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(VB.NET UWP/WinRT) Process Bounced Email in IMAP

Reads an IMAP mailbox and determines which emails are bounces.

Chilkat Universal Windows Platform (UWP) / WinRT Downloads

Chilkat for the Universal Windows Platform (UWP)

Dim imap As New Chilkat.Imap
Dim bounce As New Chilkat.Bounce

Dim success As Boolean

'  Anything unlocks the component and begins a fully-functional 30-day trial.
success = imap.UnlockComponent("Anything for 30-day trial")
If (success <> True) Then
    Debug.WriteLine(imap.LastErrorText)
    Exit Sub
End If


success = bounce.UnlockComponent("Anything for 30-day trial")
If (success <> True) Then
    Debug.WriteLine(bounce.LastErrorText)
    Exit Sub
End If


'  Connect to an IMAP server.
'  Use TLS
imap.Ssl = True
imap.Port = 993
success = Await imap.ConnectAsync("imap.someMailServer.com")
If (success <> True) Then
    Debug.WriteLine(imap.LastErrorText)
    Exit Sub
End If


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


'  Select an IMAP mailbox
success = Await imap.SelectMailboxAsync("INBOX.bounceSamples")
If (success <> True) Then
    Debug.WriteLine(imap.LastErrorText)
    Exit Sub
End If



Dim messageSet As Chilkat.MessageSet
'  We can choose to fetch UIDs or sequence numbers.
Dim fetchUids As Boolean = True
'  Get the message IDs of all the emails in the mailbox
messageSet = Await imap.SearchAsync("ALL",fetchUids)
If (messageSet Is Nothing ) Then
    Debug.WriteLine(imap.LastErrorText)
    Exit Sub
End If


'  Fetch the emails into a bundle object:
Dim bundle As Chilkat.EmailBundle
bundle = Await imap.FetchBundleAsync(messageSet)
If (bundle Is Nothing ) Then

    Debug.WriteLine(imap.LastErrorText)
    Exit Sub
End If


'  Loop over the bundle and display the FROM and SUBJECT of each.
Dim i As Integer
For i = 0 To bundle.MessageCount - 1
    Dim email As Chilkat.Email
    email = bundle.GetEmail(i)

    success = bounce.ExamineEmail(email)

    Debug.WriteLine("Subject: " & email.Subject)
    Debug.WriteLine("Bounce Type = " & bounce.BounceType & ", email address = " & bounce.BounceAddress)


Next

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




 

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