B4X Requires Chilkat v11.0.0+

Delete Email Individually (One at a time) from an IMAP Mailbox

Downloads email from an IMAP mailbox and deletes emails individually (one by one). B4X

Dim success As Boolean = False

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

Dim imap As ChilkatImap
imap.Initialize("imap")

'  Connect to an IMAP server.
'  Use TLS
imap.Ssl = True
imap.Port = 993
success = imap.Connect("imap.example.com")
If success = False Then
    Log(imap.LastErrorText)
    Return
End If


'  Login
success = imap.Login("myLogin", "myPassword")
If success = False Then
    Log(imap.LastErrorText)
    Return
End If


'  Select an IMAP mailbox
success = imap.SelectMailbox("Inbox")
If success = False Then
    Log(imap.LastErrorText)
    Return
End If


'  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
Dim messageSet As ChilkatMessageSet
messageSet.Initialize
success = imap.QueryMbx("ALL", fetchUids, messageSet)
If success = False Then
    Log(imap.LastErrorText)
    Return
End If


'  Fetch the emails into a bundle object:
Dim bundle As ChilkatEmailBundle
bundle.Initialize
Dim headersOnly As Boolean = False
success = imap.FetchMsgSet(headersOnly, messageSet, bundle)
If success = False Then
    Log(imap.LastErrorText)
    Return
End If


'  To mark a complete set of emails for deletion, call SetFlags:
success = imap.SetFlags(messageSet, "Deleted", 1)
If success = False Then
    Log(imap.LastErrorText)
    Return
End If


'  Messages can also be marked for deletion individually:
'  Loop over the bundle and mark each message for deletion.
Dim email As ChilkatEmail
email.Initialize
Dim i As Int = 0
Dim numEmails As Int = bundle.MessageCount
Do While i < numEmails
    bundle.EmailAt(i, email)

    Log(email.From)
    Log(email.Subject)

    '  To delete this email, set the "Deleted" flag to 1.
    '  The email is not actually deleted until Expunge or
    '  ExpungeAndClose is called.
    success = imap.SetMailFlag(email, "Deleted", 1)
    If success = False Then
        Log(imap.LastErrorText)
        Return
    End If


    Log("--")

    i = i + 1
Loop

success = imap.ExpungeAndClose
If success = False Then
    Log(imap.LastErrorText)
    Return
End If


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