Classic ASP

Count the Report Parts in a multipart/report Email

Demonstrates the read-only Chilkat Email.NumReports property, which is the number of report parts in a multipart/report email. A part is counted as a report when its Content-Type is message/* (except message/rfc822) or text/rfc822-headers. Use GetReport to retrieve the body of each report part; indexes are zero-based. This example loads a report email and prints each report part.

Background: When a message can't be delivered, the mail system usually sends back a bounce known as a Delivery Status Notification (DSN). DSNs use the multipart/report structure, which bundles several parts: a human-readable explanation, a machine-readable message/delivery-status part describing exactly what happened (recipient, status code, failing server), and often the original message's headers. Reading these report parts lets a program automatically detect and process bounces.

Chilkat Classic ASP Downloads

Download Chilkat for Classic ASP

Classic ASP

<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
</head>
<body>
<%
success = 0

'  Demonstrates the read-only Email.NumReports property, which is the number of report
'  parts in a multipart/report email (for example, a Delivery Status Notification).
'  Use GetReport to retrieve the body of each report part.  Indexes are zero-based.

set email = Server.CreateObject("Chilkat.Email")

'  Load a multipart/report email (such as a bounce / DSN message).
success = email.LoadEml("qa_data/eml/dsn_bounce.eml")
If (success = 0) Then
    Response.Write "<pre>" & Server.HTMLEncode( email.LastErrorText) & "</pre>"
    Response.End
End If

n = email.NumReports
Response.Write "<pre>" & Server.HTMLEncode( "NumReports = " & n) & "</pre>"

For i = 0 To n - 1
    Response.Write "<pre>" & Server.HTMLEncode( "---- Report " & i & " ----") & "</pre>"
    Response.Write "<pre>" & Server.HTMLEncode( email.GetReport(i)) & "</pre>"
Next

%>
</body>
</html>