SPF compliant .net system.net.mail .mailmessage

As a follow up to my post SPF compliant CDO message, here is the equivalent (well, not quite, but similar) vb.net version that I use –

Public Sub Send(ByVal strTo As String, ByVal strFrom As String, _
   ByVal strSender As String, ByVal strCC As String, _
   ByVal strBCC As String, ByVal strSubject As String, _
   ByVal strBody As String)

Dim MailObj As New System.Net.Mail.MailMessage(strFrom, _
   strTo, strSubject, strBody)

'SPF Stuff
If Not String.IsNullOrEmpty(strSender) And strSender <> strFrom Then
   MailObj.Headers.Add("return-path", strSender)
   MailObj.Headers.Add("reply-to", strFrom)
   MailObj.Sender = New Net.Mail.MailAddress(strSender)
End If

If Not strCC = String.Empty Then
   For Each cc As String In strCC.Split(";")
      MailObj.CC.Add(cc)
   Next
End If

If Not strBCC = String.Empty Then
   For Each bcc As String In strBCC.Split(";")
      MailObj.Bcc.Add(bcc)
   Next
End If

Dim MailClient As New System.Net.Mail.SmtpClient
MailClient.Host = "mailserver"
MailClient.Send(MailObj)

End Sub

Again, as before, this is generally useful for web generated emails (like send a friend forms etc.), simply specify the users address as strFrom and a generic local address (noreply@mydomain.com) as strSender.

I hope it proves useful.

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