GOLDILOCKS DELIVERY RECEIPTS CODE

I also found different workaround using ASPNETMX, you can find Licence-key, Code example and Dll on that site class Program Return int.Parse(ResponseString.Substring(0, 3)) Public static int GetResponseCode(string ResponseString) Private static byte BytesFromString(string str) If (GetResponseCode(ResponseString) = 550)Ĭonsole.Write('Mai Address Does not Exist !') Ĭonsole.Write('Original Error from Smtp Server :' + ResponseString) ĭataBuffer = BytesFromString('QUITE' + CRLF) * Read Response of the RCPT TO Message to know from google if it exist or not */ĭataBuffer = BytesFromString('RCPT TO:' + CRLF) NetStream.Write(dataBuffer, 0, dataBuffer.Length) ĭataBuffer = BytesFromString('MAIL FROM:' + CRLF) * Perform HELO to SMTP Server and get Response */ĭataBuffer = BytesFromString('HELO Shreya' + CRLF) StreamReader reader = new StreamReader(netStream) NetworkStream netStream = tClient.GetStream() TcpClient tClient = new TcpClient('gmail-smtp-in.l.', 25) So i didn't found the answer for this particular scenario but found some different workarounds class Program Can someone please help me to explain how can I achieve this scenario. On output I am getting success even though the from email is wrong. Mail.DeliveryNotificationOptions = DeliveryNotificationOptions.OnSuccess ('Disposition-Notification-To', emailToAddress) Smtp.Credentials = new NetworkCredential(emailFromAddress, password) Using (SmtpClient smtp = new SmtpClient(smtpAddress, portNumber)) (new Attachment('D:\TestFile.txt')) //-Uncomment this to send any attachment Mail.From = new MailAddress(emailFromAddress) Using (MailMessage mail = new MailMessage()) Static string body = 'Hello, This is Email sending test using gmail.' Static string emailToAddress = //Receiver Email Address

GOLDILOCKS DELIVERY RECEIPTS PASSWORD

Static string password = 'password' //Sender Password Static string emailFromAddress = //Sender Email Address I want to get the delivery notification after sending a mail whether is was success or failure, on google I got to know about DeliveryNotificationOptions, but when i tried to create one poc to check this I am not getting proper answer.

Goldilocks delivery receipts