ex.InnerExceptions[i].FailedRecipient);
}
}
}
catch (SmtpException e)
{
throw e;
// Or, more likely, do some logging or something
//Console.WriteLine("Error: {0}", e.StatusCode);
//ToDo Add Error Report here
//http://msdn.microsoft.com/en-us/library/system.net.mail.smtpexception.aspx
}
finally
{
mail.Dispose();
}
} //End of For Each
return output;
}
private static void SendCompletedCallback(object sender, AsyncCompletedEventArgs e)
{
// Get the unique identifier for this asynchronous operation.
var model = new SentMail();
int token = (int)e.UserState;
if (e.Cancelled)
{
model.Status = ("Send Canceled" + token);
}
if (e.Error != null)
{
model.Status = ("Error:" + token + e.Error.ToString());
}
else
{
model.Status = ("Sent Successfully!");
}
mailSent = true;
}
