The document name you requested (/PhPMailer/test.php _
  &abs=andre@longri.de&name=MeinName&betr=Der Betreff&msg=Das ist die Massage) _
  could not be found on this server. However, we found documents with names _
  similar to the one you requested.

 Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As _
   System.EventArgs) Handles Button1.Click
 
        Dim ABS As String = "andre@longri.de"
        Dim Name As String = "MeinName"
        Dim Betreff As String = "Der Betreff"
        Dim msg As String = "Das ist die Massage"
 
        ' Übergabe der Daten an das PHP-Script
        ' URL ggf. anpassen!
        WebBrowser1.Navigate("http://www.********.de/PHPMailer/test.php" & _
                  "  &abs=" & ABS & _
                  "&name=" & Name & _
                  "&betr=" & Betreff & _
                  "&msg=" & msg)
    End Sub

__________________________________________________________________________
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Und Bier in Bug?s

May the source code be with you.