.net - How to know if Email failed to reach its receivers -

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After

I am sending the email using the following utility class if receiver foo@foo.com does not exist or email to him Never reach for one reason or another, I want my application to be notified.

This only works when smtp customer failed to connect to the SMTP server, I am an exception in this case; otherwise, the only way is by checking the client account to the email client To know if unsuccessful to reach.

EmailUtil Public Stable Class {/// & lt; Summary & gt; /// string is empty or empty, if exception of fire goes /// & lt; / Summary & gt; /// & lt; Param name = "param" & gt; Absolute value & lt; / Param & gt; /// & lt; Param name = "paramName" & gt; The parameter name shown in the exception message & lt; / Param & gt; Private static void CheckStringParam (string parameter string ParamName) {if (String.IsNullOrEmpty (parameters)) (paramName String.Format ( "{0} can not be null or empty")) {throw new ArgumentException; }} Public static void SendEmail (EmailArgument emailArg) {CheckStringParam (emailArg.FromEmail, "emailArg.FromEmail"); CheckstringParam (EmailArg. Shoes, "EmailArg. Shabez"); Check ProcessingParam (Email Order Body, "Email Ag. Body"); String body = email erg Body; MailMessage Mail Message = New MailMessage (); MailMsg.From = New MailAddress (emailArg.FromEmail); Foreach (string recipient in emailArg.ToEmails) {if (String.IsNullOrEmpty (recipient)) {New ArgumentException throw ("one of the values ​​in emailArg.ToEmails array is empty or empty"); } MailMsg.To.Add (new mail address (recipient)); } MailMsg.IsBodyHtml = emailArg.IsHtml; If (emailArg.PutHtmlTags) {body = String.Format ("{0}" + body + "{1}", " gt; body

Note that if you add a header to the message that you want you want, you can get an email back (like I said - possibly later on) from some SMTP server Delivery failed in kind

Positive Acceptance The message that was received, the customer can be configured or the instructions can not be sent.


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