(VB.NET) IMAP Delete Old Email (before a specified date)

Demonstrates how to delete email older than a particular date.

Chilkat .NET Downloads Chilkat .NET Framework Chilkat for .NET Core

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

Dim imap As New Chilkat.Imap

' Connect to an IMAP server.
' Use TLS
imap.Ssl = True
imap.Port = 993
' Use your IMAP server domain.  This example 
Dim success As Boolean = imap.Connect("my-imap-server-domain.com")
If (success <> True) Then
    Debug.WriteLine(imap.LastErrorText)
    Exit Sub
End If


' Login
success = imap.Login("myLogin","myPassword")
If (success <> True) Then
    Debug.WriteLine(imap.LastErrorText)
    Exit Sub
End If


' Select an IMAP mailbox
success = imap.SelectMailbox("Inbox")
If (success <> True) Then
    Debug.WriteLine(imap.LastErrorText)
    Exit Sub
End If


' Get message ID's for emails older than 1/1/2018
Dim messageSet As Chilkat.MessageSet
Dim fetchUids As Boolean = True
messageSet = imap.Search("SENTBEFORE 01-Jan-2018",fetchUids)
If (imap.LastMethodSuccess = False) Then
    Debug.WriteLine(imap.LastErrorText)
    Exit Sub
End If


' If desired, we can examine the Subject of each email to be deleted..
Dim i As Integer = 0
Dim count As Integer = messageSet.Count
While i < count
    Dim email As Chilkat.Email = imap.FetchSingleHeader(messageSet.GetId(i),True)
    If (imap.LastMethodSuccess = True) Then
        Debug.WriteLine(email.Subject)

    End If

    i = i + 1
End While

' Set the Deleted flag for each message:
success = imap.SetFlags(messageSet,"Deleted",1)
If (success <> True) Then
    Debug.WriteLine(imap.LastErrorText)

    Exit Sub
End If


' Expunge and close the mailbox.
success = imap.ExpungeAndClose()
If (success <> True) Then
    Debug.WriteLine(imap.LastErrorText)

    Exit Sub
End If


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