(Visual Basic 6.0) Process Bounced Email in IMAP

Reads an IMAP mailbox and determines which emails are bounces.

Chilkat ActiveX Downloads ActiveX for 32-bit and 64-bit Windows

' This example assumes the Chilkat API to have been previously unlocked.
' See Global Unlock Sample for sample code.

Dim imap As New ChilkatImap
Dim bounce As New ChilkatBounce

' Connect to an IMAP server.
' Use TLS
imap.Ssl = 1
imap.Port = 993
Dim success As Long
success = imap.Connect("imap.someMailServer.com")
If (success <> 1) Then
    Debug.Print imap.LastErrorText
    Exit Sub
End If

' Login
success = imap.Login("admin@chilkatsoft.com","myPassword")
If (success <> 1) Then
    Debug.Print imap.LastErrorText
    Exit Sub
End If

' Select an IMAP mailbox
success = imap.SelectMailbox("INBOX.bounceSamples")
If (success <> 1) Then
    Debug.Print imap.LastErrorText
    Exit Sub
End If

Dim messageSet As MessageSet
' We can choose to fetch UIDs or sequence numbers.
Dim fetchUids As Long
fetchUids = 1
' Get the message IDs of all the emails in the mailbox
Set messageSet = imap.Search("ALL",fetchUids)
If (imap.LastMethodSuccess = 0) Then
    Debug.Print imap.LastErrorText
    Exit Sub
End If

' Fetch the emails into a bundle object:
Dim bundle As ChilkatEmailBundle
Set bundle = imap.FetchBundle(messageSet)
If (imap.LastMethodSuccess = 0) Then

    Debug.Print imap.LastErrorText
    Exit Sub
End If

' Loop over the bundle and display the FROM and SUBJECT of each.
Dim i As Long
i = 0
Dim numEmails As Long
numEmails = bundle.MessageCount
Do While i < numEmails
    Dim email As ChilkatEmail
    Set email = bundle.GetEmail(i)

    success = bounce.ExamineEmail(email)

    Debug.Print "Subject: " & email.Subject
    Debug.Print "Bounce Type = " & bounce.BounceType & ", email address = " & bounce.BounceAddress

    i = i + 1
Loop

' Disconnect from the IMAP server.
success = imap.Disconnect()