SMTP mail sending failure ?

Question

my question is that i am sending email from my web app using smtp. but the problem is that when i am sending email to any user and if that email sending failed and return back to my inbox so how would i know in my program that this email was not send . reply soon Thanks ..

Faisal Ansari · Answer

is it necessary to include cradentials ? i mean with this its works very well ..

Kunal Vaishya · Answer

You Have not include Credentials of SMTP

Faisal Ansari · Answer

Public Function SendSMTP(ByVal strFrom As String ByVal strTo As String ByVal strSubject As String ByVal strBody As String ByVal strCC As String ByVal strCC2 As String ByVal strCC3 As String ByVal strAttachments As String) As Boolean 'Imports System.Net.Mail Dim insMail As New System.Net.Mail.MailMessage(New System.Net.Mail.MailAddress(strFrom) New System.Net.Mail.MailAddress(strTo)) With insMail .Subject = strSubject .Body = strBody .CC.Add(New System.Net.Mail.MailAddress(strCC)) If strCC2  Then .CC.Add(New System.Net.Mail.MailAddress(strCC2)) End If If strCC3  Then .CC.Add(New System.Net.Mail.MailAddress(strCC3)) End If If Not strAttachments.Equals(String.Empty) Then Dim strFile As String Dim strAttach() As String = strAttachments.Split(;c) For Each strFile In strAttach .Attachments.Add(New System.Net.Mail.Attachment(strFile.Trim())) Next End If End With Dim smtp As New System.Net.Mail.SmtpClient smtp.Host = smtp.gmail.com smtp.Port = 25 Try smtp.Send(insMail) smtp = Nothing Return True Catch ex As Exception Return True End Try End Function

Faisal Ansari · Answer

ok yes i can

Kunal Vaishya · Answer

Can you provide what are you doing in code .